Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq
* master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq:
[CPUFREQ] cpufreq_conservative: keep ignore_nice_load and freq_step values when reselected
[CPUFREQ] powernow: remove private for_each_cpu_mask()
[CPUFREQ] hotplug cpu fix for powernow-k8
[PATCH] cpufreq_ondemand: add range check
[PATCH] cpufreq_ondemand: keep ignore_nice_load value when it is reselected
[PATCH] cpufreq_ondemand: Warn if it cannot run due to too long transition latency
[PATCH] cpufreq_conservative: alternative initialise approach
[PATCH] cpufreq_conservative: make for_each_cpu() safe
[PATCH] cpufreq_conservative: alter default responsiveness
[PATCH] cpufreq_conservative: aligning of codebase with ondemand
diff --git a/CREDITS b/CREDITS
index 35850d8..0bf31ea 100644
--- a/CREDITS
+++ b/CREDITS
@@ -1127,8 +1127,10 @@
S: USA
N: Philip Gladstone
-E: philip@raptor.com
+E: philip@gladstonefamily.net
D: Kernel / timekeeping stuff
+S: Carlisle, MA 01741
+S: USA
N: Jan-Benedict Glaw
E: jbglaw@lug-owl.de
diff --git a/Documentation/DMA-mapping.txt b/Documentation/DMA-mapping.txt
index 6845574..ee4bb73 100644
--- a/Documentation/DMA-mapping.txt
+++ b/Documentation/DMA-mapping.txt
@@ -199,6 +199,8 @@
"mydev: 24-bit DMA addressing not available.\n");
goto ignore_this_device;
}
+[Better use DMA_24BIT_MASK instead of 0x00ffffff.
+See linux/include/dma-mapping.h for reference.]
When pci_set_dma_mask() is successful, and returns zero, the PCI layer
saves away this mask you have provided. The PCI layer will use this
diff --git a/Documentation/RCU/whatisRCU.txt b/Documentation/RCU/whatisRCU.txt
index b4ea51a..07cb93b 100644
--- a/Documentation/RCU/whatisRCU.txt
+++ b/Documentation/RCU/whatisRCU.txt
@@ -605,7 +605,7 @@
{
int cpu;
- for_each_cpu(cpu)
+ for_each_possible_cpu(cpu)
run_on(cpu);
}
diff --git a/Documentation/cpu-hotplug.txt b/Documentation/cpu-hotplug.txt
index 57a09f9..1bcf699 100644
--- a/Documentation/cpu-hotplug.txt
+++ b/Documentation/cpu-hotplug.txt
@@ -97,13 +97,13 @@
You really dont need to manipulate any of the system cpu maps. They should
be read-only for most use. When setting up per-cpu resources almost always use
-cpu_possible_map/for_each_cpu() to iterate.
+cpu_possible_map/for_each_possible_cpu() to iterate.
Never use anything other than cpumask_t to represent bitmap of CPUs.
#include <linux/cpumask.h>
-for_each_cpu - Iterate over cpu_possible_map
+for_each_possible_cpu - Iterate over cpu_possible_map
for_each_online_cpu - Iterate over cpu_online_map
for_each_present_cpu - Iterate over cpu_present_map
for_each_cpu_mask(x,mask) - Iterate over some random collection of cpu mask.
diff --git a/Documentation/cputopology.txt b/Documentation/cputopology.txt
index ff280e2..2b28e9e 100644
--- a/Documentation/cputopology.txt
+++ b/Documentation/cputopology.txt
@@ -1,5 +1,5 @@
-Export cpu topology info by sysfs. Items (attributes) are similar
+Export cpu topology info via sysfs. Items (attributes) are similar
to /proc/cpuinfo.
1) /sys/devices/system/cpu/cpuX/topology/physical_package_id:
@@ -12,7 +12,7 @@
represent the thread siblings to cpu X in the same physical package;
To implement it in an architecture-neutral way, a new source file,
-driver/base/topology.c, is to export the 5 attributes.
+drivers/base/topology.c, is to export the 4 attributes.
If one architecture wants to support this feature, it just needs to
implement 4 defines, typically in file include/asm-XXX/topology.h.
diff --git a/Documentation/filesystems/00-INDEX b/Documentation/filesystems/00-INDEX
index 74052d2..66fdc07 100644
--- a/Documentation/filesystems/00-INDEX
+++ b/Documentation/filesystems/00-INDEX
@@ -1,27 +1,47 @@
00-INDEX
- this file (info on some of the filesystems supported by linux).
+Exporting
+ - explanation of how to make filesystems exportable.
Locking
- info on locking rules as they pertain to Linux VFS.
adfs.txt
- info and mount options for the Acorn Advanced Disc Filing System.
+afs.txt
+ - info and examples for the distributed AFS (Andrew File System) fs.
affs.txt
- info and mount options for the Amiga Fast File System.
+automount-support.txt
+ - information about filesystem automount support.
+befs.txt
+ - information about the BeOS filesystem for Linux.
bfs.txt
- info for the SCO UnixWare Boot Filesystem (BFS).
cifs.txt
- - description of the CIFS filesystem
+ - description of the CIFS filesystem.
coda.txt
- description of the CODA filesystem.
configfs/
- directory containing configfs documentation and example code.
cramfs.txt
- - info on the cram filesystem for small storage (ROMs etc)
+ - info on the cram filesystem for small storage (ROMs etc).
+dentry-locking.txt
+ - info on the RCU-based dcache locking model.
devfs/
- directory containing devfs documentation.
+directory-locking
+ - info about the locking scheme used for directory operations.
dlmfs.txt
- info on the userspace interface to the OCFS2 DLM.
ext2.txt
- info, mount options and specifications for the Ext2 filesystem.
+ext3.txt
+ - info, mount options and specifications for the Ext3 filesystem.
+files.txt
+ - info on file management in the Linux kernel.
+fuse.txt
+ - info on the Filesystem in User SpacE including mount options.
+hfs.txt
+ - info on the Macintosh HFS Filesystem for Linux.
hpfs.txt
- info and mount options for the OS/2 HPFS.
isofs.txt
@@ -32,23 +52,43 @@
- info on Novell Netware(tm) filesystem using NCP protocol.
ntfs.txt
- info and mount options for the NTFS filesystem (Windows NT).
-proc.txt
- - info on Linux's /proc filesystem.
ocfs2.txt
- info and mount options for the OCFS2 clustered filesystem.
+porting
+ - various information on filesystem porting.
+proc.txt
+ - info on Linux's /proc filesystem.
+ramfs-rootfs-initramfs.txt
+ - info on the 'in memory' filesystems ramfs, rootfs and initramfs.
+reiser4.txt
+ - info on the Reiser4 filesystem based on dancing tree algorithms.
+relayfs.txt
+ - info on relayfs, for efficient streaming from kernel to user space.
romfs.txt
- - Description of the ROMFS filesystem.
+ - description of the ROMFS filesystem.
smbfs.txt
- - info on using filesystems with the SMB protocol (Windows 3.11 and NT)
+ - info on using filesystems with the SMB protocol (Win 3.11 and NT).
+spufs.txt
+ - info and mount options for the SPU filesystem used on Cell.
+sysfs-pci.txt
+ - info on accessing PCI device resources through sysfs.
+sysfs.txt
+ - info on sysfs, a ram-based filesystem for exporting kernel objects.
sysv-fs.txt
- info on the SystemV/V7/Xenix/Coherent filesystem.
+tmpfs.txt
+ - info on tmpfs, a filesystem that holds all files in virtual memory.
udf.txt
- info and mount options for the UDF filesystem.
ufs.txt
- info on the ufs filesystem.
+v9fs.txt
+ - v9fs is a Unix implementation of the Plan 9 9p remote fs protocol.
vfat.txt
- info on using the VFAT filesystem used in Windows NT and Windows 95
vfs.txt
- - Overview of the Virtual File System
+ - overview of the Virtual File System
xfs.txt
- info and mount options for the XFS filesystem.
+xip.txt
+ - info on execute-in-place for file mappings.
diff --git a/Documentation/ioctl-number.txt b/Documentation/ioctl-number.txt
index aa7ba00..171a44e 100644
--- a/Documentation/ioctl-number.txt
+++ b/Documentation/ioctl-number.txt
@@ -78,8 +78,6 @@
'#' 00-3F IEEE 1394 Subsystem Block for the entire subsystem
'1' 00-1F <linux/timepps.h> PPS kit from Ulrich Windl
<ftp://ftp.de.kernel.org/pub/linux/daemons/ntp/PPS/>
-'6' 00-10 <asm-i386/processor.h> Intel IA32 microcode update driver
- <mailto:tigran@veritas.com>
'8' all SNP8023 advanced NIC card
<mailto:mcr@solidum.com>
'A' 00-1F linux/apm_bios.h
diff --git a/Documentation/m68k/README.buddha b/Documentation/m68k/README.buddha
index bf802ff..ef484a7 100644
--- a/Documentation/m68k/README.buddha
+++ b/Documentation/m68k/README.buddha
@@ -29,7 +29,7 @@
$48, while it doesn't matter how often you're writing to $4a
as long as $48 is not touched. After $48 has been written,
the whole card disappears from $e8 and is mapped to the new
-address just written. Make shure $4a is written before $48,
+address just written. Make sure $4a is written before $48,
otherwise your chance is only 1:16 to find the board :-).
The local memory-map is even active when mapped to $e8:
diff --git a/Documentation/networking/ifenslave.c b/Documentation/networking/ifenslave.c
index 545447a..a120598 100644
--- a/Documentation/networking/ifenslave.c
+++ b/Documentation/networking/ifenslave.c
@@ -87,7 +87,7 @@
* would fail and generate an error message in the system log.
* - For opt_c: slave should not be set to the master's setting
* while it is running. It was already set during enslave. To
- * simplify things, it is now handeled separately.
+ * simplify things, it is now handled separately.
*
* - 2003/12/01 - Shmulik Hen <shmulik.hen at intel dot com>
* - Code cleanup and style changes
diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c
index 6b2921b..3859749 100644
--- a/arch/alpha/kernel/time.c
+++ b/arch/alpha/kernel/time.c
@@ -314,10 +314,11 @@
if (!est_cycle_freq)
est_cycle_freq = validate_cc_value(calibrate_cc_with_pit());
- cc1 = rpcc_after_update_in_progress();
+ cc1 = rpcc();
/* Calibrate CPU clock -- attempt #2. */
if (!est_cycle_freq) {
+ cc1 = rpcc_after_update_in_progress();
cc2 = rpcc_after_update_in_progress();
est_cycle_freq = validate_cc_value(cc2 - cc1);
cc1 = cc2;
diff --git a/arch/arm/lib/copy_template.S b/arch/arm/lib/copy_template.S
index 838e435..cab355c 100644
--- a/arch/arm/lib/copy_template.S
+++ b/arch/arm/lib/copy_template.S
@@ -236,7 +236,7 @@
/*
- * Abort preanble and completion macros.
+ * Abort preamble and completion macros.
* If a fixup handler is required then those macros must surround it.
* It is assumed that the fixup code will handle the private part of
* the exit macro.
diff --git a/arch/arm/mach-footbridge/time.c b/arch/arm/mach-footbridge/time.c
index 2c64a0b..5d02e95 100644
--- a/arch/arm/mach-footbridge/time.c
+++ b/arch/arm/mach-footbridge/time.c
@@ -34,27 +34,12 @@
static unsigned long __init get_isa_cmos_time(void)
{
unsigned int year, mon, day, hour, min, sec;
- int i;
// check to see if the RTC makes sense.....
if ((CMOS_READ(RTC_VALID) & RTC_VRT) == 0)
return mktime(1970, 1, 1, 0, 0, 0);
- /* The Linux interpretation of the CMOS clock register contents:
- * When the Update-In-Progress (UIP) flag goes from 1 to 0, the
- * RTC registers show the second which has precisely just started.
- * Let's hope other operating systems interpret the RTC the same way.
- */
- /* read RTC exactly on falling edge of update flag */
- for (i = 0 ; i < 1000000 ; i++) /* may take up to 1 second... */
- if (CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP)
- break;
-
- for (i = 0 ; i < 1000000 ; i++) /* must try at least 2.228 ms */
- if (!(CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP))
- break;
-
- do { /* Isn't this overkill ? UIP above should guarantee consistency */
+ do {
sec = CMOS_READ(RTC_SECONDS);
min = CMOS_READ(RTC_MINUTES);
hour = CMOS_READ(RTC_HOURS);
diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c
index 311b4e7..3b329af 100644
--- a/arch/i386/kernel/io_apic.c
+++ b/arch/i386/kernel/io_apic.c
@@ -381,7 +381,7 @@
unsigned long imbalance = 0;
cpumask_t allowed_mask, target_cpu_mask, tmp;
- for_each_cpu(i) {
+ for_each_possible_cpu(i) {
int package_index;
CPU_IRQ(i) = 0;
if (!cpu_online(i))
@@ -632,7 +632,7 @@
else
printk(KERN_ERR "balanced_irq_init: failed to spawn balanced_irq");
failed:
- for_each_cpu(i) {
+ for_each_possible_cpu(i) {
kfree(irq_cpu_data[i].irq_delta);
irq_cpu_data[i].irq_delta = NULL;
kfree(irq_cpu_data[i].last_irq);
diff --git a/arch/i386/kernel/microcode.c b/arch/i386/kernel/microcode.c
index dd780a0..e7c138f 100644
--- a/arch/i386/kernel/microcode.c
+++ b/arch/i386/kernel/microcode.c
@@ -459,26 +459,9 @@
return ret;
}
-static int microcode_ioctl (struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
-{
- switch (cmd) {
- /*
- * XXX: will be removed after microcode_ctl
- * is updated to ignore failure of this ioctl()
- */
- case MICROCODE_IOCFREE:
- return 0;
- default:
- return -EINVAL;
- }
- return -EINVAL;
-}
-
static struct file_operations microcode_fops = {
.owner = THIS_MODULE,
.write = microcode_write,
- .ioctl = microcode_ioctl,
.open = microcode_open,
};
diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c
index 9074818..d43b498 100644
--- a/arch/i386/kernel/nmi.c
+++ b/arch/i386/kernel/nmi.c
@@ -138,12 +138,12 @@
if (nmi_watchdog == NMI_LOCAL_APIC)
smp_call_function(nmi_cpu_busy, (void *)&endflag, 0, 0);
- for_each_cpu(cpu)
+ for_each_possible_cpu(cpu)
prev_nmi_count[cpu] = per_cpu(irq_stat, cpu).__nmi_count;
local_irq_enable();
mdelay((10*1000)/nmi_hz); // wait 10 ticks
- for_each_cpu(cpu) {
+ for_each_possible_cpu(cpu) {
#ifdef CONFIG_SMP
/* Check cpu_callin_map here because that is set
after the timer is started. */
@@ -510,7 +510,7 @@
* Just reset the alert counters, (other CPUs might be
* spinning on locks we hold):
*/
- for_each_cpu(i)
+ for_each_possible_cpu(i)
alert_counter[i] = 0;
/*
@@ -529,7 +529,8 @@
* always switch the stack NMI-atomically, it's safe to use
* smp_processor_id().
*/
- int sum, cpu = smp_processor_id();
+ unsigned int sum;
+ int cpu = smp_processor_id();
sum = per_cpu(irq_stat, cpu).apic_timer_irqs;
diff --git a/arch/i386/mach-voyager/voyager_smp.c b/arch/i386/mach-voyager/voyager_smp.c
index 8165626..70e560a 100644
--- a/arch/i386/mach-voyager/voyager_smp.c
+++ b/arch/i386/mach-voyager/voyager_smp.c
@@ -1700,7 +1700,7 @@
printk("VOYAGER SMP: CPU%d lost interrupt %d\n",
cpu, irq);
- for_each_cpu(real_cpu, mask) {
+ for_each_possible_cpu(real_cpu, mask) {
outb(VIC_CPU_MASQUERADE_ENABLE | real_cpu,
VIC_PROCESSOR_ID);
diff --git a/arch/i386/oprofile/nmi_int.c b/arch/i386/oprofile/nmi_int.c
index 1accce5..1a2076c 100644
--- a/arch/i386/oprofile/nmi_int.c
+++ b/arch/i386/oprofile/nmi_int.c
@@ -122,7 +122,7 @@
static void free_msrs(void)
{
int i;
- for_each_cpu(i) {
+ for_each_possible_cpu(i) {
kfree(cpu_msrs[i].counters);
cpu_msrs[i].counters = NULL;
kfree(cpu_msrs[i].controls);
diff --git a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
index c686d9c..5100261 100644
--- a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
+++ b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
@@ -93,19 +93,22 @@
static struct proc_dir_entry
*sn_procfs_create_entry(const char *name, struct proc_dir_entry *parent,
int (*openfunc)(struct inode *, struct file *),
- int (*releasefunc)(struct inode *, struct file *))
+ int (*releasefunc)(struct inode *, struct file *),
+ ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *))
{
struct proc_dir_entry *e = create_proc_entry(name, 0444, parent);
if (e) {
- e->proc_fops = (struct file_operations *)kmalloc(
- sizeof(struct file_operations), GFP_KERNEL);
- if (e->proc_fops) {
- memset(e->proc_fops, 0, sizeof(struct file_operations));
- e->proc_fops->open = openfunc;
- e->proc_fops->read = seq_read;
- e->proc_fops->llseek = seq_lseek;
- e->proc_fops->release = releasefunc;
+ struct file_operations *f;
+
+ f = kzalloc(sizeof(*f), GFP_KERNEL);
+ if (f) {
+ f->open = openfunc;
+ f->read = seq_read;
+ f->llseek = seq_lseek;
+ f->release = releasefunc;
+ f->write = write;
+ e->proc_fops = f;
}
}
@@ -119,31 +122,29 @@
void register_sn_procfs(void)
{
static struct proc_dir_entry *sgi_proc_dir = NULL;
- struct proc_dir_entry *e;
BUG_ON(sgi_proc_dir != NULL);
if (!(sgi_proc_dir = proc_mkdir("sgi_sn", NULL)))
return;
sn_procfs_create_entry("partition_id", sgi_proc_dir,
- partition_id_open, single_release);
+ partition_id_open, single_release, NULL);
sn_procfs_create_entry("system_serial_number", sgi_proc_dir,
- system_serial_number_open, single_release);
+ system_serial_number_open, single_release, NULL);
sn_procfs_create_entry("licenseID", sgi_proc_dir,
- licenseID_open, single_release);
+ licenseID_open, single_release, NULL);
- e = sn_procfs_create_entry("sn_force_interrupt", sgi_proc_dir,
- sn_force_interrupt_open, single_release);
- if (e)
- e->proc_fops->write = sn_force_interrupt_write_proc;
+ sn_procfs_create_entry("sn_force_interrupt", sgi_proc_dir,
+ sn_force_interrupt_open, single_release,
+ sn_force_interrupt_write_proc);
sn_procfs_create_entry("coherence_id", sgi_proc_dir,
- coherence_id_open, single_release);
+ coherence_id_open, single_release, NULL);
sn_procfs_create_entry("sn_topology", sgi_proc_dir,
- sn_topology_open, sn_topology_release);
+ sn_topology_open, sn_topology_release, NULL);
}
#endif /* CONFIG_PROC_FS */
diff --git a/arch/m68k/mvme16x/rtc.c b/arch/m68k/mvme16x/rtc.c
index a69fe30..b0e4c08 100644
--- a/arch/m68k/mvme16x/rtc.c
+++ b/arch/m68k/mvme16x/rtc.c
@@ -17,6 +17,7 @@
#include <linux/poll.h>
#include <linux/mc146818rtc.h> /* For struct rtc_time and ioctls, etc */
#include <linux/smp_lock.h>
+#include <linux/bcd.h>
#include <asm/mvme16xhw.h>
#include <asm/io.h>
@@ -31,9 +32,6 @@
* ioctls.
*/
-#define BCD2BIN(val) (((val)&15) + ((val)>>4)*10)
-#define BIN2BCD(val) ((((val)/10)<<4) + (val)%10)
-
static const unsigned char days_in_mo[] =
{0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
diff --git a/arch/mips/dec/time.c b/arch/mips/dec/time.c
index f17d337..74cb055 100644
--- a/arch/mips/dec/time.c
+++ b/arch/mips/dec/time.c
@@ -36,41 +36,13 @@
#include <asm/dec/ioasic_addrs.h>
#include <asm/dec/machtype.h>
-
-/*
- * Returns true if a clock update is in progress
- */
-static inline unsigned char dec_rtc_is_updating(void)
-{
- unsigned char uip;
- unsigned long flags;
-
- spin_lock_irqsave(&rtc_lock, flags);
- uip = (CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP);
- spin_unlock_irqrestore(&rtc_lock, flags);
- return uip;
-}
-
static unsigned long dec_rtc_get_time(void)
{
unsigned int year, mon, day, hour, min, sec, real_year;
- int i;
unsigned long flags;
- /* The Linux interpretation of the DS1287 clock register contents:
- * When the Update-In-Progress (UIP) flag goes from 1 to 0, the
- * RTC registers show the second which has precisely just started.
- * Let's hope other operating systems interpret the RTC the same way.
- */
- /* read RTC exactly on falling edge of update flag */
- for (i = 0; i < 1000000; i++) /* may take up to 1 second... */
- if (dec_rtc_is_updating())
- break;
- for (i = 0; i < 1000000; i++) /* must try at least 2.228 ms */
- if (!dec_rtc_is_updating())
- break;
spin_lock_irqsave(&rtc_lock, flags);
- /* Isn't this overkill? UIP above should guarantee consistency */
+
do {
sec = CMOS_READ(RTC_SECONDS);
min = CMOS_READ(RTC_MINUTES);
@@ -78,7 +50,16 @@
day = CMOS_READ(RTC_DAY_OF_MONTH);
mon = CMOS_READ(RTC_MONTH);
year = CMOS_READ(RTC_YEAR);
+ /*
+ * The PROM will reset the year to either '72 or '73.
+ * Therefore we store the real year separately, in one
+ * of unused BBU RAM locations.
+ */
+ real_year = CMOS_READ(RTC_DEC_YEAR);
} while (sec != CMOS_READ(RTC_SECONDS));
+
+ spin_unlock_irqrestore(&rtc_lock, flags);
+
if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
sec = BCD2BIN(sec);
min = BCD2BIN(min);
@@ -87,13 +68,7 @@
mon = BCD2BIN(mon);
year = BCD2BIN(year);
}
- /*
- * The PROM will reset the year to either '72 or '73.
- * Therefore we store the real year separately, in one
- * of unused BBU RAM locations.
- */
- real_year = CMOS_READ(RTC_DEC_YEAR);
- spin_unlock_irqrestore(&rtc_lock, flags);
+
year += real_year - 72 + 2000;
return mktime(year, mon, day, hour, min, sec);
diff --git a/arch/mips/momentum/ocelot_3/setup.c b/arch/mips/momentum/ocelot_3/setup.c
index 969612e..370e75d 100644
--- a/arch/mips/momentum/ocelot_3/setup.c
+++ b/arch/mips/momentum/ocelot_3/setup.c
@@ -58,6 +58,7 @@
#include <linux/bootmem.h>
#include <linux/mv643xx.h>
#include <linux/pm.h>
+#include <linux/bcd.h>
#include <asm/time.h>
#include <asm/page.h>
@@ -131,9 +132,6 @@
add_wired_entry(ENTRYLO(0xfc000000), ENTRYLO(0xfd000000), (signed)0xfc000000, PM_16M);
}
-#define CONV_BCD_TO_BIN(val) (((val) & 0xf) + (((val) >> 4) * 10))
-#define CONV_BIN_TO_BCD(val) (((val) % 10) + (((val) / 10) << 4))
-
unsigned long m48t37y_get_time(void)
{
unsigned int year, month, day, hour, min, sec;
@@ -143,16 +141,16 @@
/* stop the update */
rtc_base[0x7ff8] = 0x40;
- year = CONV_BCD_TO_BIN(rtc_base[0x7fff]);
- year += CONV_BCD_TO_BIN(rtc_base[0x7ff1]) * 100;
+ year = BCD2BIN(rtc_base[0x7fff]);
+ year += BCD2BIN(rtc_base[0x7ff1]) * 100;
- month = CONV_BCD_TO_BIN(rtc_base[0x7ffe]);
+ month = BCD2BIN(rtc_base[0x7ffe]);
- day = CONV_BCD_TO_BIN(rtc_base[0x7ffd]);
+ day = BCD2BIN(rtc_base[0x7ffd]);
- hour = CONV_BCD_TO_BIN(rtc_base[0x7ffb]);
- min = CONV_BCD_TO_BIN(rtc_base[0x7ffa]);
- sec = CONV_BCD_TO_BIN(rtc_base[0x7ff9]);
+ hour = BCD2BIN(rtc_base[0x7ffb]);
+ min = BCD2BIN(rtc_base[0x7ffa]);
+ sec = BCD2BIN(rtc_base[0x7ff9]);
/* start the update */
rtc_base[0x7ff8] = 0x00;
@@ -175,22 +173,22 @@
rtc_base[0x7ff8] = 0x80;
/* year */
- rtc_base[0x7fff] = CONV_BIN_TO_BCD(tm.tm_year % 100);
- rtc_base[0x7ff1] = CONV_BIN_TO_BCD(tm.tm_year / 100);
+ rtc_base[0x7fff] = BIN2BCD(tm.tm_year % 100);
+ rtc_base[0x7ff1] = BIN2BCD(tm.tm_year / 100);
/* month */
- rtc_base[0x7ffe] = CONV_BIN_TO_BCD(tm.tm_mon);
+ rtc_base[0x7ffe] = BIN2BCD(tm.tm_mon);
/* day */
- rtc_base[0x7ffd] = CONV_BIN_TO_BCD(tm.tm_mday);
+ rtc_base[0x7ffd] = BIN2BCD(tm.tm_mday);
/* hour/min/sec */
- rtc_base[0x7ffb] = CONV_BIN_TO_BCD(tm.tm_hour);
- rtc_base[0x7ffa] = CONV_BIN_TO_BCD(tm.tm_min);
- rtc_base[0x7ff9] = CONV_BIN_TO_BCD(tm.tm_sec);
+ rtc_base[0x7ffb] = BIN2BCD(tm.tm_hour);
+ rtc_base[0x7ffa] = BIN2BCD(tm.tm_min);
+ rtc_base[0x7ff9] = BIN2BCD(tm.tm_sec);
/* day of week -- not really used, but let's keep it up-to-date */
- rtc_base[0x7ffc] = CONV_BIN_TO_BCD(tm.tm_wday + 1);
+ rtc_base[0x7ffc] = BIN2BCD(tm.tm_wday + 1);
/* disable writing */
rtc_base[0x7ff8] = 0x00;
diff --git a/arch/mips/tx4938/common/rtc_rx5c348.c b/arch/mips/tx4938/common/rtc_rx5c348.c
index f74295f..07f782f 100644
--- a/arch/mips/tx4938/common/rtc_rx5c348.c
+++ b/arch/mips/tx4938/common/rtc_rx5c348.c
@@ -14,6 +14,7 @@
#include <linux/string.h>
#include <linux/rtc.h>
#include <linux/time.h>
+#include <linux/bcd.h>
#include <asm/time.h>
#include <asm/tx4938/spi.h>
@@ -77,17 +78,6 @@
inbufs, incounts, outbufs, outcounts, 0);
}
-/*
- * Conversion between binary and BCD.
- */
-#ifndef BCD_TO_BIN
-#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)
-#endif
-
-#ifndef BIN_TO_BCD
-#define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10)
-#endif
-
/* RTC-dependent code for time.c */
static int
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index b3962c3a..5be40aa 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -103,7 +103,7 @@
static int
spufs_new_file(struct super_block *sb, struct dentry *dentry,
- struct file_operations *fops, int mode,
+ const struct file_operations *fops, int mode,
struct spu_context *ctx)
{
static struct inode_operations spufs_file_iops = {
diff --git a/arch/powerpc/platforms/chrp/time.c b/arch/powerpc/platforms/chrp/time.c
index 12c6f68..7d78890 100644
--- a/arch/powerpc/platforms/chrp/time.c
+++ b/arch/powerpc/platforms/chrp/time.c
@@ -120,33 +120,15 @@
void chrp_get_rtc_time(struct rtc_time *tm)
{
unsigned int year, mon, day, hour, min, sec;
- int uip, i;
- /* The Linux interpretation of the CMOS clock register contents:
- * When the Update-In-Progress (UIP) flag goes from 1 to 0, the
- * RTC registers show the second which has precisely just started.
- * Let's hope other operating systems interpret the RTC the same way.
- */
-
- /* Since the UIP flag is set for about 2.2 ms and the clock
- * is typically written with a precision of 1 jiffy, trying
- * to obtain a precision better than a few milliseconds is
- * an illusion. Only consistency is interesting, this also
- * allows to use the routine for /dev/rtc without a potential
- * 1 second kernel busy loop triggered by any reader of /dev/rtc.
- */
-
- for ( i = 0; i<1000000; i++) {
- uip = chrp_cmos_clock_read(RTC_FREQ_SELECT);
+ do {
sec = chrp_cmos_clock_read(RTC_SECONDS);
min = chrp_cmos_clock_read(RTC_MINUTES);
hour = chrp_cmos_clock_read(RTC_HOURS);
day = chrp_cmos_clock_read(RTC_DAY_OF_MONTH);
mon = chrp_cmos_clock_read(RTC_MONTH);
year = chrp_cmos_clock_read(RTC_YEAR);
- uip |= chrp_cmos_clock_read(RTC_FREQ_SELECT);
- if ((uip & RTC_UIP)==0) break;
- }
+ } while (sec != chrp_cmos_clock_read(RTC_SECONDS));
if (!(chrp_cmos_clock_read(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
BCD_TO_BIN(sec);
diff --git a/arch/powerpc/platforms/maple/time.c b/arch/powerpc/platforms/maple/time.c
index 5e6981d..b9a2b3d 100644
--- a/arch/powerpc/platforms/maple/time.c
+++ b/arch/powerpc/platforms/maple/time.c
@@ -60,34 +60,14 @@
void maple_get_rtc_time(struct rtc_time *tm)
{
- int uip, i;
-
- /* The Linux interpretation of the CMOS clock register contents:
- * When the Update-In-Progress (UIP) flag goes from 1 to 0, the
- * RTC registers show the second which has precisely just started.
- * Let's hope other operating systems interpret the RTC the same way.
- */
-
- /* Since the UIP flag is set for about 2.2 ms and the clock
- * is typically written with a precision of 1 jiffy, trying
- * to obtain a precision better than a few milliseconds is
- * an illusion. Only consistency is interesting, this also
- * allows to use the routine for /dev/rtc without a potential
- * 1 second kernel busy loop triggered by any reader of /dev/rtc.
- */
-
- for (i = 0; i<1000000; i++) {
- uip = maple_clock_read(RTC_FREQ_SELECT);
+ do {
tm->tm_sec = maple_clock_read(RTC_SECONDS);
tm->tm_min = maple_clock_read(RTC_MINUTES);
tm->tm_hour = maple_clock_read(RTC_HOURS);
tm->tm_mday = maple_clock_read(RTC_DAY_OF_MONTH);
tm->tm_mon = maple_clock_read(RTC_MONTH);
tm->tm_year = maple_clock_read(RTC_YEAR);
- uip |= maple_clock_read(RTC_FREQ_SELECT);
- if ((uip & RTC_UIP)==0)
- break;
- }
+ } while (tm->tm_sec != maple_clock_read(RTC_SECONDS));
if (!(maple_clock_read(RTC_CONTROL) & RTC_DM_BINARY)
|| RTC_ALWAYS_BCD) {
diff --git a/arch/ppc/kernel/ppc_htab.c b/arch/ppc/kernel/ppc_htab.c
index 2f5c765..9b84bff 100644
--- a/arch/ppc/kernel/ppc_htab.c
+++ b/arch/ppc/kernel/ppc_htab.c
@@ -52,7 +52,7 @@
return single_open(file, ppc_htab_show, NULL);
}
-struct file_operations ppc_htab_operations = {
+const struct file_operations ppc_htab_operations = {
.open = ppc_htab_open,
.read = seq_read,
.llseek = seq_lseek,
diff --git a/arch/ppc/platforms/chrp_time.c b/arch/ppc/platforms/chrp_time.c
index c862777..51e06ad 100644
--- a/arch/ppc/platforms/chrp_time.c
+++ b/arch/ppc/platforms/chrp_time.c
@@ -119,44 +119,28 @@
unsigned long chrp_get_rtc_time(void)
{
unsigned int year, mon, day, hour, min, sec;
- int uip, i;
- /* The Linux interpretation of the CMOS clock register contents:
- * When the Update-In-Progress (UIP) flag goes from 1 to 0, the
- * RTC registers show the second which has precisely just started.
- * Let's hope other operating systems interpret the RTC the same way.
- */
-
- /* Since the UIP flag is set for about 2.2 ms and the clock
- * is typically written with a precision of 1 jiffy, trying
- * to obtain a precision better than a few milliseconds is
- * an illusion. Only consistency is interesting, this also
- * allows to use the routine for /dev/rtc without a potential
- * 1 second kernel busy loop triggered by any reader of /dev/rtc.
- */
-
- for ( i = 0; i<1000000; i++) {
- uip = chrp_cmos_clock_read(RTC_FREQ_SELECT);
+ do {
sec = chrp_cmos_clock_read(RTC_SECONDS);
min = chrp_cmos_clock_read(RTC_MINUTES);
hour = chrp_cmos_clock_read(RTC_HOURS);
day = chrp_cmos_clock_read(RTC_DAY_OF_MONTH);
mon = chrp_cmos_clock_read(RTC_MONTH);
year = chrp_cmos_clock_read(RTC_YEAR);
- uip |= chrp_cmos_clock_read(RTC_FREQ_SELECT);
- if ((uip & RTC_UIP)==0) break;
+ } while (sec != chrp_cmos_clock_read(RTC_SECONDS));
+
+ if (!(chrp_cmos_clock_read(RTC_CONTROL) & RTC_DM_BINARY)
+ || RTC_ALWAYS_BCD) {
+ BCD_TO_BIN(sec);
+ BCD_TO_BIN(min);
+ BCD_TO_BIN(hour);
+ BCD_TO_BIN(day);
+ BCD_TO_BIN(mon);
+ BCD_TO_BIN(year);
}
- if (!(chrp_cmos_clock_read(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
- {
- BCD_TO_BIN(sec);
- BCD_TO_BIN(min);
- BCD_TO_BIN(hour);
- BCD_TO_BIN(day);
- BCD_TO_BIN(mon);
- BCD_TO_BIN(year);
- }
- if ((year += 1900) < 1970)
+ year += 1900;
+ if (year < 1970)
year += 100;
return mktime(year, mon, day, hour, min, sec);
}
diff --git a/arch/sh/boards/mpc1211/rtc.c b/arch/sh/boards/mpc1211/rtc.c
index 4d100f0..a76c655 100644
--- a/arch/sh/boards/mpc1211/rtc.c
+++ b/arch/sh/boards/mpc1211/rtc.c
@@ -9,36 +9,16 @@
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/time.h>
+#include <linux/bcd.h>
#include <linux/mc146818rtc.h>
-#ifndef BCD_TO_BIN
-#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)
-#endif
-
-#ifndef BIN_TO_BCD
-#define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10)
-#endif
-
-/* arc/i386/kernel/time.c */
unsigned long get_cmos_time(void)
{
unsigned int year, mon, day, hour, min, sec;
- int i;
spin_lock(&rtc_lock);
- /* The Linux interpretation of the CMOS clock register contents:
- * When the Update-In-Progress (UIP) flag goes from 1 to 0, the
- * RTC registers show the second which has precisely just started.
- * Let's hope other operating systems interpret the RTC the same way.
- */
- /* read RTC exactly on falling edge of update flag */
- for (i = 0 ; i < 1000000 ; i++) /* may take up to 1 second... */
- if (CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP)
- break;
- for (i = 0 ; i < 1000000 ; i++) /* must try at least 2.228 ms */
- if (!(CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP))
- break;
- do { /* Isn't this overkill ? UIP above should guarantee consistency */
+
+ do {
sec = CMOS_READ(RTC_SECONDS);
min = CMOS_READ(RTC_MINUTES);
hour = CMOS_READ(RTC_HOURS);
@@ -46,18 +26,22 @@
mon = CMOS_READ(RTC_MONTH);
year = CMOS_READ(RTC_YEAR);
} while (sec != CMOS_READ(RTC_SECONDS));
- if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
- {
- BCD_TO_BIN(sec);
- BCD_TO_BIN(min);
- BCD_TO_BIN(hour);
- BCD_TO_BIN(day);
- BCD_TO_BIN(mon);
- BCD_TO_BIN(year);
- }
+
+ if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
+ BCD_TO_BIN(sec);
+ BCD_TO_BIN(min);
+ BCD_TO_BIN(hour);
+ BCD_TO_BIN(day);
+ BCD_TO_BIN(mon);
+ BCD_TO_BIN(year);
+ }
+
spin_unlock(&rtc_lock);
- if ((year += 1900) < 1970)
+
+ year += 1900;
+ if (year < 1970)
year += 100;
+
return mktime(year, mon, day, hour, min, sec);
}
diff --git a/arch/sh/boards/sh03/rtc.c b/arch/sh/boards/sh03/rtc.c
index cbeca70..d609863 100644
--- a/arch/sh/boards/sh03/rtc.c
+++ b/arch/sh/boards/sh03/rtc.c
@@ -9,6 +9,7 @@
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/time.h>
+#include <linux/bcd.h>
#include <asm/io.h>
#include <linux/rtc.h>
#include <linux/spinlock.h>
@@ -33,14 +34,6 @@
#define RTC_BUSY 1
#define RTC_STOP 2
-#ifndef BCD_TO_BIN
-#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)
-#endif
-
-#ifndef BIN_TO_BCD
-#define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10)
-#endif
-
extern void (*rtc_get_time)(struct timespec *);
extern int (*rtc_set_time)(const time_t);
extern spinlock_t rtc_lock;
@@ -48,13 +41,9 @@
unsigned long get_cmos_time(void)
{
unsigned int year, mon, day, hour, min, sec;
- int i;
spin_lock(&rtc_lock);
again:
- for (i = 0 ; i < 1000000 ; i++) /* may take up to 1 second... */
- if (!(ctrl_inb(RTC_CTL) & RTC_BUSY))
- break;
do {
sec = (ctrl_inb(RTC_SEC1) & 0xf) + (ctrl_inb(RTC_SEC10) & 0x7) * 10;
min = (ctrl_inb(RTC_MIN1) & 0xf) + (ctrl_inb(RTC_MIN10) & 0xf) * 10;
diff --git a/arch/sh/kernel/cpu/rtc.c b/arch/sh/kernel/cpu/rtc.c
index f8361f5..4304cf7 100644
--- a/arch/sh/kernel/cpu/rtc.c
+++ b/arch/sh/kernel/cpu/rtc.c
@@ -9,18 +9,10 @@
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/time.h>
-
+#include <linux/bcd.h>
#include <asm/io.h>
#include <asm/rtc.h>
-#ifndef BCD_TO_BIN
-#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)
-#endif
-
-#ifndef BIN_TO_BCD
-#define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10)
-#endif
-
void sh_rtc_gettimeofday(struct timespec *ts)
{
unsigned int sec128, sec, sec2, min, hr, wk, day, mon, yr, yr100, cf_bit;
diff --git a/arch/sh64/kernel/time.c b/arch/sh64/kernel/time.c
index 0773c9f..6b8f4d2 100644
--- a/arch/sh64/kernel/time.c
+++ b/arch/sh64/kernel/time.c
@@ -30,6 +30,7 @@
#include <linux/profile.h>
#include <linux/smp.h>
#include <linux/module.h>
+#include <linux/bcd.h>
#include <asm/registers.h> /* required by inline __asm__ stmt. */
@@ -105,14 +106,6 @@
#define RCR1 rtc_base+0x38
#define RCR2 rtc_base+0x3c
-#ifndef BCD_TO_BIN
-#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)
-#endif
-
-#ifndef BIN_TO_BCD
-#define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10)
-#endif
-
#define TICK_SIZE (tick_nsec / 1000)
extern unsigned long wall_jiffies;
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index 7d61f1b..e55b5c6 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -641,23 +641,8 @@
mon = MSTK_REG_MONTH(mregs);
year = MSTK_CVT_YEAR( MSTK_REG_YEAR(mregs) );
} else {
- int i;
-
/* Dallas 12887 RTC chip. */
- /* Stolen from arch/i386/kernel/time.c, see there for
- * credits and descriptive comments.
- */
- for (i = 0; i < 1000000; i++) {
- if (CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP)
- break;
- udelay(10);
- }
- for (i = 0; i < 1000000; i++) {
- if (!(CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP))
- break;
- udelay(10);
- }
do {
sec = CMOS_READ(RTC_SECONDS);
min = CMOS_READ(RTC_MINUTES);
@@ -666,6 +651,7 @@
mon = CMOS_READ(RTC_MONTH);
year = CMOS_READ(RTC_YEAR);
} while (sec != CMOS_READ(RTC_SECONDS));
+
if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
BCD_TO_BIN(sec);
BCD_TO_BIN(min);
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c
index 7f58fa6..473b514 100644
--- a/arch/x86_64/kernel/time.c
+++ b/arch/x86_64/kernel/time.c
@@ -504,42 +504,25 @@
static unsigned long get_cmos_time(void)
{
- unsigned int timeout = 1000000, year, mon, day, hour, min, sec;
- unsigned char uip = 0, this = 0;
+ unsigned int year, mon, day, hour, min, sec;
unsigned long flags;
unsigned extyear = 0;
-/*
- * The Linux interpretation of the CMOS clock register contents: When the
- * Update-In-Progress (UIP) flag goes from 1 to 0, the RTC registers show the
- * second which has precisely just started. Waiting for this can take up to 1
- * second, we timeout approximately after 2.4 seconds on a machine with
- * standard 8.3 MHz ISA bus.
- */
-
spin_lock_irqsave(&rtc_lock, flags);
- while (timeout && (!uip || this)) {
- uip |= this;
- this = CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP;
- timeout--;
- }
-
- /*
- * Here we are safe to assume the registers won't change for a whole
- * second, so we just go ahead and read them.
- */
- sec = CMOS_READ(RTC_SECONDS);
- min = CMOS_READ(RTC_MINUTES);
- hour = CMOS_READ(RTC_HOURS);
- day = CMOS_READ(RTC_DAY_OF_MONTH);
- mon = CMOS_READ(RTC_MONTH);
- year = CMOS_READ(RTC_YEAR);
-
+ do {
+ sec = CMOS_READ(RTC_SECONDS);
+ min = CMOS_READ(RTC_MINUTES);
+ hour = CMOS_READ(RTC_HOURS);
+ day = CMOS_READ(RTC_DAY_OF_MONTH);
+ mon = CMOS_READ(RTC_MONTH);
+ year = CMOS_READ(RTC_YEAR);
#ifdef CONFIG_ACPI
- if (acpi_fadt.revision >= FADT2_REVISION_ID && acpi_fadt.century)
- extyear = CMOS_READ(acpi_fadt.century);
+ if (acpi_fadt.revision >= FADT2_REVISION_ID &&
+ acpi_fadt.century)
+ extyear = CMOS_READ(acpi_fadt.century);
#endif
+ } while (sec != CMOS_READ(RTC_SECONDS));
spin_unlock_irqrestore(&rtc_lock, flags);
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index bde40a6..67d446d 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -26,18 +26,12 @@
static const int cfq_slice_sync = HZ / 10;
static int cfq_slice_async = HZ / 25;
static const int cfq_slice_async_rq = 2;
-static int cfq_slice_idle = HZ / 100;
+static int cfq_slice_idle = HZ / 70;
#define CFQ_IDLE_GRACE (HZ / 10)
#define CFQ_SLICE_SCALE (5)
#define CFQ_KEY_ASYNC (0)
-#define CFQ_KEY_ANY (0xffff)
-
-/*
- * disable queueing at the driver/hardware level
- */
-static const int cfq_max_depth = 2;
static DEFINE_RWLOCK(cfq_exit_lock);
@@ -102,6 +96,8 @@
#define cfq_cfqq_sync(cfqq) \
(cfq_cfqq_class_sync(cfqq) || (cfqq)->on_dispatch[SYNC])
+#define sample_valid(samples) ((samples) > 80)
+
/*
* Per block device queue structure
*/
@@ -170,7 +166,6 @@
unsigned int cfq_slice[2];
unsigned int cfq_slice_async_rq;
unsigned int cfq_slice_idle;
- unsigned int cfq_max_depth;
struct list_head cic_list;
};
@@ -343,17 +338,27 @@
return !cfqd->busy_queues;
}
+static inline pid_t cfq_queue_pid(struct task_struct *task, int rw)
+{
+ if (rw == READ || process_sync(task))
+ return task->pid;
+
+ return CFQ_KEY_ASYNC;
+}
+
/*
* Lifted from AS - choose which of crq1 and crq2 that is best served now.
* We choose the request that is closest to the head right now. Distance
- * behind the head are penalized and only allowed to a certain extent.
+ * behind the head is penalized and only allowed to a certain extent.
*/
static struct cfq_rq *
cfq_choose_req(struct cfq_data *cfqd, struct cfq_rq *crq1, struct cfq_rq *crq2)
{
sector_t last, s1, s2, d1 = 0, d2 = 0;
- int r1_wrap = 0, r2_wrap = 0; /* requests are behind the disk head */
unsigned long back_max;
+#define CFQ_RQ1_WRAP 0x01 /* request 1 wraps */
+#define CFQ_RQ2_WRAP 0x02 /* request 2 wraps */
+ unsigned wrap = 0; /* bit mask: requests behind the disk head? */
if (crq1 == NULL || crq1 == crq2)
return crq2;
@@ -385,35 +390,47 @@
else if (s1 + back_max >= last)
d1 = (last - s1) * cfqd->cfq_back_penalty;
else
- r1_wrap = 1;
+ wrap |= CFQ_RQ1_WRAP;
if (s2 >= last)
d2 = s2 - last;
else if (s2 + back_max >= last)
d2 = (last - s2) * cfqd->cfq_back_penalty;
else
- r2_wrap = 1;
+ wrap |= CFQ_RQ2_WRAP;
/* Found required data */
- if (!r1_wrap && r2_wrap)
- return crq1;
- else if (!r2_wrap && r1_wrap)
- return crq2;
- else if (r1_wrap && r2_wrap) {
- /* both behind the head */
- if (s1 <= s2)
- return crq1;
- else
- return crq2;
- }
- /* Both requests in front of the head */
- if (d1 < d2)
+ /*
+ * By doing switch() on the bit mask "wrap" we avoid having to
+ * check two variables for all permutations: --> faster!
+ */
+ switch (wrap) {
+ case 0: /* common case for CFQ: crq1 and crq2 not wrapped */
+ if (d1 < d2)
+ return crq1;
+ else if (d2 < d1)
+ return crq2;
+ else {
+ if (s1 >= s2)
+ return crq1;
+ else
+ return crq2;
+ }
+
+ case CFQ_RQ2_WRAP:
return crq1;
- else if (d2 < d1)
+ case CFQ_RQ1_WRAP:
return crq2;
- else {
- if (s1 >= s2)
+ case (CFQ_RQ1_WRAP|CFQ_RQ2_WRAP): /* both crqs wrapped */
+ default:
+ /*
+ * Since both rqs are wrapped,
+ * start with the one that's further behind head
+ * (--> only *one* back seek required),
+ * since back seek takes more time than forward.
+ */
+ if (s1 <= s2)
return crq1;
else
return crq2;
@@ -612,15 +629,20 @@
cfq_add_crq_rb(crq);
}
-static struct request *cfq_find_rq_rb(struct cfq_data *cfqd, sector_t sector)
-
+static struct request *
+cfq_find_rq_fmerge(struct cfq_data *cfqd, struct bio *bio)
{
- struct cfq_queue *cfqq = cfq_find_cfq_hash(cfqd, current->pid, CFQ_KEY_ANY);
+ struct task_struct *tsk = current;
+ pid_t key = cfq_queue_pid(tsk, bio_data_dir(bio));
+ struct cfq_queue *cfqq;
struct rb_node *n;
+ sector_t sector;
+ cfqq = cfq_find_cfq_hash(cfqd, key, tsk->ioprio);
if (!cfqq)
goto out;
+ sector = bio->bi_sector + bio_sectors(bio);
n = cfqq->sort_list.rb_node;
while (n) {
struct cfq_rq *crq = rb_entry_crq(n);
@@ -674,7 +696,7 @@
goto out;
}
- __rq = cfq_find_rq_rb(cfqd, bio->bi_sector + bio_sectors(bio));
+ __rq = cfq_find_rq_fmerge(cfqd, bio);
if (__rq && elv_rq_merge_ok(__rq, bio)) {
ret = ELEVATOR_FRONT_MERGE;
goto out;
@@ -877,6 +899,7 @@
static int cfq_arm_slice_timer(struct cfq_data *cfqd, struct cfq_queue *cfqq)
{
+ struct cfq_io_context *cic;
unsigned long sl;
WARN_ON(!RB_EMPTY(&cfqq->sort_list));
@@ -892,13 +915,23 @@
/*
* task has exited, don't wait
*/
- if (cfqd->active_cic && !cfqd->active_cic->ioc->task)
+ cic = cfqd->active_cic;
+ if (!cic || !cic->ioc->task)
return 0;
cfq_mark_cfqq_must_dispatch(cfqq);
cfq_mark_cfqq_wait_request(cfqq);
sl = min(cfqq->slice_end - 1, (unsigned long) cfqd->cfq_slice_idle);
+
+ /*
+ * we don't want to idle for seeks, but we do want to allow
+ * fair distribution of slice time for a process doing back-to-back
+ * seeks. so allow a little bit of time for him to submit a new rq
+ */
+ if (sample_valid(cic->seek_samples) && cic->seek_mean > 131072)
+ sl = 2;
+
mod_timer(&cfqd->idle_slice_timer, jiffies + sl);
return 1;
}
@@ -1115,13 +1148,6 @@
if (cfqq) {
int max_dispatch;
- /*
- * if idle window is disabled, allow queue buildup
- */
- if (!cfq_cfqq_idle_window(cfqq) &&
- cfqd->rq_in_driver >= cfqd->cfq_max_depth)
- return 0;
-
cfq_clear_cfqq_must_dispatch(cfqq);
cfq_clear_cfqq_wait_request(cfqq);
del_timer(&cfqd->idle_slice_timer);
@@ -1171,13 +1197,13 @@
const int hashval)
{
struct hlist_head *hash_list = &cfqd->cfq_hash[hashval];
- struct hlist_node *entry, *next;
+ struct hlist_node *entry;
+ struct cfq_queue *__cfqq;
- hlist_for_each_safe(entry, next, hash_list) {
- struct cfq_queue *__cfqq = list_entry_qhash(entry);
+ hlist_for_each_entry(__cfqq, entry, hash_list, cfq_hash) {
const unsigned short __p = IOPRIO_PRIO_VALUE(__cfqq->org_ioprio_class, __cfqq->org_ioprio);
- if (__cfqq->key == key && (__p == prio || prio == CFQ_KEY_ANY))
+ if (__cfqq->key == key && (__p == prio || !prio))
return __cfqq;
}
@@ -1190,19 +1216,19 @@
return __cfq_find_cfq_hash(cfqd, key, prio, hash_long(key, CFQ_QHASH_SHIFT));
}
-static void cfq_free_io_context(struct cfq_io_context *cic)
+static void cfq_free_io_context(struct io_context *ioc)
{
struct cfq_io_context *__cic;
- struct list_head *entry, *next;
- int freed = 1;
+ struct rb_node *n;
+ int freed = 0;
- list_for_each_safe(entry, next, &cic->list) {
- __cic = list_entry(entry, struct cfq_io_context, list);
+ while ((n = rb_first(&ioc->cic_root)) != NULL) {
+ __cic = rb_entry(n, struct cfq_io_context, rb_node);
+ rb_erase(&__cic->rb_node, &ioc->cic_root);
kmem_cache_free(cfq_ioc_pool, __cic);
freed++;
}
- kmem_cache_free(cfq_ioc_pool, cic);
if (atomic_sub_and_test(freed, &ioc_count) && ioc_gone)
complete(ioc_gone);
}
@@ -1210,8 +1236,7 @@
static void cfq_trim(struct io_context *ioc)
{
ioc->set_ioprio = NULL;
- if (ioc->cic)
- cfq_free_io_context(ioc->cic);
+ cfq_free_io_context(ioc);
}
/*
@@ -1250,26 +1275,26 @@
spin_unlock(q->queue_lock);
}
-static void cfq_exit_io_context(struct cfq_io_context *cic)
+static void cfq_exit_io_context(struct io_context *ioc)
{
struct cfq_io_context *__cic;
- struct list_head *entry;
unsigned long flags;
-
- local_irq_save(flags);
+ struct rb_node *n;
/*
* put the reference this task is holding to the various queues
*/
- read_lock(&cfq_exit_lock);
- list_for_each(entry, &cic->list) {
- __cic = list_entry(entry, struct cfq_io_context, list);
+ read_lock_irqsave(&cfq_exit_lock, flags);
+
+ n = rb_first(&ioc->cic_root);
+ while (n != NULL) {
+ __cic = rb_entry(n, struct cfq_io_context, rb_node);
+
cfq_exit_single_io_context(__cic);
+ n = rb_next(n);
}
- cfq_exit_single_io_context(cic);
- read_unlock(&cfq_exit_lock);
- local_irq_restore(flags);
+ read_unlock_irqrestore(&cfq_exit_lock, flags);
}
static struct cfq_io_context *
@@ -1278,10 +1303,10 @@
struct cfq_io_context *cic = kmem_cache_alloc(cfq_ioc_pool, gfp_mask);
if (cic) {
- INIT_LIST_HEAD(&cic->list);
+ RB_CLEAR(&cic->rb_node);
+ cic->key = NULL;
cic->cfqq[ASYNC] = NULL;
cic->cfqq[SYNC] = NULL;
- cic->key = NULL;
cic->last_end_request = jiffies;
cic->ttime_total = 0;
cic->ttime_samples = 0;
@@ -1373,15 +1398,17 @@
static int cfq_ioc_set_ioprio(struct io_context *ioc, unsigned int ioprio)
{
struct cfq_io_context *cic;
+ struct rb_node *n;
write_lock(&cfq_exit_lock);
- cic = ioc->cic;
-
- changed_ioprio(cic);
-
- list_for_each_entry(cic, &cic->list, list)
+ n = rb_first(&ioc->cic_root);
+ while (n != NULL) {
+ cic = rb_entry(n, struct cfq_io_context, rb_node);
+
changed_ioprio(cic);
+ n = rb_next(n);
+ }
write_unlock(&cfq_exit_lock);
@@ -1445,14 +1472,67 @@
return cfqq;
}
+static struct cfq_io_context *
+cfq_cic_rb_lookup(struct cfq_data *cfqd, struct io_context *ioc)
+{
+ struct rb_node *n = ioc->cic_root.rb_node;
+ struct cfq_io_context *cic;
+ void *key = cfqd;
+
+ while (n) {
+ cic = rb_entry(n, struct cfq_io_context, rb_node);
+
+ if (key < cic->key)
+ n = n->rb_left;
+ else if (key > cic->key)
+ n = n->rb_right;
+ else
+ return cic;
+ }
+
+ return NULL;
+}
+
+static inline void
+cfq_cic_link(struct cfq_data *cfqd, struct io_context *ioc,
+ struct cfq_io_context *cic)
+{
+ struct rb_node **p = &ioc->cic_root.rb_node;
+ struct rb_node *parent = NULL;
+ struct cfq_io_context *__cic;
+
+ read_lock(&cfq_exit_lock);
+
+ cic->ioc = ioc;
+ cic->key = cfqd;
+
+ ioc->set_ioprio = cfq_ioc_set_ioprio;
+
+ while (*p) {
+ parent = *p;
+ __cic = rb_entry(parent, struct cfq_io_context, rb_node);
+
+ if (cic->key < __cic->key)
+ p = &(*p)->rb_left;
+ else if (cic->key > __cic->key)
+ p = &(*p)->rb_right;
+ else
+ BUG();
+ }
+
+ rb_link_node(&cic->rb_node, parent, p);
+ rb_insert_color(&cic->rb_node, &ioc->cic_root);
+ list_add(&cic->queue_list, &cfqd->cic_list);
+ read_unlock(&cfq_exit_lock);
+}
+
/*
* Setup general io context and cfq io context. There can be several cfq
* io contexts per general io context, if this process is doing io to more
- * than one device managed by cfq. Note that caller is holding a reference to
- * cfqq, so we don't need to worry about it disappearing
+ * than one device managed by cfq.
*/
static struct cfq_io_context *
-cfq_get_io_context(struct cfq_data *cfqd, pid_t pid, gfp_t gfp_mask)
+cfq_get_io_context(struct cfq_data *cfqd, gfp_t gfp_mask)
{
struct io_context *ioc = NULL;
struct cfq_io_context *cic;
@@ -1463,88 +1543,15 @@
if (!ioc)
return NULL;
-restart:
- if ((cic = ioc->cic) == NULL) {
- cic = cfq_alloc_io_context(cfqd, gfp_mask);
+ cic = cfq_cic_rb_lookup(cfqd, ioc);
+ if (cic)
+ goto out;
- if (cic == NULL)
- goto err;
+ cic = cfq_alloc_io_context(cfqd, gfp_mask);
+ if (cic == NULL)
+ goto err;
- /*
- * manually increment generic io_context usage count, it
- * cannot go away since we are already holding one ref to it
- */
- cic->ioc = ioc;
- cic->key = cfqd;
- read_lock(&cfq_exit_lock);
- ioc->set_ioprio = cfq_ioc_set_ioprio;
- ioc->cic = cic;
- list_add(&cic->queue_list, &cfqd->cic_list);
- read_unlock(&cfq_exit_lock);
- } else {
- struct cfq_io_context *__cic;
-
- /*
- * the first cic on the list is actually the head itself
- */
- if (cic->key == cfqd)
- goto out;
-
- if (unlikely(!cic->key)) {
- read_lock(&cfq_exit_lock);
- if (list_empty(&cic->list))
- ioc->cic = NULL;
- else
- ioc->cic = list_entry(cic->list.next,
- struct cfq_io_context,
- list);
- read_unlock(&cfq_exit_lock);
- kmem_cache_free(cfq_ioc_pool, cic);
- atomic_dec(&ioc_count);
- goto restart;
- }
-
- /*
- * cic exists, check if we already are there. linear search
- * should be ok here, the list will usually not be more than
- * 1 or a few entries long
- */
- list_for_each_entry(__cic, &cic->list, list) {
- /*
- * this process is already holding a reference to
- * this queue, so no need to get one more
- */
- if (__cic->key == cfqd) {
- cic = __cic;
- goto out;
- }
- if (unlikely(!__cic->key)) {
- read_lock(&cfq_exit_lock);
- list_del(&__cic->list);
- read_unlock(&cfq_exit_lock);
- kmem_cache_free(cfq_ioc_pool, __cic);
- atomic_dec(&ioc_count);
- goto restart;
- }
- }
-
- /*
- * nope, process doesn't have a cic assoicated with this
- * cfqq yet. get a new one and add to list
- */
- __cic = cfq_alloc_io_context(cfqd, gfp_mask);
- if (__cic == NULL)
- goto err;
-
- __cic->ioc = ioc;
- __cic->key = cfqd;
- read_lock(&cfq_exit_lock);
- list_add(&__cic->list, &cic->list);
- list_add(&__cic->queue_list, &cfqd->cic_list);
- read_unlock(&cfq_exit_lock);
- cic = __cic;
- }
-
+ cfq_cic_link(cfqd, ioc, cic);
out:
return cic;
err:
@@ -1577,7 +1584,33 @@
cic->ttime_mean = (cic->ttime_total + 128) / cic->ttime_samples;
}
-#define sample_valid(samples) ((samples) > 80)
+static void
+cfq_update_io_seektime(struct cfq_data *cfqd, struct cfq_io_context *cic,
+ struct cfq_rq *crq)
+{
+ sector_t sdist;
+ u64 total;
+
+ if (cic->last_request_pos < crq->request->sector)
+ sdist = crq->request->sector - cic->last_request_pos;
+ else
+ sdist = cic->last_request_pos - crq->request->sector;
+
+ /*
+ * Don't allow the seek distance to get too large from the
+ * odd fragment, pagein, etc
+ */
+ if (cic->seek_samples <= 60) /* second&third seek */
+ sdist = min(sdist, (cic->seek_mean * 4) + 2*1024*1024);
+ else
+ sdist = min(sdist, (cic->seek_mean * 4) + 2*1024*64);
+
+ cic->seek_samples = (7*cic->seek_samples + 256) / 8;
+ cic->seek_total = (7*cic->seek_total + (u64)256*sdist) / 8;
+ total = cic->seek_total + (cic->seek_samples/2);
+ do_div(total, cic->seek_samples);
+ cic->seek_mean = (sector_t)total;
+}
/*
* Disable idle window if the process thinks too long or seeks so much that
@@ -1690,9 +1723,11 @@
cic = crq->io_context;
cfq_update_io_thinktime(cfqd, cic);
+ cfq_update_io_seektime(cfqd, cic, crq);
cfq_update_idle_window(cfqd, cfqq, cic);
cic->last_queue = jiffies;
+ cic->last_request_pos = crq->request->sector + crq->request->nr_sectors;
if (cfqq == cfqd->active_queue) {
/*
@@ -1825,14 +1860,6 @@
cfq_resort_rr_list(cfqq, 0);
}
-static inline pid_t cfq_queue_pid(struct task_struct *task, int rw)
-{
- if (rw == READ || process_sync(task))
- return task->pid;
-
- return CFQ_KEY_ASYNC;
-}
-
static inline int
__cfq_may_queue(struct cfq_data *cfqd, struct cfq_queue *cfqq,
struct task_struct *task, int rw)
@@ -1965,7 +1992,7 @@
might_sleep_if(gfp_mask & __GFP_WAIT);
- cic = cfq_get_io_context(cfqd, key, gfp_mask);
+ cic = cfq_get_io_context(cfqd, gfp_mask);
spin_lock_irqsave(q->queue_lock, flags);
@@ -2133,11 +2160,14 @@
request_queue_t *q = cfqd->queue;
cfq_shutdown_timer_wq(cfqd);
+
write_lock(&cfq_exit_lock);
spin_lock_irq(q->queue_lock);
+
if (cfqd->active_queue)
__cfq_slice_expired(cfqd, cfqd->active_queue, 0);
- while(!list_empty(&cfqd->cic_list)) {
+
+ while (!list_empty(&cfqd->cic_list)) {
struct cfq_io_context *cic = list_entry(cfqd->cic_list.next,
struct cfq_io_context,
queue_list);
@@ -2152,6 +2182,7 @@
cic->key = NULL;
list_del_init(&cic->queue_list);
}
+
spin_unlock_irq(q->queue_lock);
write_unlock(&cfq_exit_lock);
@@ -2227,7 +2258,6 @@
cfqd->cfq_slice[1] = cfq_slice_sync;
cfqd->cfq_slice_async_rq = cfq_slice_async_rq;
cfqd->cfq_slice_idle = cfq_slice_idle;
- cfqd->cfq_max_depth = cfq_max_depth;
return 0;
out_crqpool:
@@ -2310,7 +2340,6 @@
SHOW_FUNCTION(cfq_slice_sync_show, cfqd->cfq_slice[1], 1);
SHOW_FUNCTION(cfq_slice_async_show, cfqd->cfq_slice[0], 1);
SHOW_FUNCTION(cfq_slice_async_rq_show, cfqd->cfq_slice_async_rq, 0);
-SHOW_FUNCTION(cfq_max_depth_show, cfqd->cfq_max_depth, 0);
#undef SHOW_FUNCTION
#define STORE_FUNCTION(__FUNC, __PTR, MIN, MAX, __CONV) \
@@ -2339,7 +2368,6 @@
STORE_FUNCTION(cfq_slice_sync_store, &cfqd->cfq_slice[1], 1, UINT_MAX, 1);
STORE_FUNCTION(cfq_slice_async_store, &cfqd->cfq_slice[0], 1, UINT_MAX, 1);
STORE_FUNCTION(cfq_slice_async_rq_store, &cfqd->cfq_slice_async_rq, 1, UINT_MAX, 0);
-STORE_FUNCTION(cfq_max_depth_store, &cfqd->cfq_max_depth, 1, UINT_MAX, 0);
#undef STORE_FUNCTION
#define CFQ_ATTR(name) \
@@ -2356,7 +2384,6 @@
CFQ_ATTR(slice_async),
CFQ_ATTR(slice_async_rq),
CFQ_ATTR(slice_idle),
- CFQ_ATTR(max_depth),
__ATTR_NULL
};
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index 82469db..5b26af85 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -3514,7 +3514,7 @@
iocontext_cachep = kmem_cache_create("blkdev_ioc",
sizeof(struct io_context), 0, SLAB_PANIC, NULL, NULL);
- for_each_cpu(i)
+ for_each_possible_cpu(i)
INIT_LIST_HEAD(&per_cpu(blk_cpu_done, i));
open_softirq(BLOCK_SOFTIRQ, blk_done_softirq, NULL);
@@ -3539,11 +3539,17 @@
BUG_ON(atomic_read(&ioc->refcount) == 0);
if (atomic_dec_and_test(&ioc->refcount)) {
+ struct cfq_io_context *cic;
+
rcu_read_lock();
if (ioc->aic && ioc->aic->dtor)
ioc->aic->dtor(ioc->aic);
- if (ioc->cic && ioc->cic->dtor)
- ioc->cic->dtor(ioc->cic);
+ if (ioc->cic_root.rb_node != NULL) {
+ struct rb_node *n = rb_first(&ioc->cic_root);
+
+ cic = rb_entry(n, struct cfq_io_context, rb_node);
+ cic->dtor(ioc);
+ }
rcu_read_unlock();
kmem_cache_free(iocontext_cachep, ioc);
@@ -3556,6 +3562,7 @@
{
unsigned long flags;
struct io_context *ioc;
+ struct cfq_io_context *cic;
local_irq_save(flags);
task_lock(current);
@@ -3567,9 +3574,11 @@
if (ioc->aic && ioc->aic->exit)
ioc->aic->exit(ioc->aic);
- if (ioc->cic && ioc->cic->exit)
- ioc->cic->exit(ioc->cic);
-
+ if (ioc->cic_root.rb_node != NULL) {
+ cic = rb_entry(rb_first(&ioc->cic_root), struct cfq_io_context, rb_node);
+ cic->exit(ioc);
+ }
+
put_io_context(ioc);
}
@@ -3598,7 +3607,7 @@
ret->last_waited = jiffies; /* doesn't matter... */
ret->nr_batch_requests = 0; /* because this is 0 */
ret->aic = NULL;
- ret->cic = NULL;
+ ret->cic_root.rb_node = NULL;
tsk->io_context = ret;
}
diff --git a/drivers/atm/lanai.c b/drivers/atm/lanai.c
index 69f4c7c..cac09e3 100644
--- a/drivers/atm/lanai.c
+++ b/drivers/atm/lanai.c
@@ -1972,7 +1972,7 @@
"(itf %d): No suitable DMA available.\n", lanai->number);
return -EBUSY;
}
- if (pci_set_consistent_dma_mask(pci, 0xFFFFFFFF) != 0) {
+ if (pci_set_consistent_dma_mask(pci, DMA_32BIT_MASK) != 0) {
printk(KERN_WARNING DEV_LABEL
"(itf %d): No suitable DMA available.\n", lanai->number);
return -EBUSY;
diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index 49c7cd5..45bcda5 100644
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -41,6 +41,7 @@
#include <linux/timer.h>
#include <linux/pci.h>
#include <linux/init.h>
+#include <linux/jiffies.h>
#include <linux/random.h>
#include <asm/io.h>
#include <asm/uaccess.h>
@@ -3654,8 +3655,8 @@
(NewEnquiry->EventLogSequenceNumber !=
OldEnquiry->EventLogSequenceNumber) ||
Controller->MonitoringTimerCount == 0 ||
- (jiffies - Controller->SecondaryMonitoringTime
- >= DAC960_SecondaryMonitoringInterval))
+ time_after_eq(jiffies, Controller->SecondaryMonitoringTime
+ + DAC960_SecondaryMonitoringInterval))
{
Controller->V1.NeedLogicalDriveInformation = true;
Controller->V1.NewEventLogSequenceNumber =
@@ -5640,8 +5641,8 @@
unsigned int StatusChangeCounter =
Controller->V2.HealthStatusBuffer->StatusChangeCounter;
boolean ForceMonitoringCommand = false;
- if (jiffies - Controller->SecondaryMonitoringTime
- > DAC960_SecondaryMonitoringInterval)
+ if (time_after(jiffies, Controller->SecondaryMonitoringTime
+ + DAC960_SecondaryMonitoringInterval))
{
int LogicalDriveNumber;
for (LogicalDriveNumber = 0;
@@ -5669,8 +5670,8 @@
ControllerInfo->ConsistencyChecksActive +
ControllerInfo->RebuildsActive +
ControllerInfo->OnlineExpansionsActive == 0 ||
- jiffies - Controller->PrimaryMonitoringTime
- < DAC960_MonitoringTimerInterval) &&
+ time_before(jiffies, Controller->PrimaryMonitoringTime
+ + DAC960_MonitoringTimerInterval)) &&
!ForceMonitoringCommand)
{
Controller->MonitoringTimer.expires =
@@ -5807,8 +5808,8 @@
Controller->ProgressBufferLength = Length;
if (Controller->EphemeralProgressMessage)
{
- if (jiffies - Controller->LastProgressReportTime
- >= DAC960_ProgressReportingInterval)
+ if (time_after_eq(jiffies, Controller->LastProgressReportTime
+ + DAC960_ProgressReportingInterval))
{
printk("%sDAC960#%d: %s", DAC960_MessageLevelMap[MessageLevel],
Controller->ControllerNumber, Buffer);
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 875ae76..ae0949b 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -383,8 +383,9 @@
thus say N here.
config BLK_DEV_RAM_COUNT
- int "Default number of RAM disks" if BLK_DEV_RAM
+ int "Default number of RAM disks"
default "16"
+ depends on BLK_DEV_RAM
help
The default value is 16 RAM disks. Change this if you know what
are doing. If you boot from a filesystem that needs to be extracted
diff --git a/drivers/block/acsi_slm.c b/drivers/block/acsi_slm.c
index a5c1c8e..4cb9c13 100644
--- a/drivers/block/acsi_slm.c
+++ b/drivers/block/acsi_slm.c
@@ -369,8 +369,6 @@
int length;
int end;
- if (count < 0)
- return( -EINVAL );
if (!(page = __get_free_page( GFP_KERNEL )))
return( -ENOMEM );
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index d3ad908..bedb689 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -170,6 +170,7 @@
#include <linux/mm.h>
#include <linux/bio.h>
#include <linux/string.h>
+#include <linux/jiffies.h>
#include <linux/fcntl.h>
#include <linux/delay.h>
#include <linux/mc146818rtc.h> /* CMOS defines */
@@ -747,7 +748,7 @@
{
int fdc = FDC(drive);
#ifdef FLOPPY_SANITY_CHECK
- if (jiffies - UDRS->select_date < UDP->select_delay)
+ if (time_before(jiffies, UDRS->select_date + UDP->select_delay))
DPRINT("WARNING disk change called early\n");
if (!(FDCS->dor & (0x10 << UNIT(drive))) ||
(FDCS->dor & 3) != UNIT(drive) || fdc != FDC(drive)) {
@@ -1075,7 +1076,7 @@
return 1;
}
- if ((signed)(jiffies - delay) < 0) {
+ if (time_before(jiffies, delay)) {
del_timer(&fd_timer);
fd_timer.function = function;
fd_timer.expires = delay;
@@ -1535,7 +1536,7 @@
* again just before spinup completion. Beware that
* after scandrives, we must again wait for selection.
*/
- if ((signed)(ready_date - jiffies) > DP->select_delay) {
+ if (time_after(ready_date, jiffies + DP->select_delay)) {
ready_date -= DP->select_delay;
function = (timeout_fn) floppy_start;
} else
@@ -3823,7 +3824,7 @@
if (UTESTF(FD_DISK_CHANGED) || UTESTF(FD_VERIFY))
return 1;
- if (UDP->checkfreq < (int)(jiffies - UDRS->last_checked)) {
+ if (time_after(jiffies, UDRS->last_checked + UDP->checkfreq)) {
if (floppy_grab_irq_and_dma()) {
return 1;
}
diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c
index 62d2464..2403721 100644
--- a/drivers/block/paride/pd.c
+++ b/drivers/block/paride/pd.c
@@ -151,6 +151,7 @@
#include <linux/cdrom.h> /* for the eject ioctl */
#include <linux/blkdev.h>
#include <linux/blkpg.h>
+#include <linux/kernel.h>
#include <asm/uaccess.h>
#include <linux/sched.h>
#include <linux/workqueue.h>
@@ -275,7 +276,7 @@
int i;
printk("%s: %s: status = 0x%x =", disk->name, msg, status);
- for (i = 0; i < 18; i++)
+ for (i = 0; i < ARRAY_SIZE(pd_errs); i++)
if (status & (1 << i))
printk(" %s", pd_errs[i]);
printk("\n");
diff --git a/drivers/block/paride/pg.c b/drivers/block/paride/pg.c
index 6f5df0f..79b8682 100644
--- a/drivers/block/paride/pg.c
+++ b/drivers/block/paride/pg.c
@@ -643,7 +643,8 @@
static int __init pg_init(void)
{
- int unit, err = 0;
+ int unit;
+ int err;
if (disable){
err = -1;
@@ -657,16 +658,17 @@
goto out;
}
- if (register_chrdev(major, name, &pg_fops)) {
+ err = register_chrdev(major, name, &pg_fops);
+ if (err < 0) {
printk("pg_init: unable to get major number %d\n", major);
for (unit = 0; unit < PG_UNITS; unit++) {
struct pg *dev = &devices[unit];
if (dev->present)
pi_release(dev->pi);
}
- err = -1;
goto out;
}
+ major = err; /* In case the user specified `major=0' (dynamic) */
pg_class = class_create(THIS_MODULE, "pg");
if (IS_ERR(pg_class)) {
err = PTR_ERR(pg_class);
diff --git a/drivers/block/paride/pt.c b/drivers/block/paride/pt.c
index 715ae5d..d2013d3 100644
--- a/drivers/block/paride/pt.c
+++ b/drivers/block/paride/pt.c
@@ -943,7 +943,8 @@
static int __init pt_init(void)
{
- int unit, err = 0;
+ int unit;
+ int err;
if (disable) {
err = -1;
@@ -955,14 +956,15 @@
goto out;
}
- if (register_chrdev(major, name, &pt_fops)) {
+ err = register_chrdev(major, name, &pt_fops);
+ if (err < 0) {
printk("pt_init: unable to get major number %d\n", major);
for (unit = 0; unit < PT_UNITS; unit++)
if (pt[unit].present)
pi_release(pt[unit].pi);
- err = -1;
goto out;
}
+ major = err;
pt_class = class_create(THIS_MODULE, "pt");
if (IS_ERR(pt_class)) {
err = PTR_ERR(pt_class);
diff --git a/drivers/block/umem.c b/drivers/block/umem.c
index c16e66b..f7d4c65 100644
--- a/drivers/block/umem.c
+++ b/drivers/block/umem.c
@@ -50,6 +50,7 @@
#include <linux/timer.h>
#include <linux/pci.h>
#include <linux/slab.h>
+#include <linux/dma-mapping.h>
#include <linux/fcntl.h> /* O_ACCMODE */
#include <linux/hdreg.h> /* HDIO_GETGEO */
@@ -881,8 +882,8 @@
printk(KERN_INFO "Micro Memory(tm) controller #%d found at %02x:%02x (PCI Mem Module (Battery Backup))\n",
card->card_number, dev->bus->number, dev->devfn);
- if (pci_set_dma_mask(dev, 0xffffffffffffffffLL) &&
- pci_set_dma_mask(dev, 0xffffffffLL)) {
+ if (pci_set_dma_mask(dev, DMA_64BIT_MASK) &&
+ pci_set_dma_mask(dev, DMA_32BIT_MASK)) {
printk(KERN_WARNING "MM%d: NO suitable DMA found\n",num_cards);
return -ENOMEM;
}
diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c
index 70b8ed9..4c67135 100644
--- a/drivers/char/agp/nvidia-agp.c
+++ b/drivers/char/agp/nvidia-agp.c
@@ -11,6 +11,7 @@
#include <linux/gfp.h>
#include <linux/page-flags.h>
#include <linux/mm.h>
+#include <linux/jiffies.h>
#include "agp.h"
/* NVIDIA registers */
@@ -256,7 +257,7 @@
do {
pci_read_config_dword(nvidia_private.dev_1,
NVIDIA_1_WBC, &wbc_reg);
- if ((signed)(end - jiffies) <= 0) {
+ if (time_before_eq(end, jiffies)) {
printk(KERN_ERR PFX
"TLB flush took more than 3 seconds.\n");
}
diff --git a/drivers/char/drm/drm_fops.c b/drivers/char/drm/drm_fops.c
index 641f763..b7f7951 100644
--- a/drivers/char/drm/drm_fops.c
+++ b/drivers/char/drm/drm_fops.c
@@ -175,7 +175,7 @@
drm_device_t *dev = NULL;
int minor = iminor(inode);
int err = -ENODEV;
- struct file_operations *old_fops;
+ const struct file_operations *old_fops;
DRM_DEBUG("\n");
diff --git a/drivers/char/drm/i810_dma.c b/drivers/char/drm/i810_dma.c
index ae0aa6d..c658dde 100644
--- a/drivers/char/drm/i810_dma.c
+++ b/drivers/char/drm/i810_dma.c
@@ -126,7 +126,7 @@
drm_device_t *dev = priv->head->dev;
drm_i810_buf_priv_t *buf_priv = buf->dev_private;
drm_i810_private_t *dev_priv = dev->dev_private;
- struct file_operations *old_fops;
+ const struct file_operations *old_fops;
int retcode = 0;
if (buf_priv->currently_mapped == I810_BUF_MAPPED)
diff --git a/drivers/char/drm/i830_dma.c b/drivers/char/drm/i830_dma.c
index 163f2cb..b0f815d 100644
--- a/drivers/char/drm/i830_dma.c
+++ b/drivers/char/drm/i830_dma.c
@@ -128,7 +128,7 @@
drm_device_t *dev = priv->head->dev;
drm_i830_buf_priv_t *buf_priv = buf->dev_private;
drm_i830_private_t *dev_priv = dev->dev_private;
- struct file_operations *old_fops;
+ const struct file_operations *old_fops;
unsigned long virtual;
int retcode = 0;
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 5245ba1..66719f9 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -899,7 +899,7 @@
unsigned int minor;
char *name;
umode_t mode;
- struct file_operations *fops;
+ const struct file_operations *fops;
} devlist[] = { /* list of minor devices */
{1, "mem", S_IRUSR | S_IWUSR | S_IRGRP, &mem_fops},
{2, "kmem", S_IRUSR | S_IWUSR | S_IRGRP, &kmem_fops},
diff --git a/drivers/char/misc.c b/drivers/char/misc.c
index 3e4c041..96eb2a7 100644
--- a/drivers/char/misc.c
+++ b/drivers/char/misc.c
@@ -129,7 +129,7 @@
int minor = iminor(inode);
struct miscdevice *c;
int err = -ENODEV;
- struct file_operations *old_fops, *new_fops = NULL;
+ const struct file_operations *old_fops, *new_fops = NULL;
down(&misc_sem);
diff --git a/drivers/char/mxser.h b/drivers/char/mxser.h
index e7fd0b0..7e188a4 100644
--- a/drivers/char/mxser.h
+++ b/drivers/char/mxser.h
@@ -118,7 +118,7 @@
// enable CTS interrupt
#define MOXA_MUST_IER_ECTSI 0x80
-// eanble RTS interrupt
+// enable RTS interrupt
#define MOXA_MUST_IER_ERTSI 0x40
// enable Xon/Xoff interrupt
#define MOXA_MUST_IER_XINT 0x20
diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c
index d68be61..fee2aca 100644
--- a/drivers/char/synclink.c
+++ b/drivers/char/synclink.c
@@ -941,17 +941,6 @@
return mgsl_get_text_ptr;
}
-/*
- * tmp_buf is used as a temporary buffer by mgsl_write. We need to
- * lock it in case the COPY_FROM_USER blocks while swapping in a page,
- * and some other program tries to do a serial write at the same time.
- * Since the lock will only come under contention when the system is
- * swapping and available memory is low, it makes sense to share one
- * buffer across all the serial ioports, since it significantly saves
- * memory if large numbers of serial ports are open.
- */
-static unsigned char *tmp_buf;
-
static inline int mgsl_paranoia_check(struct mgsl_struct *info,
char *name, const char *routine)
{
@@ -2150,7 +2139,7 @@
if (mgsl_paranoia_check(info, tty->name, "mgsl_write"))
goto cleanup;
- if (!tty || !info->xmit_buf || !tmp_buf)
+ if (!tty || !info->xmit_buf)
goto cleanup;
if ( info->params.mode == MGSL_MODE_HDLC ||
@@ -3438,7 +3427,6 @@
{
struct mgsl_struct *info;
int retval, line;
- unsigned long page;
unsigned long flags;
/* verify range of specified line number */
@@ -3472,18 +3460,6 @@
goto cleanup;
}
- if (!tmp_buf) {
- page = get_zeroed_page(GFP_KERNEL);
- if (!page) {
- retval = -ENOMEM;
- goto cleanup;
- }
- if (tmp_buf)
- free_page(page);
- else
- tmp_buf = (unsigned char *) page;
- }
-
info->tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
spin_lock_irqsave(&info->netlock, flags);
@@ -4502,11 +4478,6 @@
kfree(tmp);
}
- if (tmp_buf) {
- free_page((unsigned long) tmp_buf);
- tmp_buf = NULL;
- }
-
if (pci_registered)
pci_unregister_driver(&synclink_pci_driver);
}
@@ -6025,7 +5996,7 @@
* <15..8> ? RxFIFO IRQ Request Level
*
* Note: For async mode the receive FIFO level must be set
- * to 0 to aviod the situation where the FIFO contains fewer bytes
+ * to 0 to avoid the situation where the FIFO contains fewer bytes
* than the trigger level and no more data is expected.
*
* <7> 0 Exited Hunt IA (Interrupt Arm)
diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c
index 738ec2f..b4d1f4e 100644
--- a/drivers/char/synclink_gt.c
+++ b/drivers/char/synclink_gt.c
@@ -1,5 +1,5 @@
/*
- * $Id: synclink_gt.c,v 4.22 2006/01/09 20:16:06 paulkf Exp $
+ * $Id: synclink_gt.c,v 4.25 2006/02/06 21:20:33 paulkf Exp $
*
* Device driver for Microgate SyncLink GT serial adapters.
*
@@ -92,7 +92,7 @@
* module identification
*/
static char *driver_name = "SyncLink GT";
-static char *driver_version = "$Revision: 4.22 $";
+static char *driver_version = "$Revision: 4.25 $";
static char *tty_driver_name = "synclink_gt";
static char *tty_dev_prefix = "ttySLG";
MODULE_LICENSE("GPL");
@@ -188,6 +188,20 @@
#define SLGT_REG_SIZE 256
/*
+ * conditional wait facility
+ */
+struct cond_wait {
+ struct cond_wait *next;
+ wait_queue_head_t q;
+ wait_queue_t wait;
+ unsigned int data;
+};
+static void init_cond_wait(struct cond_wait *w, unsigned int data);
+static void add_cond_wait(struct cond_wait **head, struct cond_wait *w);
+static void remove_cond_wait(struct cond_wait **head, struct cond_wait *w);
+static void flush_cond_wait(struct cond_wait **head);
+
+/*
* DMA buffer descriptor and access macros
*/
struct slgt_desc
@@ -269,6 +283,9 @@
struct timer_list tx_timer;
struct timer_list rx_timer;
+ unsigned int gpio_present;
+ struct cond_wait *gpio_wait_q;
+
spinlock_t lock; /* spinlock for synchronizing with ISR */
struct work_struct task;
@@ -379,6 +396,11 @@
#define MASK_OVERRUN BIT4
#define GSR 0x00 /* global status */
+#define JCR 0x04 /* JTAG control */
+#define IODR 0x08 /* GPIO direction */
+#define IOER 0x0c /* GPIO interrupt enable */
+#define IOVR 0x10 /* GPIO value */
+#define IOSR 0x14 /* GPIO interrupt status */
#define TDR 0x80 /* tx data */
#define RDR 0x80 /* rx data */
#define TCR 0x82 /* tx control */
@@ -503,6 +525,9 @@
static void set_break(struct tty_struct *tty, int break_state);
static int get_interface(struct slgt_info *info, int __user *if_mode);
static int set_interface(struct slgt_info *info, int if_mode);
+static int set_gpio(struct slgt_info *info, struct gpio_desc __user *gpio);
+static int get_gpio(struct slgt_info *info, struct gpio_desc __user *gpio);
+static int wait_gpio(struct slgt_info *info, struct gpio_desc __user *gpio);
/*
* driver functions
@@ -1112,6 +1137,12 @@
return get_interface(info, argp);
case MGSL_IOCSIF:
return set_interface(info,(int)arg);
+ case MGSL_IOCSGPIO:
+ return set_gpio(info, argp);
+ case MGSL_IOCGGPIO:
+ return get_gpio(info, argp);
+ case MGSL_IOCWAITGPIO:
+ return wait_gpio(info, argp);
case TIOCGICOUNT:
spin_lock_irqsave(&info->lock,flags);
cnow = info->icount;
@@ -1762,10 +1793,6 @@
DBGDATA(info, p, count, "rx");
for(i=0 ; i < count; i+=2, p+=2) {
- if (tty && chars) {
- tty_flip_buffer_push(tty);
- chars = 0;
- }
ch = *p;
icount->rx++;
@@ -2158,6 +2185,24 @@
}
}
+static void isr_gpio(struct slgt_info *info, unsigned int changed, unsigned int state)
+{
+ struct cond_wait *w, *prev;
+
+ /* wake processes waiting for specific transitions */
+ for (w = info->gpio_wait_q, prev = NULL ; w != NULL ; w = w->next) {
+ if (w->data & changed) {
+ w->data = state;
+ wake_up_interruptible(&w->q);
+ if (prev != NULL)
+ prev->next = w->next;
+ else
+ info->gpio_wait_q = w->next;
+ } else
+ prev = w;
+ }
+}
+
/* interrupt service routine
*
* irq interrupt number
@@ -2193,6 +2238,22 @@
}
}
+ if (info->gpio_present) {
+ unsigned int state;
+ unsigned int changed;
+ while ((changed = rd_reg32(info, IOSR)) != 0) {
+ DBGISR(("%s iosr=%08x\n", info->device_name, changed));
+ /* read latched state of GPIO signals */
+ state = rd_reg32(info, IOVR);
+ /* clear pending GPIO interrupt bits */
+ wr_reg32(info, IOSR, changed);
+ for (i=0 ; i < info->port_count ; i++) {
+ if (info->port_array[i] != NULL)
+ isr_gpio(info->port_array[i], changed, state);
+ }
+ }
+ }
+
for(i=0; i < info->port_count ; i++) {
struct slgt_info *port = info->port_array[i];
@@ -2276,6 +2337,8 @@
set_signals(info);
}
+ flush_cond_wait(&info->gpio_wait_q);
+
spin_unlock_irqrestore(&info->lock,flags);
if (info->tty)
@@ -2650,6 +2713,175 @@
return 0;
}
+/*
+ * set general purpose IO pin state and direction
+ *
+ * user_gpio fields:
+ * state each bit indicates a pin state
+ * smask set bit indicates pin state to set
+ * dir each bit indicates a pin direction (0=input, 1=output)
+ * dmask set bit indicates pin direction to set
+ */
+static int set_gpio(struct slgt_info *info, struct gpio_desc __user *user_gpio)
+{
+ unsigned long flags;
+ struct gpio_desc gpio;
+ __u32 data;
+
+ if (!info->gpio_present)
+ return -EINVAL;
+ if (copy_from_user(&gpio, user_gpio, sizeof(gpio)))
+ return -EFAULT;
+ DBGINFO(("%s set_gpio state=%08x smask=%08x dir=%08x dmask=%08x\n",
+ info->device_name, gpio.state, gpio.smask,
+ gpio.dir, gpio.dmask));
+
+ spin_lock_irqsave(&info->lock,flags);
+ if (gpio.dmask) {
+ data = rd_reg32(info, IODR);
+ data |= gpio.dmask & gpio.dir;
+ data &= ~(gpio.dmask & ~gpio.dir);
+ wr_reg32(info, IODR, data);
+ }
+ if (gpio.smask) {
+ data = rd_reg32(info, IOVR);
+ data |= gpio.smask & gpio.state;
+ data &= ~(gpio.smask & ~gpio.state);
+ wr_reg32(info, IOVR, data);
+ }
+ spin_unlock_irqrestore(&info->lock,flags);
+
+ return 0;
+}
+
+/*
+ * get general purpose IO pin state and direction
+ */
+static int get_gpio(struct slgt_info *info, struct gpio_desc __user *user_gpio)
+{
+ struct gpio_desc gpio;
+ if (!info->gpio_present)
+ return -EINVAL;
+ gpio.state = rd_reg32(info, IOVR);
+ gpio.smask = 0xffffffff;
+ gpio.dir = rd_reg32(info, IODR);
+ gpio.dmask = 0xffffffff;
+ if (copy_to_user(user_gpio, &gpio, sizeof(gpio)))
+ return -EFAULT;
+ DBGINFO(("%s get_gpio state=%08x dir=%08x\n",
+ info->device_name, gpio.state, gpio.dir));
+ return 0;
+}
+
+/*
+ * conditional wait facility
+ */
+static void init_cond_wait(struct cond_wait *w, unsigned int data)
+{
+ init_waitqueue_head(&w->q);
+ init_waitqueue_entry(&w->wait, current);
+ w->data = data;
+}
+
+static void add_cond_wait(struct cond_wait **head, struct cond_wait *w)
+{
+ set_current_state(TASK_INTERRUPTIBLE);
+ add_wait_queue(&w->q, &w->wait);
+ w->next = *head;
+ *head = w;
+}
+
+static void remove_cond_wait(struct cond_wait **head, struct cond_wait *cw)
+{
+ struct cond_wait *w, *prev;
+ remove_wait_queue(&cw->q, &cw->wait);
+ set_current_state(TASK_RUNNING);
+ for (w = *head, prev = NULL ; w != NULL ; prev = w, w = w->next) {
+ if (w == cw) {
+ if (prev != NULL)
+ prev->next = w->next;
+ else
+ *head = w->next;
+ break;
+ }
+ }
+}
+
+static void flush_cond_wait(struct cond_wait **head)
+{
+ while (*head != NULL) {
+ wake_up_interruptible(&(*head)->q);
+ *head = (*head)->next;
+ }
+}
+
+/*
+ * wait for general purpose I/O pin(s) to enter specified state
+ *
+ * user_gpio fields:
+ * state - bit indicates target pin state
+ * smask - set bit indicates watched pin
+ *
+ * The wait ends when at least one watched pin enters the specified
+ * state. When 0 (no error) is returned, user_gpio->state is set to the
+ * state of all GPIO pins when the wait ends.
+ *
+ * Note: Each pin may be a dedicated input, dedicated output, or
+ * configurable input/output. The number and configuration of pins
+ * varies with the specific adapter model. Only input pins (dedicated
+ * or configured) can be monitored with this function.
+ */
+static int wait_gpio(struct slgt_info *info, struct gpio_desc __user *user_gpio)
+{
+ unsigned long flags;
+ int rc = 0;
+ struct gpio_desc gpio;
+ struct cond_wait wait;
+ u32 state;
+
+ if (!info->gpio_present)
+ return -EINVAL;
+ if (copy_from_user(&gpio, user_gpio, sizeof(gpio)))
+ return -EFAULT;
+ DBGINFO(("%s wait_gpio() state=%08x smask=%08x\n",
+ info->device_name, gpio.state, gpio.smask));
+ /* ignore output pins identified by set IODR bit */
+ if ((gpio.smask &= ~rd_reg32(info, IODR)) == 0)
+ return -EINVAL;
+ init_cond_wait(&wait, gpio.smask);
+
+ spin_lock_irqsave(&info->lock, flags);
+ /* enable interrupts for watched pins */
+ wr_reg32(info, IOER, rd_reg32(info, IOER) | gpio.smask);
+ /* get current pin states */
+ state = rd_reg32(info, IOVR);
+
+ if (gpio.smask & ~(state ^ gpio.state)) {
+ /* already in target state */
+ gpio.state = state;
+ } else {
+ /* wait for target state */
+ add_cond_wait(&info->gpio_wait_q, &wait);
+ spin_unlock_irqrestore(&info->lock, flags);
+ schedule();
+ if (signal_pending(current))
+ rc = -ERESTARTSYS;
+ else
+ gpio.state = wait.data;
+ spin_lock_irqsave(&info->lock, flags);
+ remove_cond_wait(&info->gpio_wait_q, &wait);
+ }
+
+ /* disable all GPIO interrupts if no waiting processes */
+ if (info->gpio_wait_q == NULL)
+ wr_reg32(info, IOER, 0);
+ spin_unlock_irqrestore(&info->lock,flags);
+
+ if ((rc == 0) && copy_to_user(user_gpio, &gpio, sizeof(gpio)))
+ rc = -EFAULT;
+ return rc;
+}
+
static int modem_input_wait(struct slgt_info *info,int arg)
{
unsigned long flags;
@@ -3166,8 +3398,10 @@
} else {
port_array[0]->irq_requested = 1;
adapter_test(port_array[0]);
- for (i=1 ; i < port_count ; i++)
+ for (i=1 ; i < port_count ; i++) {
port_array[i]->init_error = port_array[0]->init_error;
+ port_array[i]->gpio_present = port_array[0]->gpio_present;
+ }
}
}
}
@@ -4301,7 +4535,7 @@
break;
}
}
-
+ info->gpio_present = (rd_reg32(info, JCR) & BIT5) ? 1 : 0;
info->init_error = rc ? 0 : DiagStatus_AddressFailure;
return rc;
}
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index 905f58b..ea06e3a 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -2044,7 +2044,7 @@
*/
clear_pci_parity_errors();
- /* Create the MC sysfs entires */
+ /* Create the MC sysfs entries */
if (edac_sysfs_memctrl_setup()) {
edac_printk(KERN_ERR, EDAC_MC,
"Error initializing sysfs code\n");
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index ebc5906..f04791a 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -433,6 +433,7 @@
#include <linux/timer.h>
#include <linux/mm.h>
#include <linux/interrupt.h>
+#include <linux/jiffies.h>
#include <linux/major.h>
#include <linux/devfs_fs_kernel.h>
#include <linux/errno.h>
@@ -2336,7 +2337,7 @@
}
if (time_after(jiffies, tape->insert_time))
tape->insert_speed = tape->insert_size / 1024 * HZ / (jiffies - tape->insert_time);
- if (jiffies - tape->avg_time >= HZ) {
+ if (time_after_eq(jiffies, tape->avg_time + HZ)) {
tape->avg_speed = tape->avg_size * HZ / (jiffies - tape->avg_time) / 1024;
tape->avg_size = 0;
tape->avg_time = jiffies;
@@ -2497,7 +2498,7 @@
} else {
return ide_do_reset(drive);
}
- } else if (jiffies - tape->dsc_polling_start > IDETAPE_DSC_MA_THRESHOLD)
+ } else if (time_after(jiffies, tape->dsc_polling_start + IDETAPE_DSC_MA_THRESHOLD))
tape->dsc_polling_frequency = IDETAPE_DSC_MA_SLOW;
idetape_postpone_request(drive);
return ide_stopped;
diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c
index 21965e5..b22ee54 100644
--- a/drivers/ide/pci/amd74xx.c
+++ b/drivers/ide/pci/amd74xx.c
@@ -347,10 +347,8 @@
break;
case AMD_UDMA_66:
- pci_read_config_dword(dev, AMD_UDMA_TIMING, &u);
- for (i = 24; i >= 0; i -= 8)
- if ((u >> i) & 4)
- amd_80w |= (1 << (1 - (i >> 4)));
+ /* no host side cable detection */
+ amd_80w = 0x03;
break;
}
@@ -386,8 +384,6 @@
if (amd_clock < 20000 || amd_clock > 50000) {
printk(KERN_WARNING "%s: User given PCI clock speed impossible (%d), using 33 MHz instead.\n",
amd_chipset->name, amd_clock);
- printk(KERN_WARNING "%s: Use ide0=ata66 if you want to assume 80-wire cable\n",
- amd_chipset->name);
amd_clock = 33333;
}
diff --git a/drivers/ide/pci/generic.c b/drivers/ide/pci/generic.c
index 6e3ab0c..f82e821 100644
--- a/drivers/ide/pci/generic.c
+++ b/drivers/ide/pci/generic.c
@@ -41,14 +41,15 @@
static int ide_generic_all; /* Set to claim all devices */
+#ifndef MODULE
static int __init ide_generic_all_on(char *unused)
{
ide_generic_all = 1;
printk(KERN_INFO "IDE generic will claim all unknown PCI IDE storage controllers.\n");
return 1;
}
-
__setup("all-generic-ide", ide_generic_all_on);
+#endif
static void __devinit init_hwif_generic (ide_hwif_t *hwif)
{
diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c
index 75a2253..8e9d877 100644
--- a/drivers/ide/pci/sis5513.c
+++ b/drivers/ide/pci/sis5513.c
@@ -112,6 +112,7 @@
{ "SiS5596", PCI_DEVICE_ID_SI_5596, ATA_16 },
{ "SiS5571", PCI_DEVICE_ID_SI_5571, ATA_16 },
+ { "SiS5517", PCI_DEVICE_ID_SI_5517, ATA_16 },
{ "SiS551x", PCI_DEVICE_ID_SI_5511, ATA_16 },
};
@@ -524,6 +525,7 @@
case 3: test1 = 0x30|0x03; break;
case 2: test1 = 0x40|0x04; break;
case 1: test1 = 0x60|0x07; break;
+ case 0: test1 = 0x00; break;
default: break;
}
pci_write_config_byte(dev, drive_pci, test1);
diff --git a/drivers/input/input.c b/drivers/input/input.c
index 4fe3da3..f8af094 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -923,7 +923,7 @@
static int input_open_file(struct inode *inode, struct file *file)
{
struct input_handler *handler = input_table[iminor(inode) >> 5];
- struct file_operations *old_fops, *new_fops = NULL;
+ const struct file_operations *old_fops, *new_fops = NULL;
int err;
/* No load-on-demand here? */
diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
index 623adbb..9b493f0 100644
--- a/drivers/isdn/capi/capi.c
+++ b/drivers/isdn/capi/capi.c
@@ -1485,6 +1485,7 @@
{
char *p;
char *compileinfo;
+ int major_ret;
if ((p = strchr(revision, ':')) != 0 && p[1]) {
strlcpy(rev, p + 2, sizeof(rev));
@@ -1493,11 +1494,12 @@
} else
strcpy(rev, "1.0");
- if (register_chrdev(capi_major, "capi20", &capi_fops)) {
+ major_ret = register_chrdev(capi_major, "capi20", &capi_fops);
+ if (major_ret < 0) {
printk(KERN_ERR "capi20: unable to get major %d\n", capi_major);
- return -EIO;
+ return major_ret;
}
-
+ capi_major = major_ret;
capi_class = class_create(THIS_MODULE, "capi");
if (IS_ERR(capi_class)) {
unregister_chrdev(capi_major, "capi20");
diff --git a/drivers/isdn/capi/kcapi_proc.c b/drivers/isdn/capi/kcapi_proc.c
index 2cc8b27..ca9dc00 100644
--- a/drivers/isdn/capi/kcapi_proc.c
+++ b/drivers/isdn/capi/kcapi_proc.c
@@ -233,7 +233,7 @@
};
static void
-create_seq_entry(char *name, mode_t mode, struct file_operations *f)
+create_seq_entry(char *name, mode_t mode, const struct file_operations *f)
{
struct proc_dir_entry *entry;
entry = create_proc_entry(name, mode, NULL);
diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c
index 54f8b95..96fe0ec 100644
--- a/drivers/media/dvb/dvb-core/dvbdev.c
+++ b/drivers/media/dvb/dvb-core/dvbdev.c
@@ -86,7 +86,7 @@
if (dvbdev && dvbdev->fops) {
int err = 0;
- struct file_operations *old_fops;
+ const struct file_operations *old_fops;
file->private_data = dvbdev;
old_fops = file->f_op;
diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c
index 75e3d41..5f87dd5 100644
--- a/drivers/media/video/videodev.c
+++ b/drivers/media/video/videodev.c
@@ -97,7 +97,7 @@
unsigned int minor = iminor(inode);
int err = 0;
struct video_device *vfl;
- struct file_operations *old_fops;
+ const struct file_operations *old_fops;
if(minor>=VIDEO_NUM_DEVICES)
return -ENODEV;
diff --git a/drivers/message/i2o/i2o_proc.c b/drivers/message/i2o/i2o_proc.c
index 2a0c42b..3d2e76e 100644
--- a/drivers/message/i2o/i2o_proc.c
+++ b/drivers/message/i2o/i2o_proc.c
@@ -56,7 +56,7 @@
typedef struct _i2o_proc_entry_t {
char *name; /* entry name */
mode_t mode; /* mode */
- struct file_operations *fops; /* open function */
+ const struct file_operations *fops; /* open function */
} i2o_proc_entry;
/* global I2O /proc/i2o entry */
diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c
index 5c550fc..26a230b 100644
--- a/drivers/misc/ibmasm/ibmasmfs.c
+++ b/drivers/misc/ibmasm/ibmasmfs.c
@@ -101,7 +101,7 @@
.drop_inode = generic_delete_inode,
};
-static struct file_operations *ibmasmfs_dir_ops = &simple_dir_operations;
+static const struct file_operations *ibmasmfs_dir_ops = &simple_dir_operations;
static struct file_system_type ibmasmfs_type = {
.owner = THIS_MODULE,
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index e7fc28b..7627a75 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -134,6 +134,7 @@
#include <linux/random.h>
#include <linux/init.h>
#include <linux/if_vlan.h>
+#include <linux/dma-mapping.h>
#include <asm/irq.h>
#include <asm/io.h>
@@ -2932,7 +2933,7 @@
if (id->driver_data & DEV_HAS_HIGH_DMA) {
/* packet format 3: supports 40-bit addressing */
np->desc_ver = DESC_VER_3;
- if (pci_set_dma_mask(pci_dev, 0x0000007fffffffffULL)) {
+ if (pci_set_dma_mask(pci_dev, DMA_39BIT_MASK)) {
printk(KERN_INFO "forcedeth: 64-bit DMA failed, using 32-bit addressing for device %s.\n",
pci_name(pci_dev));
} else {
diff --git a/drivers/net/ioc3-eth.c b/drivers/net/ioc3-eth.c
index 9b8295e..ae71ed5 100644
--- a/drivers/net/ioc3-eth.c
+++ b/drivers/net/ioc3-eth.c
@@ -44,6 +44,7 @@
#include <linux/ip.h>
#include <linux/tcp.h>
#include <linux/udp.h>
+#include <linux/dma-mapping.h>
#ifdef CONFIG_SERIAL_8250
#include <linux/serial_core.h>
@@ -1195,17 +1196,17 @@
int err, pci_using_dac;
/* Configure DMA attributes. */
- err = pci_set_dma_mask(pdev, 0xffffffffffffffffULL);
+ err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
if (!err) {
pci_using_dac = 1;
- err = pci_set_consistent_dma_mask(pdev, 0xffffffffffffffffULL);
+ err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
if (err < 0) {
printk(KERN_ERR "%s: Unable to obtain 64 bit DMA "
"for consistent allocations\n", pci_name(pdev));
goto out;
}
} else {
- err = pci_set_dma_mask(pdev, 0xffffffffULL);
+ err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
if (err) {
printk(KERN_ERR "%s: No usable DMA configuration, "
"aborting.\n", pci_name(pdev));
diff --git a/drivers/net/irda/nsc-ircc.c b/drivers/net/irda/nsc-ircc.c
index 9aa074b..cc7ff8f 100644
--- a/drivers/net/irda/nsc-ircc.c
+++ b/drivers/net/irda/nsc-ircc.c
@@ -812,7 +812,7 @@
int cfg_base = info->cfg_base;
int enabled;
- /* User is shure about his config... accept it. */
+ /* User is sure about his config... accept it. */
IRDA_DEBUG(2, "%s(): nsc_ircc_init_39x (user settings): "
"io=0x%04x, irq=%d, dma=%d\n",
__FUNCTION__, info->fir_base, info->irq, info->dma);
diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index 0c13795..b79d6e8 100644
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -172,7 +172,7 @@
memset(stats, 0, sizeof(struct net_device_stats));
- for_each_cpu(i) {
+ for_each_possible_cpu(i) {
struct net_device_stats *lb_stats;
lb_stats = &per_cpu(loopback_stats, i);
diff --git a/drivers/net/ns83820.c b/drivers/net/ns83820.c
index 0fede50a..8e9b1a5 100644
--- a/drivers/net/ns83820.c
+++ b/drivers/net/ns83820.c
@@ -1828,10 +1828,10 @@
int using_dac = 0;
/* See if we can set the dma mask early on; failure is fatal. */
- if (sizeof(dma_addr_t) == 8 &&
- !pci_set_dma_mask(pci_dev, 0xffffffffffffffffULL)) {
+ if (sizeof(dma_addr_t) == 8 &&
+ !pci_set_dma_mask(pci_dev, DMA_64BIT_MASK)) {
using_dac = 1;
- } else if (!pci_set_dma_mask(pci_dev, 0xffffffff)) {
+ } else if (!pci_set_dma_mask(pci_dev, DMA_32BIT_MASK)) {
using_dac = 0;
} else {
printk(KERN_WARNING "ns83820.c: pci_set_dma_mask failed!\n");
diff --git a/drivers/net/sis900.c b/drivers/net/sis900.c
index 8429ceb..b82191d 100644
--- a/drivers/net/sis900.c
+++ b/drivers/net/sis900.c
@@ -2283,7 +2283,7 @@
int i, table_entries;
u32 rx_mode;
- /* 635 Hash Table entires = 256(2^16) */
+ /* 635 Hash Table entries = 256(2^16) */
if((sis_priv->chipset_rev >= SIS635A_900_REV) ||
(sis_priv->chipset_rev == SIS900B_900_REV))
table_entries = 16;
diff --git a/drivers/net/tulip/de4x5.c b/drivers/net/tulip/de4x5.c
index ee48bfd..d1a86a0 100644
--- a/drivers/net/tulip/de4x5.c
+++ b/drivers/net/tulip/de4x5.c
@@ -513,7 +513,7 @@
u_char *rst; /* Start of reset sequence in SROM */
u_int mc; /* Media Capabilities */
u_int ana; /* NWay Advertisement */
- u_int fdx; /* Full DupleX capabilites for each media */
+ u_int fdx; /* Full DupleX capabilities for each media */
u_int ttm; /* Transmit Threshold Mode for each media */
u_int mci; /* 21142 MII Connector Interrupt info */
};
diff --git a/drivers/net/tulip/pnic2.c b/drivers/net/tulip/pnic2.c
index 55f4a9a..ab98502 100644
--- a/drivers/net/tulip/pnic2.c
+++ b/drivers/net/tulip/pnic2.c
@@ -199,7 +199,7 @@
/* negotiation ended successfully */
/* get the link partners reply and mask out all but
- * bits 24-21 which show the partners capabilites
+ * bits 24-21 which show the partners capabilities
* and match those to what we advertised
*
* then begin to interpret the results of the negotiation.
diff --git a/drivers/net/typhoon.c b/drivers/net/typhoon.c
index cde35dd..c1ce87a 100644
--- a/drivers/net/typhoon.c
+++ b/drivers/net/typhoon.c
@@ -208,7 +208,7 @@
};
/* Notes on the new subsystem numbering scheme:
- * bits 0-1 indicate crypto capabilites: (0) variable, (1) DES, or (2) 3DES
+ * bits 0-1 indicate crypto capabilities: (0) variable, (1) DES, or (2) 3DES
* bit 4 indicates if this card has secured firmware (we don't support it)
* bit 8 indicates if this is a (0) copper or (1) fiber card
* bits 12-16 indicate card type: (0) client and (1) server
@@ -788,7 +788,7 @@
/* we have two rings to choose from, but we only use txLo for now
* If we start using the Hi ring as well, we'll need to update
* typhoon_stop_runtime(), typhoon_interrupt(), typhoon_num_free_tx(),
- * and TXHI_ENTIRES to match, as well as update the TSO code below
+ * and TXHI_ENTRIES to match, as well as update the TSO code below
* to get the right DMA address
*/
txRing = &tp->txLoRing;
diff --git a/drivers/net/wan/wanxl.c b/drivers/net/wan/wanxl.c
index 9d3b51c..29a756d 100644
--- a/drivers/net/wan/wanxl.c
+++ b/drivers/net/wan/wanxl.c
@@ -577,8 +577,8 @@
We set both dma_mask and consistent_dma_mask to 28 bits
and pray pci_alloc_consistent() will use this info. It should
work on most platforms */
- if (pci_set_consistent_dma_mask(pdev, 0x0FFFFFFF) ||
- pci_set_dma_mask(pdev, 0x0FFFFFFF)) {
+ if (pci_set_consistent_dma_mask(pdev, DMA_28BIT_MASK) ||
+ pci_set_dma_mask(pdev, DMA_28BIT_MASK)) {
printk(KERN_ERR "wanXL: No usable DMA configuration\n");
return -EIO;
}
diff --git a/drivers/net/wireless/orinoco.c b/drivers/net/wireless/orinoco.c
index 6fd0bf7..8dfdfbd 100644
--- a/drivers/net/wireless/orinoco.c
+++ b/drivers/net/wireless/orinoco.c
@@ -3858,7 +3858,7 @@
unsigned long flags;
/* Note : you may have realised that, as this is a SET operation,
- * this is priviledged and therefore a normal user can't
+ * this is privileged and therefore a normal user can't
* perform scanning.
* This is not an error, while the device perform scanning,
* traffic doesn't flow, so it's a perfect DoS...
diff --git a/drivers/net/wireless/prism54/isl_ioctl.c b/drivers/net/wireless/prism54/isl_ioctl.c
index e5bb9f5..989599a 100644
--- a/drivers/net/wireless/prism54/isl_ioctl.c
+++ b/drivers/net/wireless/prism54/isl_ioctl.c
@@ -747,7 +747,7 @@
if (essid->length) {
dwrq->flags = 1; /* set ESSID to ON for Wireless Extensions */
- /* if it is to big, trunk it */
+ /* if it is too big, trunk it */
dwrq->length = min((u8)IW_ESSID_MAX_SIZE, essid->length);
} else {
dwrq->flags = 0;
diff --git a/drivers/net/wireless/prism54/islpci_hotplug.c b/drivers/net/wireless/prism54/islpci_hotplug.c
index b41d666..bfa0cc3 100644
--- a/drivers/net/wireless/prism54/islpci_hotplug.c
+++ b/drivers/net/wireless/prism54/islpci_hotplug.c
@@ -22,6 +22,7 @@
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/init.h> /* For __init, __exit */
+#include <linux/dma-mapping.h>
#include "prismcompat.h"
#include "islpci_dev.h"
@@ -124,7 +125,7 @@
}
/* enable PCI DMA */
- if (pci_set_dma_mask(pdev, 0xffffffff)) {
+ if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
printk(KERN_ERR "%s: 32-bit PCI DMA not supported", DRV_NAME);
goto do_pci_disable_device;
}
diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c
index 330d386..fc4bc9b 100644
--- a/drivers/oprofile/cpu_buffer.c
+++ b/drivers/oprofile/cpu_buffer.c
@@ -217,11 +217,10 @@
cpu_buf->tracing = 0;
}
-void oprofile_add_sample(struct pt_regs * const regs, unsigned long event)
+void oprofile_add_ext_sample(unsigned long pc, struct pt_regs * const regs,
+ unsigned long event, int is_kernel)
{
struct oprofile_cpu_buffer * cpu_buf = &cpu_buffer[smp_processor_id()];
- unsigned long pc = profile_pc(regs);
- int is_kernel = !user_mode(regs);
if (!backtrace_depth) {
log_sample(cpu_buf, pc, is_kernel, event);
@@ -238,6 +237,14 @@
oprofile_end_trace(cpu_buf);
}
+void oprofile_add_sample(struct pt_regs * const regs, unsigned long event)
+{
+ int is_kernel = !user_mode(regs);
+ unsigned long pc = profile_pc(regs);
+
+ oprofile_add_ext_sample(pc, regs, event, is_kernel);
+}
+
void oprofile_add_pc(unsigned long pc, int is_kernel, unsigned long event)
{
struct oprofile_cpu_buffer * cpu_buf = &cpu_buffer[smp_processor_id()];
diff --git a/drivers/oprofile/oprofile_stats.c b/drivers/oprofile/oprofile_stats.c
index e94b1e4..f0acb66 100644
--- a/drivers/oprofile/oprofile_stats.c
+++ b/drivers/oprofile/oprofile_stats.c
@@ -22,7 +22,7 @@
struct oprofile_cpu_buffer * cpu_buf;
int i;
- for_each_cpu(i) {
+ for_each_possible_cpu(i) {
cpu_buf = &cpu_buffer[i];
cpu_buf->sample_received = 0;
cpu_buf->sample_lost_overflow = 0;
@@ -46,7 +46,7 @@
if (!dir)
return;
- for_each_cpu(i) {
+ for_each_possible_cpu(i) {
cpu_buf = &cpu_buffer[i];
snprintf(buf, 10, "cpu%d", i);
cpudir = oprofilefs_mkdir(sb, dir, buf);
diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
index d6bae69..b62da9b 100644
--- a/drivers/oprofile/oprofilefs.c
+++ b/drivers/oprofile/oprofilefs.c
@@ -130,7 +130,7 @@
static struct dentry * __oprofilefs_create_file(struct super_block * sb,
- struct dentry * root, char const * name, struct file_operations * fops,
+ struct dentry * root, char const * name, const struct file_operations * fops,
int perm)
{
struct dentry * dentry;
@@ -203,7 +203,7 @@
int oprofilefs_create_file(struct super_block * sb, struct dentry * root,
- char const * name, struct file_operations * fops)
+ char const * name, const struct file_operations * fops)
{
if (!__oprofilefs_create_file(sb, root, name, fops, 0644))
return -EFAULT;
@@ -212,7 +212,7 @@
int oprofilefs_create_file_perm(struct super_block * sb, struct dentry * root,
- char const * name, struct file_operations * fops, int perm)
+ char const * name, const struct file_operations * fops, int perm)
{
if (!__oprofilefs_create_file(sb, root, name, fops, perm))
return -EFAULT;
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index 0ab26d0..0d2b447 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -1026,7 +1026,7 @@
tw_dev->free_tail = (tw_dev->free_tail + 1) % TW_Q_LENGTH;
} /* End twa_free_request_id() */
-/* This function will get parameter table entires from the firmware */
+/* This function will get parameter table entries from the firmware */
static void *twa_get_param(TW_Device_Extension *tw_dev, int request_id, int table_id, int parameter_id, int parameter_size_bytes)
{
TW_Command_Full *full_command_packet;
diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c
index 1c45934..bde3d58 100644
--- a/drivers/scsi/BusLogic.c
+++ b/drivers/scsi/BusLogic.c
@@ -41,6 +41,8 @@
#include <linux/stat.h>
#include <linux/pci.h>
#include <linux/spinlock.h>
+#include <linux/jiffies.h>
+#include <linux/dma-mapping.h>
#include <scsi/scsicam.h>
#include <asm/dma.h>
@@ -676,7 +678,7 @@
if (pci_enable_device(PCI_Device))
continue;
- if (pci_set_dma_mask(PCI_Device, (u64) 0xffffffff))
+ if (pci_set_dma_mask(PCI_Device, DMA_32BIT_MASK ))
continue;
Bus = PCI_Device->bus->number;
@@ -831,7 +833,7 @@
if (pci_enable_device(PCI_Device))
continue;
- if (pci_set_dma_mask(PCI_Device, (u64) 0xffffffff))
+ if (pci_set_dma_mask(PCI_Device, DMA_32BIT_MASK))
continue;
Bus = PCI_Device->bus->number;
@@ -885,7 +887,7 @@
if (pci_enable_device(PCI_Device))
continue;
- if (pci_set_dma_mask(PCI_Device, (u64) 0xffffffff))
+ if (pci_set_dma_mask(PCI_Device, DMA_32BIT_MASK))
continue;
Bus = PCI_Device->bus->number;
@@ -2896,7 +2898,7 @@
*/
if (HostAdapter->ActiveCommands[TargetID] == 0)
HostAdapter->LastSequencePoint[TargetID] = jiffies;
- else if (jiffies - HostAdapter->LastSequencePoint[TargetID] > 4 * HZ) {
+ else if (time_after(jiffies, HostAdapter->LastSequencePoint[TargetID] + 4 * HZ)) {
HostAdapter->LastSequencePoint[TargetID] = jiffies;
QueueTag = BusLogic_OrderedQueueTag;
}
diff --git a/drivers/scsi/a100u2w.c b/drivers/scsi/a100u2w.c
index 9f45ae1..3dce21c 100644
--- a/drivers/scsi/a100u2w.c
+++ b/drivers/scsi/a100u2w.c
@@ -89,6 +89,7 @@
#include <linux/string.h>
#include <linux/ioport.h>
#include <linux/slab.h>
+#include <linux/dma-mapping.h>
#include <asm/io.h>
#include <asm/irq.h>
@@ -1052,7 +1053,7 @@
if (pci_enable_device(pdev))
goto out;
- if (pci_set_dma_mask(pdev, 0xffffffffULL)) {
+ if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
printk(KERN_WARNING "Unable to set 32bit DMA "
"on inia100 adapter, ignoring.\n");
goto out_disable_device;
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index a16f8de..8df4a0e 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -32,6 +32,7 @@
#include <linux/slab.h>
#include <linux/completion.h>
#include <linux/blkdev.h>
+#include <linux/dma-mapping.h>
#include <asm/semaphore.h>
#include <asm/uaccess.h>
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index c259633..7203307 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -45,6 +45,7 @@
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
+#include <linux/dma-mapping.h>
#include <linux/syscalls.h>
#include <linux/delay.h>
#include <linux/smp_lock.h>
@@ -806,8 +807,8 @@
* to driver communication memory to be allocated below 2gig
*/
if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
- if (pci_set_dma_mask(pdev, 0x7FFFFFFFULL) ||
- pci_set_consistent_dma_mask(pdev, 0x7FFFFFFFULL))
+ if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) ||
+ pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK))
goto out;
pci_set_master(pdev);
diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c
index 5227a77..a198d86 100644
--- a/drivers/scsi/atp870u.c
+++ b/drivers/scsi/atp870u.c
@@ -28,6 +28,7 @@
#include <linux/spinlock.h>
#include <linux/pci.h>
#include <linux/blkdev.h>
+#include <linux/dma-mapping.h>
#include <asm/system.h>
#include <asm/io.h>
@@ -2631,7 +2632,7 @@
if (pci_enable_device(pdev))
return -EIO;
- if (!pci_set_dma_mask(pdev, 0xFFFFFFFFUL)) {
+ if (!pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
printk(KERN_INFO "atp870u: use 32bit DMA mask.\n");
} else {
printk(KERN_ERR "atp870u: DMA mask required but not available.\n");
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c
index 6e6b293..b1b704a 100644
--- a/drivers/scsi/dpt_i2o.c
+++ b/drivers/scsi/dpt_i2o.c
@@ -57,6 +57,7 @@
#include <linux/reboot.h>
#include <linux/spinlock.h>
#include <linux/smp_lock.h>
+#include <linux/dma-mapping.h>
#include <linux/timer.h>
#include <linux/string.h>
@@ -906,8 +907,8 @@
}
pci_set_master(pDev);
- if (pci_set_dma_mask(pDev, 0xffffffffffffffffULL) &&
- pci_set_dma_mask(pDev, 0xffffffffULL))
+ if (pci_set_dma_mask(pDev, DMA_64BIT_MASK) &&
+ pci_set_dma_mask(pDev, DMA_32BIT_MASK))
return -EINVAL;
base_addr0_phys = pci_resource_start(pDev,0);
diff --git a/drivers/scsi/eata.c b/drivers/scsi/eata.c
index b3f9de8..059eeee 100644
--- a/drivers/scsi/eata.c
+++ b/drivers/scsi/eata.c
@@ -490,6 +490,7 @@
#include <linux/init.h>
#include <linux/ctype.h>
#include <linux/spinlock.h>
+#include <linux/dma-mapping.h>
#include <asm/byteorder.h>
#include <asm/dma.h>
#include <asm/io.h>
@@ -1426,7 +1427,7 @@
if (ha->pdev) {
pci_set_master(ha->pdev);
- if (pci_set_dma_mask(ha->pdev, 0xffffffff))
+ if (pci_set_dma_mask(ha->pdev, DMA_32BIT_MASK))
printk("%s: warning, pci_set_dma_mask failed.\n",
ha->board_name);
}
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c
index 7f7013e8..d5740bb 100644
--- a/drivers/scsi/gdth.c
+++ b/drivers/scsi/gdth.c
@@ -388,6 +388,7 @@
#include <linux/proc_fs.h>
#include <linux/time.h>
#include <linux/timer.h>
+#include <linux/dma-mapping.h>
#ifdef GDTH_RTC
#include <linux/mc146818rtc.h>
#endif
@@ -4527,15 +4528,15 @@
if (!(ha->cache_feat & ha->raw_feat & ha->screen_feat &GDT_64BIT)||
/* 64-bit DMA only supported from FW >= x.43 */
(!ha->dma64_support)) {
- if (pci_set_dma_mask(pcistr[ctr].pdev, 0xffffffff)) {
+ if (pci_set_dma_mask(pcistr[ctr].pdev, DMA_32BIT_MASK)) {
printk(KERN_WARNING "GDT-PCI %d: Unable to set 32-bit DMA\n", hanum);
err = TRUE;
}
} else {
shp->max_cmd_len = 16;
- if (!pci_set_dma_mask(pcistr[ctr].pdev, 0xffffffffffffffffULL)) {
+ if (!pci_set_dma_mask(pcistr[ctr].pdev, DMA_64BIT_MASK)) {
printk("GDT-PCI %d: 64-bit DMA enabled\n", hanum);
- } else if (pci_set_dma_mask(pcistr[ctr].pdev, 0xffffffff)) {
+ } else if (pci_set_dma_mask(pcistr[ctr].pdev, DMA_32BIT_MASK)) {
printk(KERN_WARNING "GDT-PCI %d: Unable to set 64/32-bit DMA\n", hanum);
err = TRUE;
}
diff --git a/drivers/scsi/initio.c b/drivers/scsi/initio.c
index ea6f3c0..0cc7f65 100644
--- a/drivers/scsi/initio.c
+++ b/drivers/scsi/initio.c
@@ -127,6 +127,7 @@
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/jiffies.h>
+#include <linux/dma-mapping.h>
#include <asm/io.h>
#include <scsi/scsi.h>
@@ -2780,7 +2781,7 @@
if (((dRegValue & 0xFF00) >> 8) == 0xFF)
dRegValue = 0;
wBIOS = (wBIOS << 8) + ((UWORD) ((dRegValue & 0xFF00) >> 8));
- if (pci_set_dma_mask(pDev, 0xffffffff)) {
+ if (pci_set_dma_mask(pDev, DMA_32BIT_MASK)) {
printk(KERN_WARNING
"i91u: Could not set 32 bit DMA mask\n");
continue;
diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c
index 481708d..a4c0b04 100644
--- a/drivers/scsi/ips.c
+++ b/drivers/scsi/ips.c
@@ -179,6 +179,7 @@
#include <linux/blkdev.h>
#include <linux/types.h>
+#include <linux/dma-mapping.h>
#include <scsi/sg.h>
@@ -7284,10 +7285,10 @@
* are guaranteed to be < 4G.
*/
if (IPS_ENABLE_DMA64 && IPS_HAS_ENH_SGLIST(ha) &&
- !pci_set_dma_mask(ha->pcidev, 0xffffffffffffffffULL)) {
+ !pci_set_dma_mask(ha->pcidev, DMA_64BIT_MASK)) {
(ha)->flags |= IPS_HA_ENH_SG;
} else {
- if (pci_set_dma_mask(ha->pcidev, 0xffffffffULL) != 0) {
+ if (pci_set_dma_mask(ha->pcidev, DMA_32BIT_MASK) != 0) {
printk(KERN_WARNING "Unable to set DMA Mask\n");
return ips_abort_init(ha, index);
}
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 7144674..80b68a2 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -45,6 +45,7 @@
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/init.h>
+#include <linux/dma-mapping.h>
#include <scsi/scsicam.h>
#include "scsi.h"
@@ -2094,7 +2095,7 @@
memcpy(*pdev, adapter->dev, sizeof(struct pci_dev));
- if( pci_set_dma_mask(*pdev, 0xffffffff) != 0 ) {
+ if( pci_set_dma_mask(*pdev, DMA_32BIT_MASK) != 0 ) {
kfree(*pdev);
return -1;
}
@@ -4859,10 +4860,10 @@
/* Set the Mode of addressing to 64 bit if we can */
if ((adapter->flag & BOARD_64BIT) && (sizeof(dma_addr_t) == 8)) {
- pci_set_dma_mask(pdev, 0xffffffffffffffffULL);
+ pci_set_dma_mask(pdev, DMA_64BIT_MASK);
adapter->has_64bit_addr = 1;
} else {
- pci_set_dma_mask(pdev, 0xffffffff);
+ pci_set_dma_mask(pdev, DMA_32BIT_MASK);
adapter->has_64bit_addr = 0;
}
diff --git a/drivers/scsi/nsp32.c b/drivers/scsi/nsp32.c
index a279ebb..30ee0ef 100644
--- a/drivers/scsi/nsp32.c
+++ b/drivers/scsi/nsp32.c
@@ -38,6 +38,7 @@
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/ctype.h>
+#include <linux/dma-mapping.h>
#include <asm/dma.h>
#include <asm/system.h>
@@ -2776,7 +2777,7 @@
/*
* setup DMA
*/
- if (pci_set_dma_mask(PCIDEV, 0xffffffffUL) != 0) {
+ if (pci_set_dma_mask(PCIDEV, DMA_32BIT_MASK) != 0) {
nsp32_msg (KERN_ERR, "failed to set PCI DMA mask");
goto scsi_unregister;
}
diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c
index 66ea47a..e3bd4bc 100644
--- a/drivers/scsi/osst.c
+++ b/drivers/scsi/osst.c
@@ -49,6 +49,7 @@
#include <linux/blkdev.h>
#include <linux/moduleparam.h>
#include <linux/delay.h>
+#include <linux/jiffies.h>
#include <asm/uaccess.h>
#include <asm/dma.h>
#include <asm/system.h>
@@ -856,7 +857,7 @@
) && result >= 0)
{
#if DEBUG
- if (debugging || jiffies - startwait >= 2*HZ/OSST_POLL_PER_SEC)
+ if (debugging || time_after_eq(jiffies, startwait + 2*HZ/OSST_POLL_PER_SEC))
printk (OSST_DEB_MSG
"%s:D: Succ wait f fr %i (>%i): %i-%i %i (%i): %3li.%li s\n",
name, curr, curr+minlast, STp->first_frame_position,
@@ -867,7 +868,7 @@
return 0;
}
#if DEBUG
- if (jiffies - startwait >= 2*HZ/OSST_POLL_PER_SEC && notyetprinted)
+ if (time_after_eq(jiffies, startwait + 2*HZ/OSST_POLL_PER_SEC) && notyetprinted)
{
printk (OSST_DEB_MSG "%s:D: Wait for frame %i (>%i): %i-%i %i (%i)\n",
name, curr, curr+minlast, STp->first_frame_position,
diff --git a/drivers/scsi/ppa.c b/drivers/scsi/ppa.c
index 05347ee..fee843f 100644
--- a/drivers/scsi/ppa.c
+++ b/drivers/scsi/ppa.c
@@ -18,6 +18,7 @@
#include <linux/parport.h>
#include <linux/workqueue.h>
#include <linux/delay.h>
+#include <linux/jiffies.h>
#include <asm/io.h>
#include <scsi/scsi.h>
@@ -726,7 +727,7 @@
retv--;
if (retv) {
- if ((jiffies - dev->jstart) > (1 * HZ)) {
+ if (time_after(jiffies, dev->jstart + (1 * HZ))) {
printk
("ppa: Parallel port cable is unplugged!!\n");
ppa_fail(dev, DID_BUS_BUSY);
diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c
index e023024..5a48e55 100644
--- a/drivers/scsi/qla1280.c
+++ b/drivers/scsi/qla1280.c
@@ -350,6 +350,7 @@
#include <linux/pci_ids.h>
#include <linux/interrupt.h>
#include <linux/init.h>
+#include <linux/dma-mapping.h>
#include <asm/io.h>
#include <asm/irq.h>
@@ -4321,7 +4322,7 @@
#ifdef QLA_64BIT_PTR
if (pci_set_dma_mask(ha->pdev, (dma_addr_t) ~ 0ULL)) {
- if (pci_set_dma_mask(ha->pdev, 0xffffffff)) {
+ if (pci_set_dma_mask(ha->pdev, DMA_32BIT_MASK)) {
printk(KERN_WARNING "scsi(%li): Unable to set a "
"suitable DMA mask - aborting\n", ha->host_no);
error = -ENODEV;
@@ -4331,7 +4332,7 @@
dprintk(2, "scsi(%li): 64 Bit PCI Addressing Enabled\n",
ha->host_no);
#else
- if (pci_set_dma_mask(ha->pdev, 0xffffffff)) {
+ if (pci_set_dma_mask(ha->pdev, DMA_32BIT_MASK)) {
printk(KERN_WARNING "scsi(%li): Unable to set a "
"suitable DMA mask - aborting\n", ha->host_no);
error = -ENODEV;
diff --git a/drivers/scsi/qlogicfc.c b/drivers/scsi/qlogicfc.c
index 94ef3f0..52b224a 100644
--- a/drivers/scsi/qlogicfc.c
+++ b/drivers/scsi/qlogicfc.c
@@ -61,6 +61,8 @@
#include <linux/unistd.h>
#include <linux/spinlock.h>
#include <linux/interrupt.h>
+#include <linux/dma-mapping.h>
+#include <linux/jiffies.h>
#include <asm/io.h>
#include <asm/irq.h>
#include "scsi.h"
@@ -737,8 +739,8 @@
continue;
/* Try to configure DMA attributes. */
- if (pci_set_dma_mask(pdev, 0xffffffffffffffffULL) &&
- pci_set_dma_mask(pdev, 0xffffffffULL))
+ if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) &&
+ pci_set_dma_mask(pdev, DMA_32BIT_MASK))
continue;
host = scsi_register(tmpt, sizeof(struct isp2x00_hostdata));
@@ -1325,7 +1327,7 @@
cmd->control_flags = cpu_to_le16(CFLAG_READ);
if (Cmnd->device->tagged_supported) {
- if ((jiffies - hostdata->tag_ages[Cmnd->device->id]) > (2 * ISP_TIMEOUT)) {
+ if (time_after(jiffies, hostdata->tag_ages[Cmnd->device->id] + (2 * ISP_TIMEOUT))) {
cmd->control_flags |= cpu_to_le16(CFLAG_ORDERED_TAG);
hostdata->tag_ages[Cmnd->device->id] = jiffies;
} else
diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c
index 1fd5fc6..c7e78dc 100644
--- a/drivers/scsi/qlogicpti.c
+++ b/drivers/scsi/qlogicpti.c
@@ -24,6 +24,7 @@
#include <linux/spinlock.h>
#include <linux/interrupt.h>
#include <linux/module.h>
+#include <linux/jiffies.h>
#include <asm/byteorder.h>
@@ -1017,7 +1018,7 @@
if (Cmnd->device->tagged_supported) {
if (qpti->cmd_count[Cmnd->device->id] == 0)
qpti->tag_ages[Cmnd->device->id] = jiffies;
- if ((jiffies - qpti->tag_ages[Cmnd->device->id]) > (5*HZ)) {
+ if (time_after(jiffies, qpti->tag_ages[Cmnd->device->id] + (5*HZ))) {
cmd->control_flags = CFLAG_ORDERED_TAG;
qpti->tag_ages[Cmnd->device->id] = jiffies;
} else
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 5996d3c..674b15c 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -1528,7 +1528,7 @@
/*
* Clear the FIFO buffers and disable them.
- * (they will be reeanbled in set_termios())
+ * (they will be reenabled in set_termios())
*/
serial8250_clear_fifos(up);
diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c
index b848b7d..3bdee64 100644
--- a/drivers/serial/serial_txx9.c
+++ b/drivers/serial/serial_txx9.c
@@ -483,7 +483,7 @@
/*
* Clear the FIFO buffers and disable them.
- * (they will be reeanbled in set_termios())
+ * (they will be reenabled in set_termios())
*/
sio_set(up, TXX9_SIFCR,
TXX9_SIFCR_TFRST | TXX9_SIFCR_RFRST | TXX9_SIFCR_FRSTE);
diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index 9fe2283..1c4396c 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -641,7 +641,7 @@
/*
* Clear the FIFO buffers and disable them.
- * (they will be reeanbled in set_termios())
+ * (they will be reenabled in set_termios())
*/
if (uart_config[up->port.type].flags & UART_CLEAR_FIFO) {
serial_outp(up, UART_FCR, UART_FCR_ENABLE_FIFO);
diff --git a/drivers/telephony/phonedev.c b/drivers/telephony/phonedev.c
index 7a6db1c..e166fff 100644
--- a/drivers/telephony/phonedev.c
+++ b/drivers/telephony/phonedev.c
@@ -49,7 +49,7 @@
unsigned int minor = iminor(inode);
int err = 0;
struct phone_device *p;
- struct file_operations *old_fops, *new_fops = NULL;
+ const struct file_operations *old_fops, *new_fops = NULL;
if (minor >= PHONE_NUM_DEVICES)
return -ENODEV;
diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c
index 37b1336..b263a54 100644
--- a/drivers/usb/core/file.c
+++ b/drivers/usb/core/file.c
@@ -24,15 +24,15 @@
#include "usb.h"
#define MAX_USB_MINORS 256
-static struct file_operations *usb_minors[MAX_USB_MINORS];
+static const struct file_operations *usb_minors[MAX_USB_MINORS];
static DEFINE_SPINLOCK(minor_lock);
static int usb_open(struct inode * inode, struct file * file)
{
int minor = iminor(inode);
- struct file_operations *c;
+ const struct file_operations *c;
int err = -ENODEV;
- struct file_operations *old_fops, *new_fops = NULL;
+ const struct file_operations *old_fops, *new_fops = NULL;
spin_lock (&minor_lock);
c = usb_minors[minor];
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index b44cfda..3f618ce 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -1581,7 +1581,7 @@
static struct inode *
gadgetfs_create_file (struct super_block *sb, char const *name,
- void *data, struct file_operations *fops,
+ void *data, const struct file_operations *fops,
struct dentry **dentry_p);
static int activate_ep_files (struct dev_data *dev)
@@ -1955,7 +1955,7 @@
static struct inode *
gadgetfs_make_inode (struct super_block *sb,
- void *data, struct file_operations *fops,
+ void *data, const struct file_operations *fops,
int mode)
{
struct inode *inode = new_inode (sb);
@@ -1979,7 +1979,7 @@
*/
static struct inode *
gadgetfs_create_file (struct super_block *sb, char const *name,
- void *data, struct file_operations *fops,
+ void *data, const struct file_operations *fops,
struct dentry **dentry_p)
{
struct dentry *dentry;
diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c
index 372527a..682bf22 100644
--- a/drivers/usb/host/ohci-s3c2410.c
+++ b/drivers/usb/host/ohci-s3c2410.c
@@ -158,7 +158,7 @@
"s3c2410_hub_control(%p,0x%04x,0x%04x,0x%04x,%p,%04x)\n",
hcd, typeReq, wValue, wIndex, buf, wLength);
- /* if we are only an humble host without any special capabilites
+ /* if we are only an humble host without any special capabilities
* process the request straight away and exit */
if (info == NULL) {
diff --git a/drivers/usb/net/zaurus.c b/drivers/usb/net/zaurus.c
index 9c5ab25..f7ac9d6 100644
--- a/drivers/usb/net/zaurus.c
+++ b/drivers/usb/net/zaurus.c
@@ -217,7 +217,7 @@
* with devices that use it and those that don't.
*/
if ((detail->bDetailData[1] & ~0x02) != 0x01) {
- /* bmDataCapabilites == 0 would be fine too,
+ /* bmDataCapabilities == 0 would be fine too,
* but framing is minidriver-coupled for now.
*/
bad_detail:
diff --git a/fs/9p/v9fs_vfs.h b/fs/9p/v9fs_vfs.h
index 43c9f7d..f867b8d 100644
--- a/fs/9p/v9fs_vfs.h
+++ b/fs/9p/v9fs_vfs.h
@@ -39,8 +39,8 @@
extern struct file_system_type v9fs_fs_type;
extern struct address_space_operations v9fs_addr_operations;
-extern struct file_operations v9fs_file_operations;
-extern struct file_operations v9fs_dir_operations;
+extern const struct file_operations v9fs_file_operations;
+extern const struct file_operations v9fs_dir_operations;
extern struct dentry_operations v9fs_dentry_operations;
struct inode *v9fs_get_inode(struct super_block *sb, int mode);
diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index 766f11f..e32d597 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -204,7 +204,7 @@
return 0;
}
-struct file_operations v9fs_dir_operations = {
+const struct file_operations v9fs_dir_operations = {
.read = generic_read_dir,
.readdir = v9fs_dir_readdir,
.open = v9fs_file_open,
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 59e7441..083dcfc 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -266,7 +266,7 @@
return total;
}
-struct file_operations v9fs_file_operations = {
+const struct file_operations v9fs_file_operations = {
.llseek = generic_file_llseek,
.read = v9fs_file_read,
.write = v9fs_file_write,
diff --git a/fs/adfs/adfs.h b/fs/adfs/adfs.h
index f6cd013..29217ff 100644
--- a/fs/adfs/adfs.h
+++ b/fs/adfs/adfs.h
@@ -85,7 +85,7 @@
/* dir_*.c */
extern struct inode_operations adfs_dir_inode_operations;
-extern struct file_operations adfs_dir_operations;
+extern const struct file_operations adfs_dir_operations;
extern struct dentry_operations adfs_dentry_operations;
extern struct adfs_dir_ops adfs_f_dir_ops;
extern struct adfs_dir_ops adfs_fplus_dir_ops;
@@ -94,7 +94,7 @@
/* file.c */
extern struct inode_operations adfs_file_inode_operations;
-extern struct file_operations adfs_file_operations;
+extern const struct file_operations adfs_file_operations;
static inline __u32 signed_asl(__u32 val, signed int shift)
{
diff --git a/fs/adfs/dir.c b/fs/adfs/dir.c
index 0b4c3a0..7b075fc 100644
--- a/fs/adfs/dir.c
+++ b/fs/adfs/dir.c
@@ -196,7 +196,7 @@
return ret;
}
-struct file_operations adfs_dir_operations = {
+const struct file_operations adfs_dir_operations = {
.read = generic_read_dir,
.readdir = adfs_readdir,
.fsync = file_fsync,
diff --git a/fs/adfs/file.c b/fs/adfs/file.c
index 6af1088..1014b9f 100644
--- a/fs/adfs/file.c
+++ b/fs/adfs/file.c
@@ -25,7 +25,7 @@
#include "adfs.h"
-struct file_operations adfs_file_operations = {
+const struct file_operations adfs_file_operations = {
.llseek = generic_file_llseek,
.read = generic_file_read,
.mmap = generic_file_mmap,
diff --git a/fs/affs/affs.h b/fs/affs/affs.h
index 0c6799f..a43a876 100644
--- a/fs/affs/affs.h
+++ b/fs/affs/affs.h
@@ -192,9 +192,9 @@
extern struct inode_operations affs_file_inode_operations;
extern struct inode_operations affs_dir_inode_operations;
extern struct inode_operations affs_symlink_inode_operations;
-extern struct file_operations affs_file_operations;
-extern struct file_operations affs_file_operations_ofs;
-extern struct file_operations affs_dir_operations;
+extern const struct file_operations affs_file_operations;
+extern const struct file_operations affs_file_operations_ofs;
+extern const struct file_operations affs_dir_operations;
extern struct address_space_operations affs_symlink_aops;
extern struct address_space_operations affs_aops;
extern struct address_space_operations affs_aops_ofs;
diff --git a/fs/affs/dir.c b/fs/affs/dir.c
index 548efd0..5d9649f 100644
--- a/fs/affs/dir.c
+++ b/fs/affs/dir.c
@@ -17,7 +17,7 @@
static int affs_readdir(struct file *, void *, filldir_t);
-struct file_operations affs_dir_operations = {
+const struct file_operations affs_dir_operations = {
.read = generic_read_dir,
.readdir = affs_readdir,
.fsync = file_fsync,
diff --git a/fs/affs/file.c b/fs/affs/file.c
index f72fb77..7076262 100644
--- a/fs/affs/file.c
+++ b/fs/affs/file.c
@@ -25,7 +25,7 @@
static int affs_file_open(struct inode *inode, struct file *filp);
static int affs_file_release(struct inode *inode, struct file *filp);
-struct file_operations affs_file_operations = {
+const struct file_operations affs_file_operations = {
.llseek = generic_file_llseek,
.read = generic_file_read,
.write = generic_file_write,
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index 5c61c24..a6dff6a 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -32,7 +32,7 @@
static int afs_dir_lookup_filldir(void *_cookie, const char *name, int nlen,
loff_t fpos, ino_t ino, unsigned dtype);
-struct file_operations afs_dir_file_operations = {
+const struct file_operations afs_dir_file_operations = {
.open = afs_dir_open,
.readdir = afs_dir_readdir,
};
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index ab8f87c..72febdf 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -64,7 +64,7 @@
* dir.c
*/
extern struct inode_operations afs_dir_inode_operations;
-extern struct file_operations afs_dir_file_operations;
+extern const struct file_operations afs_dir_file_operations;
/*
* file.c
@@ -105,7 +105,7 @@
* mntpt.c
*/
extern struct inode_operations afs_mntpt_inode_operations;
-extern struct file_operations afs_mntpt_file_operations;
+extern const struct file_operations afs_mntpt_file_operations;
extern struct afs_timer afs_mntpt_expiry_timer;
extern struct afs_timer_ops afs_mntpt_expiry_timer_ops;
extern unsigned long afs_mntpt_expiry_timeout;
diff --git a/fs/afs/mntpt.c b/fs/afs/mntpt.c
index 31ee065..4e6eeb5 100644
--- a/fs/afs/mntpt.c
+++ b/fs/afs/mntpt.c
@@ -32,7 +32,7 @@
static int afs_mntpt_open(struct inode *inode, struct file *file);
static void *afs_mntpt_follow_link(struct dentry *dentry, struct nameidata *nd);
-struct file_operations afs_mntpt_file_operations = {
+const struct file_operations afs_mntpt_file_operations = {
.open = afs_mntpt_open,
};
diff --git a/fs/afs/proc.c b/fs/afs/proc.c
index 9c81b8f..101d21b 100644
--- a/fs/afs/proc.c
+++ b/fs/afs/proc.c
@@ -37,7 +37,7 @@
.show = afs_proc_cells_show,
};
-static struct file_operations afs_proc_cells_fops = {
+static const struct file_operations afs_proc_cells_fops = {
.open = afs_proc_cells_open,
.read = seq_read,
.write = afs_proc_cells_write,
@@ -53,7 +53,7 @@
const char __user *buf,
size_t size, loff_t *_pos);
-static struct file_operations afs_proc_rootcell_fops = {
+static const struct file_operations afs_proc_rootcell_fops = {
.open = afs_proc_rootcell_open,
.read = afs_proc_rootcell_read,
.write = afs_proc_rootcell_write,
@@ -77,7 +77,7 @@
.show = afs_proc_cell_volumes_show,
};
-static struct file_operations afs_proc_cell_volumes_fops = {
+static const struct file_operations afs_proc_cell_volumes_fops = {
.open = afs_proc_cell_volumes_open,
.read = seq_read,
.llseek = seq_lseek,
@@ -101,7 +101,7 @@
.show = afs_proc_cell_vlservers_show,
};
-static struct file_operations afs_proc_cell_vlservers_fops = {
+static const struct file_operations afs_proc_cell_vlservers_fops = {
.open = afs_proc_cell_vlservers_open,
.read = seq_read,
.llseek = seq_lseek,
@@ -124,7 +124,7 @@
.show = afs_proc_cell_servers_show,
};
-static struct file_operations afs_proc_cell_servers_fops = {
+static const struct file_operations afs_proc_cell_servers_fops = {
.open = afs_proc_cell_servers_open,
.read = seq_read,
.llseek = seq_lseek,
diff --git a/fs/autofs/autofs_i.h b/fs/autofs/autofs_i.h
index 990c28d..a62327f 100644
--- a/fs/autofs/autofs_i.h
+++ b/fs/autofs/autofs_i.h
@@ -146,7 +146,7 @@
extern struct inode_operations autofs_root_inode_operations;
extern struct inode_operations autofs_symlink_inode_operations;
-extern struct file_operations autofs_root_operations;
+extern const struct file_operations autofs_root_operations;
/* Initializing function */
diff --git a/fs/autofs/root.c b/fs/autofs/root.c
index 870e2cf3..9cac08d 100644
--- a/fs/autofs/root.c
+++ b/fs/autofs/root.c
@@ -26,7 +26,7 @@
static int autofs_root_mkdir(struct inode *,struct dentry *,int);
static int autofs_root_ioctl(struct inode *, struct file *,unsigned int,unsigned long);
-struct file_operations autofs_root_operations = {
+const struct file_operations autofs_root_operations = {
.read = generic_read_dir,
.readdir = autofs_root_readdir,
.ioctl = autofs_root_ioctl,
diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h
index 617fd7b..57c4903 100644
--- a/fs/autofs4/autofs_i.h
+++ b/fs/autofs4/autofs_i.h
@@ -176,8 +176,8 @@
extern struct inode_operations autofs4_root_inode_operations;
extern struct inode_operations autofs4_indirect_root_inode_operations;
extern struct inode_operations autofs4_direct_root_inode_operations;
-extern struct file_operations autofs4_dir_operations;
-extern struct file_operations autofs4_root_operations;
+extern const struct file_operations autofs4_dir_operations;
+extern const struct file_operations autofs4_root_operations;
/* Initializing function */
@@ -230,3 +230,6 @@
out:
return ret;
}
+
+void autofs4_dentry_release(struct dentry *);
+
diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index 4eddee4e..fde78b1 100644
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -292,7 +292,6 @@
return ino;
}
-void autofs4_dentry_release(struct dentry *);
static struct dentry_operations autofs4_sb_dentry_operations = {
.d_release = autofs4_dentry_release,
};
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index c8fe43a..84e030c 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -32,7 +32,7 @@
static struct dentry *autofs4_lookup(struct inode *,struct dentry *, struct nameidata *);
static void *autofs4_follow_link(struct dentry *, struct nameidata *);
-struct file_operations autofs4_root_operations = {
+const struct file_operations autofs4_root_operations = {
.open = dcache_dir_open,
.release = dcache_dir_close,
.read = generic_read_dir,
@@ -40,7 +40,7 @@
.ioctl = autofs4_root_ioctl,
};
-struct file_operations autofs4_dir_operations = {
+const struct file_operations autofs4_dir_operations = {
.open = autofs4_dir_open,
.release = autofs4_dir_close,
.read = generic_read_dir,
diff --git a/fs/bad_inode.c b/fs/bad_inode.c
index e172180..80599ae 100644
--- a/fs/bad_inode.c
+++ b/fs/bad_inode.c
@@ -22,7 +22,7 @@
#define EIO_ERROR ((void *) (return_EIO))
-static struct file_operations bad_file_ops =
+static const struct file_operations bad_file_ops =
{
.llseek = EIO_ERROR,
.aio_read = EIO_ERROR,
diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c
index 044a595..68ebd10 100644
--- a/fs/befs/linuxvfs.c
+++ b/fs/befs/linuxvfs.c
@@ -64,7 +64,7 @@
/* slab cache for befs_inode_info objects */
static kmem_cache_t *befs_inode_cachep;
-static struct file_operations befs_dir_operations = {
+static const struct file_operations befs_dir_operations = {
.read = generic_read_dir,
.readdir = befs_readdir,
};
diff --git a/fs/bfs/bfs.h b/fs/bfs/bfs.h
index 1fbc53f..9d79100 100644
--- a/fs/bfs/bfs.h
+++ b/fs/bfs/bfs.h
@@ -49,11 +49,11 @@
/* file.c */
extern struct inode_operations bfs_file_inops;
-extern struct file_operations bfs_file_operations;
+extern const struct file_operations bfs_file_operations;
extern struct address_space_operations bfs_aops;
/* dir.c */
extern struct inode_operations bfs_dir_inops;
-extern struct file_operations bfs_dir_operations;
+extern const struct file_operations bfs_dir_operations;
#endif /* _FS_BFS_BFS_H */
diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c
index 5af928f..26fad96 100644
--- a/fs/bfs/dir.c
+++ b/fs/bfs/dir.c
@@ -70,7 +70,7 @@
return 0;
}
-struct file_operations bfs_dir_operations = {
+const struct file_operations bfs_dir_operations = {
.read = generic_read_dir,
.readdir = bfs_readdir,
.fsync = file_fsync,
diff --git a/fs/bfs/file.c b/fs/bfs/file.c
index 807723b..d83cd74 100644
--- a/fs/bfs/file.c
+++ b/fs/bfs/file.c
@@ -17,7 +17,7 @@
#define dprintf(x...)
#endif
-struct file_operations bfs_file_operations = {
+const struct file_operations bfs_file_operations = {
.llseek = generic_file_llseek,
.read = generic_file_read,
.write = generic_file_write,
diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index 6a7b730..d73d755 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -600,7 +600,7 @@
return count;
}
-static struct file_operations bm_entry_operations = {
+static const struct file_operations bm_entry_operations = {
.read = bm_entry_read,
.write = bm_entry_write,
};
@@ -668,7 +668,7 @@
return count;
}
-static struct file_operations bm_register_operations = {
+static const struct file_operations bm_register_operations = {
.write = bm_register_write,
};
@@ -715,7 +715,7 @@
return count;
}
-static struct file_operations bm_status_operations = {
+static const struct file_operations bm_status_operations = {
.read = bm_status_read,
.write = bm_status_write,
};
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 17c7618..af88c43 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1087,7 +1087,7 @@
.direct_IO = blkdev_direct_IO,
};
-struct file_operations def_blk_fops = {
+const struct file_operations def_blk_fops = {
.open = blkdev_open,
.release = blkdev_close,
.llseek = block_llseek,
diff --git a/fs/char_dev.c b/fs/char_dev.c
index 8c6eb04..4e1b849 100644
--- a/fs/char_dev.c
+++ b/fs/char_dev.c
@@ -250,7 +250,7 @@
}
int register_chrdev(unsigned int major, const char *name,
- struct file_operations *fops)
+ const struct file_operations *fops)
{
struct char_device_struct *cd;
struct cdev *cdev;
@@ -406,7 +406,7 @@
* is contain the open that then fills in the correct operations
* depending on the special file...
*/
-struct file_operations def_chr_fops = {
+const struct file_operations def_chr_fops = {
.open = chrdev_open,
};
@@ -473,7 +473,7 @@
return p;
}
-void cdev_init(struct cdev *cdev, struct file_operations *fops)
+void cdev_init(struct cdev *cdev, const struct file_operations *fops)
{
memset(cdev, 0, sizeof *cdev);
INIT_LIST_HEAD(&cdev->list);
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 6b99b51..4bbc544 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -583,7 +583,7 @@
#endif
};
-struct file_operations cifs_file_ops = {
+const struct file_operations cifs_file_ops = {
.read = do_sync_read,
.write = do_sync_write,
.readv = generic_file_readv,
@@ -607,7 +607,7 @@
#endif /* CONFIG_CIFS_EXPERIMENTAL */
};
-struct file_operations cifs_file_direct_ops = {
+const struct file_operations cifs_file_direct_ops = {
/* no mmap, no aio, no readv -
BB reevaluate whether they can be done with directio, no cache */
.read = cifs_user_read,
@@ -626,7 +626,7 @@
.dir_notify = cifs_dir_notify,
#endif /* CONFIG_CIFS_EXPERIMENTAL */
};
-struct file_operations cifs_file_nobrl_ops = {
+const struct file_operations cifs_file_nobrl_ops = {
.read = do_sync_read,
.write = do_sync_write,
.readv = generic_file_readv,
@@ -649,7 +649,7 @@
#endif /* CONFIG_CIFS_EXPERIMENTAL */
};
-struct file_operations cifs_file_direct_nobrl_ops = {
+const struct file_operations cifs_file_direct_nobrl_ops = {
/* no mmap, no aio, no readv -
BB reevaluate whether they can be done with directio, no cache */
.read = cifs_user_read,
@@ -668,7 +668,7 @@
#endif /* CONFIG_CIFS_EXPERIMENTAL */
};
-struct file_operations cifs_dir_ops = {
+const struct file_operations cifs_dir_ops = {
.readdir = cifs_readdir,
.release = cifs_closedir,
.read = generic_read_dir,
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index 821a8eb..74f405ae 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -61,10 +61,10 @@
extern struct inode_operations cifs_symlink_inode_ops;
/* Functions related to files and directories */
-extern struct file_operations cifs_file_ops;
-extern struct file_operations cifs_file_direct_ops; /* if directio mount */
-extern struct file_operations cifs_file_nobrl_ops;
-extern struct file_operations cifs_file_direct_nobrl_ops; /* if directio mount */
+extern const struct file_operations cifs_file_ops;
+extern const struct file_operations cifs_file_direct_ops; /* if directio mount */
+extern const struct file_operations cifs_file_nobrl_ops;
+extern const struct file_operations cifs_file_direct_nobrl_ops; /* if directio mount */
extern int cifs_open(struct inode *inode, struct file *file);
extern int cifs_close(struct inode *inode, struct file *file);
extern int cifs_closedir(struct inode *inode, struct file *file);
@@ -76,7 +76,7 @@
extern int cifs_fsync(struct file *, struct dentry *, int);
extern int cifs_flush(struct file *);
extern int cifs_file_mmap(struct file * , struct vm_area_struct *);
-extern struct file_operations cifs_dir_ops;
+extern const struct file_operations cifs_dir_ops;
extern int cifs_dir_open(struct inode *inode, struct file *file);
extern int cifs_readdir(struct file *file, void *direntry, filldir_t filldir);
extern int cifs_dir_notify(struct file *, unsigned long arg);
diff --git a/fs/coda/dir.c b/fs/coda/dir.c
index 54f76de..71f2ea6 100644
--- a/fs/coda/dir.c
+++ b/fs/coda/dir.c
@@ -82,7 +82,7 @@
.setattr = coda_setattr,
};
-struct file_operations coda_dir_operations = {
+const struct file_operations coda_dir_operations = {
.llseek = generic_file_llseek,
.read = generic_read_dir,
.readdir = coda_readdir,
diff --git a/fs/coda/file.c b/fs/coda/file.c
index 146a991..7c26424 100644
--- a/fs/coda/file.c
+++ b/fs/coda/file.c
@@ -288,7 +288,7 @@
return err;
}
-struct file_operations coda_file_operations = {
+const struct file_operations coda_file_operations = {
.llseek = generic_file_llseek,
.read = coda_file_read,
.write = coda_file_write,
diff --git a/fs/coda/pioctl.c b/fs/coda/pioctl.c
index 1277149..214822b 100644
--- a/fs/coda/pioctl.c
+++ b/fs/coda/pioctl.c
@@ -36,7 +36,7 @@
.setattr = coda_setattr,
};
-struct file_operations coda_ioctl_operations = {
+const struct file_operations coda_ioctl_operations = {
.owner = THIS_MODULE,
.ioctl = coda_pioctl,
};
diff --git a/fs/coda/psdev.c b/fs/coda/psdev.c
index 98c74fe..6c6771d 100644
--- a/fs/coda/psdev.c
+++ b/fs/coda/psdev.c
@@ -342,7 +342,7 @@
}
-static struct file_operations coda_psdev_fops = {
+static const struct file_operations coda_psdev_fops = {
.owner = THIS_MODULE,
.read = coda_psdev_read,
.write = coda_psdev_write,
diff --git a/fs/compat.c b/fs/compat.c
index ef5a077..7f8e26e 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -1639,15 +1639,6 @@
* This is a virtual copy of sys_select from fs/select.c and probably
* should be compared to it from time to time
*/
-static void *select_bits_alloc(int size)
-{
- return kmalloc(6 * size, GFP_KERNEL);
-}
-
-static void select_bits_free(void *bits, int size)
-{
- kfree(bits);
-}
/*
* We can actually return ERESTARTSYS instead of EINTR, but I'd
@@ -1686,7 +1677,7 @@
*/
ret = -ENOMEM;
size = FDS_BYTES(n);
- bits = select_bits_alloc(size);
+ bits = kmalloc(6 * size, GFP_KERNEL);
if (!bits)
goto out_nofds;
fds.in = (unsigned long *) bits;
@@ -1720,7 +1711,7 @@
compat_set_fd_set(n, exp, fds.res_ex);
out:
- select_bits_free(bits, size);
+ kfree(bits);
out_nofds:
return ret;
}
diff --git a/fs/configfs/configfs_internal.h b/fs/configfs/configfs_internal.h
index f70e469..3f4ff7a 100644
--- a/fs/configfs/configfs_internal.h
+++ b/fs/configfs/configfs_internal.h
@@ -72,9 +72,9 @@
extern struct rw_semaphore configfs_rename_sem;
extern struct super_block * configfs_sb;
-extern struct file_operations configfs_dir_operations;
-extern struct file_operations configfs_file_operations;
-extern struct file_operations bin_fops;
+extern const struct file_operations configfs_dir_operations;
+extern const struct file_operations configfs_file_operations;
+extern const struct file_operations bin_fops;
extern struct inode_operations configfs_dir_inode_operations;
extern struct inode_operations configfs_symlink_inode_operations;
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index ca60e3a..8ed9b06 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -1027,7 +1027,7 @@
return offset;
}
-struct file_operations configfs_dir_operations = {
+const struct file_operations configfs_dir_operations = {
.open = configfs_dir_open,
.release = configfs_dir_close,
.llseek = configfs_dir_lseek,
diff --git a/fs/configfs/file.c b/fs/configfs/file.c
index 3921920..f499803 100644
--- a/fs/configfs/file.c
+++ b/fs/configfs/file.c
@@ -322,7 +322,7 @@
return 0;
}
-struct file_operations configfs_file_operations = {
+const struct file_operations configfs_file_operations = {
.read = configfs_read_file,
.write = configfs_write_file,
.llseek = generic_file_llseek,
diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
index acc1b2c..9efcc3a 100644
--- a/fs/cramfs/inode.c
+++ b/fs/cramfs/inode.c
@@ -29,7 +29,7 @@
static struct super_operations cramfs_ops;
static struct inode_operations cramfs_dir_inode_operations;
-static struct file_operations cramfs_directory_operations;
+static const struct file_operations cramfs_directory_operations;
static struct address_space_operations cramfs_aops;
static DEFINE_MUTEX(read_mutex);
@@ -512,7 +512,7 @@
/*
* A directory can only readdir
*/
-static struct file_operations cramfs_directory_operations = {
+static const struct file_operations cramfs_directory_operations = {
.llseek = generic_file_llseek,
.read = generic_read_dir,
.readdir = cramfs_readdir,
diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index 40c4fc9..66a5054 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -39,7 +39,7 @@
return 0;
}
-struct file_operations debugfs_file_operations = {
+const struct file_operations debugfs_file_operations = {
.read = default_read_file,
.write = default_write_file,
.open = default_open,
@@ -213,7 +213,7 @@
return count;
}
-static struct file_operations fops_bool = {
+static const struct file_operations fops_bool = {
.read = read_file_bool,
.write = write_file_bool,
.open = default_open,
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index d4f1a2c..85d166c 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -191,7 +191,7 @@
*/
struct dentry *debugfs_create_file(const char *name, mode_t mode,
struct dentry *parent, void *data,
- struct file_operations *fops)
+ const struct file_operations *fops)
{
struct dentry *dentry = NULL;
int error;
diff --git a/fs/devfs/base.c b/fs/devfs/base.c
index b621521..52f5059 100644
--- a/fs/devfs/base.c
+++ b/fs/devfs/base.c
@@ -856,14 +856,14 @@
#ifdef CONFIG_DEVFS_DEBUG
static ssize_t stat_read(struct file *file, char __user *buf, size_t len,
loff_t * ppos);
-static struct file_operations stat_fops = {
+static const struct file_operations stat_fops = {
.open = nonseekable_open,
.read = stat_read,
};
#endif
/* Devfs daemon file operations */
-static struct file_operations devfsd_fops = {
+static const struct file_operations devfsd_fops = {
.open = nonseekable_open,
.read = devfsd_read,
.ioctl = devfsd_ioctl,
@@ -1842,8 +1842,8 @@
static struct inode_operations devfs_iops;
static struct inode_operations devfs_dir_iops;
-static struct file_operations devfs_fops;
-static struct file_operations devfs_dir_fops;
+static const struct file_operations devfs_fops;
+static const struct file_operations devfs_dir_fops;
static struct inode_operations devfs_symlink_iops;
static int devfs_notify_change(struct dentry *dentry, struct iattr *iattr)
@@ -2061,11 +2061,11 @@
return err;
} /* End Function devfs_open */
-static struct file_operations devfs_fops = {
+static const struct file_operations devfs_fops = {
.open = devfs_open,
};
-static struct file_operations devfs_dir_fops = {
+static const struct file_operations devfs_dir_fops = {
.read = generic_read_dir,
.readdir = devfs_readdir,
};
diff --git a/fs/efs/dir.c b/fs/efs/dir.c
index 777c614..17f5b2d 100644
--- a/fs/efs/dir.c
+++ b/fs/efs/dir.c
@@ -10,7 +10,7 @@
static int efs_readdir(struct file *, void *, filldir_t);
-struct file_operations efs_dir_operations = {
+const struct file_operations efs_dir_operations = {
.read = generic_read_dir,
.readdir = efs_readdir,
};
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index e067a06..242fe1a 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -290,7 +290,7 @@
static struct vfsmount *eventpoll_mnt __read_mostly;
/* File callbacks that implement the eventpoll file behaviour */
-static struct file_operations eventpoll_fops = {
+static const struct file_operations eventpoll_fops = {
.release = ep_eventpoll_close,
.poll = ep_eventpoll_poll
};
diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
index 0165388..d672aa9 100644
--- a/fs/ext2/dir.c
+++ b/fs/ext2/dir.c
@@ -658,7 +658,7 @@
return 0;
}
-struct file_operations ext2_dir_operations = {
+const struct file_operations ext2_dir_operations = {
.llseek = generic_file_llseek,
.read = generic_read_dir,
.readdir = ext2_readdir,
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index 11035ac..9f74a62 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -154,12 +154,12 @@
*/
/* dir.c */
-extern struct file_operations ext2_dir_operations;
+extern const struct file_operations ext2_dir_operations;
/* file.c */
extern struct inode_operations ext2_file_inode_operations;
-extern struct file_operations ext2_file_operations;
-extern struct file_operations ext2_xip_file_operations;
+extern const struct file_operations ext2_file_operations;
+extern const struct file_operations ext2_xip_file_operations;
/* inode.c */
extern struct address_space_operations ext2_aops;
diff --git a/fs/ext2/file.c b/fs/ext2/file.c
index a484412..509ccec 100644
--- a/fs/ext2/file.c
+++ b/fs/ext2/file.c
@@ -39,7 +39,7 @@
* We have mostly NULL's here: the current defaults are ok for
* the ext2 filesystem.
*/
-struct file_operations ext2_file_operations = {
+const struct file_operations ext2_file_operations = {
.llseek = generic_file_llseek,
.read = generic_file_read,
.write = generic_file_write,
@@ -56,7 +56,7 @@
};
#ifdef CONFIG_EXT2_FS_XIP
-struct file_operations ext2_xip_file_operations = {
+const struct file_operations ext2_xip_file_operations = {
.llseek = generic_file_llseek,
.read = xip_file_read,
.write = xip_file_write,
diff --git a/fs/ext3/dir.c b/fs/ext3/dir.c
index 38bd3f6..f37528e 100644
--- a/fs/ext3/dir.c
+++ b/fs/ext3/dir.c
@@ -39,7 +39,7 @@
static int ext3_release_dir (struct inode * inode,
struct file * filp);
-struct file_operations ext3_dir_operations = {
+const struct file_operations ext3_dir_operations = {
.llseek = generic_file_llseek,
.read = generic_read_dir,
.readdir = ext3_readdir, /* we take BKL. needed?*/
diff --git a/fs/ext3/file.c b/fs/ext3/file.c
index 59098ea..783a796 100644
--- a/fs/ext3/file.c
+++ b/fs/ext3/file.c
@@ -105,7 +105,7 @@
return ret;
}
-struct file_operations ext3_file_operations = {
+const struct file_operations ext3_file_operations = {
.llseek = generic_file_llseek,
.read = do_sync_read,
.write = do_sync_write,
diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index 4095bc1..698b85b 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -741,7 +741,7 @@
return ret;
}
-struct file_operations fat_dir_operations = {
+const struct file_operations fat_dir_operations = {
.read = generic_read_dir,
.readdir = fat_readdir,
.ioctl = fat_dir_ioctl,
diff --git a/fs/fat/file.c b/fs/fat/file.c
index 88aa1ae..1ee2523 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -112,7 +112,7 @@
}
}
-struct file_operations fat_file_operations = {
+const struct file_operations fat_file_operations = {
.llseek = generic_file_llseek,
.read = do_sync_read,
.write = do_sync_write,
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 404bfc9..c1ce284 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -1435,9 +1435,6 @@
EXPORT_SYMBOL_GPL(fat_fill_super);
-int __init fat_cache_init(void);
-void fat_cache_destroy(void);
-
static int __init init_fat_fs(void)
{
int err;
diff --git a/fs/fifo.c b/fs/fifo.c
index d13fcd3..889f722 100644
--- a/fs/fifo.c
+++ b/fs/fifo.c
@@ -145,6 +145,6 @@
* is contain the open that then fills in the correct operations
* depending on the access mode of the file...
*/
-struct file_operations def_fifo_fops = {
+const struct file_operations def_fifo_fops = {
.open = fifo_open, /* will set read or write pipe_fops */
};
diff --git a/fs/file.c b/fs/file.c
index bbc7433..55f4e70 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -373,6 +373,6 @@
void __init files_defer_init(void)
{
int i;
- for_each_cpu(i)
+ for_each_possible_cpu(i)
fdtable_defer_list_init(i);
}
diff --git a/fs/freevxfs/vxfs_extern.h b/fs/freevxfs/vxfs_extern.h
index 927acf7..1cf1fe8 100644
--- a/fs/freevxfs/vxfs_extern.h
+++ b/fs/freevxfs/vxfs_extern.h
@@ -63,7 +63,7 @@
/* vxfs_lookup.c */
extern struct inode_operations vxfs_dir_inode_ops;
-extern struct file_operations vxfs_dir_operations;
+extern const struct file_operations vxfs_dir_operations;
/* vxfs_olt.c */
extern int vxfs_read_olt(struct super_block *, u_long);
diff --git a/fs/freevxfs/vxfs_lookup.c b/fs/freevxfs/vxfs_lookup.c
index 554eb45..29cce45 100644
--- a/fs/freevxfs/vxfs_lookup.c
+++ b/fs/freevxfs/vxfs_lookup.c
@@ -56,7 +56,7 @@
.lookup = vxfs_lookup,
};
-struct file_operations vxfs_dir_operations = {
+const struct file_operations vxfs_dir_operations = {
.readdir = vxfs_readdir,
};
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 0c9a2ee..23d1f52 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -922,7 +922,7 @@
return 0;
}
-struct file_operations fuse_dev_operations = {
+const struct file_operations fuse_dev_operations = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.read = fuse_dev_read,
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index c72a8a9..256355b 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1170,7 +1170,7 @@
.removexattr = fuse_removexattr,
};
-static struct file_operations fuse_dir_operations = {
+static const struct file_operations fuse_dir_operations = {
.llseek = generic_file_llseek,
.read = generic_read_dir,
.readdir = fuse_readdir,
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 6f05379..975f269 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -12,7 +12,7 @@
#include <linux/slab.h>
#include <linux/kernel.h>
-static struct file_operations fuse_direct_io_file_operations;
+static const struct file_operations fuse_direct_io_file_operations;
static int fuse_send_open(struct inode *inode, struct file *file, int isdir,
struct fuse_open_out *outargp)
@@ -611,7 +611,7 @@
return 0;
}
-static struct file_operations fuse_file_operations = {
+static const struct file_operations fuse_file_operations = {
.llseek = generic_file_llseek,
.read = generic_file_read,
.write = generic_file_write,
@@ -623,7 +623,7 @@
.sendfile = generic_file_sendfile,
};
-static struct file_operations fuse_direct_io_file_operations = {
+static const struct file_operations fuse_direct_io_file_operations = {
.llseek = generic_file_llseek,
.read = fuse_direct_read,
.write = fuse_direct_write,
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 4a83adf..a16a04f 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -346,7 +346,7 @@
}
/** Device operations */
-extern struct file_operations fuse_dev_operations;
+extern const struct file_operations fuse_dev_operations;
/**
* This is the single global spinlock which protects FUSE's structures
diff --git a/fs/hfs/dir.c b/fs/hfs/dir.c
index 534e5a7..7cd8cc0 100644
--- a/fs/hfs/dir.c
+++ b/fs/hfs/dir.c
@@ -313,7 +313,7 @@
return res;
}
-struct file_operations hfs_dir_operations = {
+const struct file_operations hfs_dir_operations = {
.read = generic_read_dir,
.readdir = hfs_readdir,
.llseek = generic_file_llseek,
diff --git a/fs/hfs/hfs_fs.h b/fs/hfs/hfs_fs.h
index 18ce47a..3ed8663 100644
--- a/fs/hfs/hfs_fs.h
+++ b/fs/hfs/hfs_fs.h
@@ -169,7 +169,7 @@
extern void hfs_cat_build_key(struct super_block *, btree_key *, u32, struct qstr *);
/* dir.c */
-extern struct file_operations hfs_dir_operations;
+extern const struct file_operations hfs_dir_operations;
extern struct inode_operations hfs_dir_inode_operations;
/* extent.c */
diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index 2c56470..2d4ced2 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -17,7 +17,7 @@
#include "hfs_fs.h"
#include "btree.h"
-static struct file_operations hfs_file_operations;
+static const struct file_operations hfs_file_operations;
static struct inode_operations hfs_file_inode_operations;
/*================ Variable-like macros ================*/
@@ -601,7 +601,7 @@
}
-static struct file_operations hfs_file_operations = {
+static const struct file_operations hfs_file_operations = {
.llseek = generic_file_llseek,
.read = generic_file_read,
.write = generic_file_write,
diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c
index 01a6fe3..1f9ece0 100644
--- a/fs/hfsplus/dir.c
+++ b/fs/hfsplus/dir.c
@@ -483,7 +483,7 @@
.rename = hfsplus_rename,
};
-struct file_operations hfsplus_dir_operations = {
+const struct file_operations hfsplus_dir_operations = {
.read = generic_read_dir,
.readdir = hfsplus_readdir,
.ioctl = hfsplus_ioctl,
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 9fbe4d2..acf66db 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -280,7 +280,7 @@
.listxattr = hfsplus_listxattr,
};
-static struct file_operations hfsplus_file_operations = {
+static const struct file_operations hfsplus_file_operations = {
.llseek = generic_file_llseek,
.read = generic_file_read,
.write = generic_file_write,
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index b3ad0bd..bf0f8e1 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -384,7 +384,7 @@
return fsync_file(HOSTFS_I(dentry->d_inode)->fd, datasync);
}
-static struct file_operations hostfs_file_fops = {
+static const struct file_operations hostfs_file_fops = {
.llseek = generic_file_llseek,
.read = generic_file_read,
.sendfile = generic_file_sendfile,
@@ -399,7 +399,7 @@
.fsync = hostfs_fsync,
};
-static struct file_operations hostfs_dir_fops = {
+static const struct file_operations hostfs_dir_fops = {
.llseek = generic_file_llseek,
.readdir = hostfs_readdir,
.read = generic_read_dir,
diff --git a/fs/hpfs/dir.c b/fs/hpfs/dir.c
index 5591f96..ecc9180 100644
--- a/fs/hpfs/dir.c
+++ b/fs/hpfs/dir.c
@@ -310,7 +310,7 @@
return ERR_PTR(-ENOENT);
}
-struct file_operations hpfs_dir_ops =
+const struct file_operations hpfs_dir_ops =
{
.llseek = hpfs_dir_lseek,
.read = generic_read_dir,
diff --git a/fs/hpfs/file.c b/fs/hpfs/file.c
index 7c995ac..d3b9fff 100644
--- a/fs/hpfs/file.c
+++ b/fs/hpfs/file.c
@@ -119,7 +119,7 @@
return retval;
}
-struct file_operations hpfs_file_ops =
+const struct file_operations hpfs_file_ops =
{
.llseek = generic_file_llseek,
.read = generic_file_read,
diff --git a/fs/hpfs/hpfs_fn.h b/fs/hpfs/hpfs_fn.h
index 4c6473a..29b7a3e 100644
--- a/fs/hpfs/hpfs_fn.h
+++ b/fs/hpfs/hpfs_fn.h
@@ -240,7 +240,7 @@
/* dir.c */
struct dentry *hpfs_lookup(struct inode *, struct dentry *, struct nameidata *);
-extern struct file_operations hpfs_dir_ops;
+extern const struct file_operations hpfs_dir_ops;
/* dnode.c */
@@ -266,7 +266,7 @@
/* file.c */
int hpfs_file_fsync(struct file *, struct dentry *, int);
-extern struct file_operations hpfs_file_ops;
+extern const struct file_operations hpfs_file_ops;
extern struct inode_operations hpfs_file_iops;
extern struct address_space_operations hpfs_aops;
diff --git a/fs/hppfs/hppfs_kern.c b/fs/hppfs/hppfs_kern.c
index a44dc58..2ba20cd 100644
--- a/fs/hppfs/hppfs_kern.c
+++ b/fs/hppfs/hppfs_kern.c
@@ -558,7 +558,7 @@
return(default_llseek(file, off, where));
}
-static struct file_operations hppfs_file_fops = {
+static const struct file_operations hppfs_file_fops = {
.owner = NULL,
.llseek = hppfs_llseek,
.read = hppfs_read,
@@ -609,7 +609,7 @@
return(0);
}
-static struct file_operations hppfs_dir_fops = {
+static const struct file_operations hppfs_dir_fops = {
.owner = NULL,
.readdir = hppfs_readdir,
.open = hppfs_dir_open,
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 25fa8bb..3a5b4e9 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -35,7 +35,7 @@
static struct super_operations hugetlbfs_ops;
static struct address_space_operations hugetlbfs_aops;
-struct file_operations hugetlbfs_file_operations;
+const struct file_operations hugetlbfs_file_operations;
static struct inode_operations hugetlbfs_dir_inode_operations;
static struct inode_operations hugetlbfs_inode_operations;
@@ -566,7 +566,7 @@
inode_init_once(&ei->vfs_inode);
}
-struct file_operations hugetlbfs_file_operations = {
+const struct file_operations hugetlbfs_file_operations = {
.mmap = hugetlbfs_file_mmap,
.fsync = simple_sync_file,
.get_unmapped_area = hugetlb_get_unmapped_area,
diff --git a/fs/inode.c b/fs/inode.c
index 1fddf28..32b7c33 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -104,7 +104,7 @@
{
static struct address_space_operations empty_aops;
static struct inode_operations empty_iops;
- static struct file_operations empty_fops;
+ static const struct file_operations empty_fops;
struct inode *inode;
if (sb->s_op->alloc_inode)
diff --git a/fs/inotify.c b/fs/inotify.c
index f48a3da..367c487 100644
--- a/fs/inotify.c
+++ b/fs/inotify.c
@@ -920,7 +920,7 @@
return ret;
}
-static struct file_operations inotify_fops = {
+static const struct file_operations inotify_fops = {
.poll = inotify_poll,
.read = inotify_read,
.release = inotify_release,
diff --git a/fs/isofs/dir.c b/fs/isofs/dir.c
index 7901ac9..5440ea29 100644
--- a/fs/isofs/dir.c
+++ b/fs/isofs/dir.c
@@ -16,7 +16,7 @@
static int isofs_readdir(struct file *, void *, filldir_t);
-struct file_operations isofs_dir_operations =
+const struct file_operations isofs_dir_operations =
{
.read = generic_read_dir,
.readdir = isofs_readdir,
diff --git a/fs/isofs/isofs.h b/fs/isofs/isofs.h
index 439a19b..b87ba06 100644
--- a/fs/isofs/isofs.h
+++ b/fs/isofs/isofs.h
@@ -175,6 +175,6 @@
}
extern struct inode_operations isofs_dir_inode_operations;
-extern struct file_operations isofs_dir_operations;
+extern const struct file_operations isofs_dir_operations;
extern struct address_space_operations isofs_symlink_aops;
extern struct export_operations isofs_export_ops;
diff --git a/fs/jffs/inode-v23.c b/fs/jffs/inode-v23.c
index 5a4519e..020cc09 100644
--- a/fs/jffs/inode-v23.c
+++ b/fs/jffs/inode-v23.c
@@ -55,9 +55,9 @@
static int jffs_remove(struct inode *dir, struct dentry *dentry, int type);
static struct super_operations jffs_ops;
-static struct file_operations jffs_file_operations;
+static const struct file_operations jffs_file_operations;
static struct inode_operations jffs_file_inode_operations;
-static struct file_operations jffs_dir_operations;
+static const struct file_operations jffs_dir_operations;
static struct inode_operations jffs_dir_inode_operations;
static struct address_space_operations jffs_address_operations;
@@ -1629,7 +1629,7 @@
}
-static struct file_operations jffs_file_operations =
+static const struct file_operations jffs_file_operations =
{
.open = generic_file_open,
.llseek = generic_file_llseek,
@@ -1649,7 +1649,7 @@
};
-static struct file_operations jffs_dir_operations =
+static const struct file_operations jffs_dir_operations =
{
.readdir = jffs_readdir,
};
diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c
index a7bf9cb..8bc7a50 100644
--- a/fs/jffs2/dir.c
+++ b/fs/jffs2/dir.c
@@ -37,7 +37,7 @@
static int jffs2_rename (struct inode *, struct dentry *,
struct inode *, struct dentry *);
-struct file_operations jffs2_dir_operations =
+const struct file_operations jffs2_dir_operations =
{
.read = generic_read_dir,
.readdir = jffs2_readdir,
diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c
index 935f273..9f41712 100644
--- a/fs/jffs2/file.c
+++ b/fs/jffs2/file.c
@@ -38,7 +38,7 @@
return 0;
}
-struct file_operations jffs2_file_operations =
+const struct file_operations jffs2_file_operations =
{
.llseek = generic_file_llseek,
.open = generic_file_open,
diff --git a/fs/jffs2/os-linux.h b/fs/jffs2/os-linux.h
index 59e7a39..d307cf5 100644
--- a/fs/jffs2/os-linux.h
+++ b/fs/jffs2/os-linux.h
@@ -159,11 +159,11 @@
void jffs2_garbage_collect_trigger(struct jffs2_sb_info *c);
/* dir.c */
-extern struct file_operations jffs2_dir_operations;
+extern const struct file_operations jffs2_dir_operations;
extern struct inode_operations jffs2_dir_inode_operations;
/* file.c */
-extern struct file_operations jffs2_file_operations;
+extern const struct file_operations jffs2_file_operations;
extern struct inode_operations jffs2_file_inode_operations;
extern struct address_space_operations jffs2_file_address_operations;
int jffs2_fsync(struct file *, struct dentry *, int);
diff --git a/fs/jfs/file.c b/fs/jfs/file.c
index e1ac6e4..1c9745b 100644
--- a/fs/jfs/file.c
+++ b/fs/jfs/file.c
@@ -100,7 +100,7 @@
#endif
};
-struct file_operations jfs_file_operations = {
+const struct file_operations jfs_file_operations = {
.open = jfs_open,
.llseek = generic_file_llseek,
.write = generic_file_write,
diff --git a/fs/jfs/jfs_inode.h b/fs/jfs/jfs_inode.h
index 095d471..c300726 100644
--- a/fs/jfs/jfs_inode.h
+++ b/fs/jfs/jfs_inode.h
@@ -35,9 +35,9 @@
extern struct address_space_operations jfs_aops;
extern struct inode_operations jfs_dir_inode_operations;
-extern struct file_operations jfs_dir_operations;
+extern const struct file_operations jfs_dir_operations;
extern struct inode_operations jfs_file_inode_operations;
-extern struct file_operations jfs_file_operations;
+extern const struct file_operations jfs_file_operations;
extern struct inode_operations jfs_symlink_inode_operations;
extern struct dentry_operations jfs_ci_dentry_operations;
#endif /* _H_JFS_INODE */
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index 309cee5..09ea03f 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -1519,7 +1519,7 @@
#endif
};
-struct file_operations jfs_dir_operations = {
+const struct file_operations jfs_dir_operations = {
.read = generic_read_dir,
.readdir = jfs_readdir,
.fsync = jfs_fsync,
diff --git a/fs/libfs.c b/fs/libfs.c
index 4fdeace..7145ba7 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -179,7 +179,7 @@
return -EISDIR;
}
-struct file_operations simple_dir_operations = {
+const struct file_operations simple_dir_operations = {
.open = dcache_dir_open,
.release = dcache_dir_close,
.llseek = dcache_dir_lseek,
diff --git a/fs/mbcache.c b/fs/mbcache.c
index 73e754f..e4fde1a 100644
--- a/fs/mbcache.c
+++ b/fs/mbcache.c
@@ -311,7 +311,7 @@
/*
* mb_cache_shrink()
*
- * Removes all cache entires of a device from the cache. All cache entries
+ * Removes all cache entries of a device from the cache. All cache entries
* currently in use cannot be freed, and thus remain in the cache. All others
* are freed.
*
diff --git a/fs/minix/dir.c b/fs/minix/dir.c
index 732502a..69224d1 100644
--- a/fs/minix/dir.c
+++ b/fs/minix/dir.c
@@ -14,7 +14,7 @@
static int minix_readdir(struct file *, void *, filldir_t);
-struct file_operations minix_dir_operations = {
+const struct file_operations minix_dir_operations = {
.read = generic_read_dir,
.readdir = minix_readdir,
.fsync = minix_sync_file,
diff --git a/fs/minix/file.c b/fs/minix/file.c
index f1d77ac..420b328 100644
--- a/fs/minix/file.c
+++ b/fs/minix/file.c
@@ -15,7 +15,7 @@
*/
int minix_sync_file(struct file *, struct dentry *, int);
-struct file_operations minix_file_operations = {
+const struct file_operations minix_file_operations = {
.llseek = generic_file_llseek,
.read = generic_file_read,
.write = generic_file_write,
diff --git a/fs/minix/minix.h b/fs/minix/minix.h
index e42a8bb..c55b77c 100644
--- a/fs/minix/minix.h
+++ b/fs/minix/minix.h
@@ -81,8 +81,8 @@
extern struct inode_operations minix_file_inode_operations;
extern struct inode_operations minix_dir_inode_operations;
-extern struct file_operations minix_file_operations;
-extern struct file_operations minix_dir_operations;
+extern const struct file_operations minix_file_operations;
+extern const struct file_operations minix_dir_operations;
extern struct dentry_operations minix_dentry_operations;
static inline struct minix_sb_info *minix_sb(struct super_block *sb)
diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c
index cfd76f4..f0860c6 100644
--- a/fs/ncpfs/dir.c
+++ b/fs/ncpfs/dir.c
@@ -49,7 +49,7 @@
#define ncp_symlink NULL
#endif
-struct file_operations ncp_dir_operations =
+const struct file_operations ncp_dir_operations =
{
.read = generic_read_dir,
.readdir = ncp_readdir,
diff --git a/fs/ncpfs/file.c b/fs/ncpfs/file.c
index ebdad8f..e6b7c67 100644
--- a/fs/ncpfs/file.c
+++ b/fs/ncpfs/file.c
@@ -283,7 +283,7 @@
return 0;
}
-struct file_operations ncp_file_operations =
+const struct file_operations ncp_file_operations =
{
.llseek = remote_llseek,
.read = ncp_file_read,
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 06c48b3..a23f348 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -54,7 +54,7 @@
static int nfs_fsync_dir(struct file *, struct dentry *, int);
static loff_t nfs_llseek_dir(struct file *, loff_t, int);
-struct file_operations nfs_dir_operations = {
+const struct file_operations nfs_dir_operations = {
.llseek = nfs_llseek_dir,
.read = generic_read_dir,
.readdir = nfs_readdir,
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index dee49a0..f1df2c8 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -49,7 +49,7 @@
static int nfs_lock(struct file *filp, int cmd, struct file_lock *fl);
static int nfs_flock(struct file *filp, int cmd, struct file_lock *fl);
-struct file_operations nfs_file_operations = {
+const struct file_operations nfs_file_operations = {
.llseek = nfs_file_llseek,
.read = do_sync_read,
.write = do_sync_write,
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index c8960af..3ef017b 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -134,7 +134,7 @@
return simple_transaction_read(file, buf, size, pos);
}
-static struct file_operations transaction_ops = {
+static const struct file_operations transaction_ops = {
.write = nfsctl_transaction_write,
.read = nfsctl_transaction_read,
.release = simple_transaction_release,
@@ -146,7 +146,7 @@
return seq_open(file, &nfs_exports_op);
}
-static struct file_operations exports_operations = {
+static const struct file_operations exports_operations = {
.open = exports_open,
.read = seq_read,
.llseek = seq_lseek,
diff --git a/fs/nfsd/stats.c b/fs/nfsd/stats.c
index 1cf955b..57265d5 100644
--- a/fs/nfsd/stats.c
+++ b/fs/nfsd/stats.c
@@ -80,7 +80,7 @@
return single_open(file, nfsd_proc_show, NULL);
}
-static struct file_operations nfsd_proc_fops = {
+static const struct file_operations nfsd_proc_fops = {
.owner = THIS_MODULE,
.open = nfsd_proc_open,
.read = seq_read,
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 5320e5a..3101833 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -706,7 +706,7 @@
* after it.
*/
static inline int nfsd_dosync(struct file *filp, struct dentry *dp,
- struct file_operations *fop)
+ const struct file_operations *fop)
{
struct inode *inode = dp->d_inode;
int (*fsync) (struct file *, struct dentry *, int);
diff --git a/fs/ntfs/dir.c b/fs/ntfs/dir.c
index 9d9ed3f..d1e2c6f 100644
--- a/fs/ntfs/dir.c
+++ b/fs/ntfs/dir.c
@@ -1553,7 +1553,7 @@
#endif /* NTFS_RW */
-struct file_operations ntfs_dir_ops = {
+const struct file_operations ntfs_dir_ops = {
.llseek = generic_file_llseek, /* Seek inside directory. */
.read = generic_read_dir, /* Return -EISDIR. */
.readdir = ntfs_readdir, /* Read directory contents. */
diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index f5d057e..c63a83e 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -2294,7 +2294,7 @@
#endif /* NTFS_RW */
-struct file_operations ntfs_file_ops = {
+const struct file_operations ntfs_file_ops = {
.llseek = generic_file_llseek, /* Seek inside file. */
.read = generic_file_read, /* Read from file. */
.aio_read = generic_file_aio_read, /* Async read from file. */
@@ -2337,6 +2337,6 @@
#endif /* NTFS_RW */
};
-struct file_operations ntfs_empty_file_ops = {};
+const struct file_operations ntfs_empty_file_ops = {};
struct inode_operations ntfs_empty_inode_ops = {};
diff --git a/fs/ntfs/ntfs.h b/fs/ntfs/ntfs.h
index 1661429..bf7b3d7 100644
--- a/fs/ntfs/ntfs.h
+++ b/fs/ntfs/ntfs.h
@@ -60,13 +60,13 @@
extern struct address_space_operations ntfs_aops;
extern struct address_space_operations ntfs_mst_aops;
-extern struct file_operations ntfs_file_ops;
+extern const struct file_operations ntfs_file_ops;
extern struct inode_operations ntfs_file_inode_ops;
-extern struct file_operations ntfs_dir_ops;
+extern const struct file_operations ntfs_dir_ops;
extern struct inode_operations ntfs_dir_inode_ops;
-extern struct file_operations ntfs_empty_file_ops;
+extern const struct file_operations ntfs_empty_file_ops;
extern struct inode_operations ntfs_empty_inode_ops;
extern struct export_operations ntfs_export_ops;
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index 84f153a..64cd528 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -2017,7 +2017,7 @@
return ret;
}
-static struct file_operations ocfs2_dlm_debug_fops = {
+static const struct file_operations ocfs2_dlm_debug_fops = {
.open = ocfs2_dlm_debug_open,
.release = ocfs2_dlm_debug_release,
.read = seq_read,
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 4b4cbad..34e903a 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -1176,7 +1176,7 @@
.getattr = ocfs2_getattr,
};
-struct file_operations ocfs2_fops = {
+const struct file_operations ocfs2_fops = {
.read = do_sync_read,
.write = do_sync_write,
.sendfile = generic_file_sendfile,
@@ -1188,7 +1188,7 @@
.aio_write = ocfs2_file_aio_write,
};
-struct file_operations ocfs2_dops = {
+const struct file_operations ocfs2_dops = {
.read = generic_read_dir,
.readdir = ocfs2_readdir,
.fsync = ocfs2_sync_file,
diff --git a/fs/ocfs2/file.h b/fs/ocfs2/file.h
index a5ea33b..740c9e7 100644
--- a/fs/ocfs2/file.h
+++ b/fs/ocfs2/file.h
@@ -26,8 +26,8 @@
#ifndef OCFS2_FILE_H
#define OCFS2_FILE_H
-extern struct file_operations ocfs2_fops;
-extern struct file_operations ocfs2_dops;
+extern const struct file_operations ocfs2_fops;
+extern const struct file_operations ocfs2_dops;
extern struct inode_operations ocfs2_file_iops;
extern struct inode_operations ocfs2_special_file_iops;
struct ocfs2_alloc_context;
diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c
index aeb0106..0f14276 100644
--- a/fs/openpromfs/inode.c
+++ b/fs/openpromfs/inode.c
@@ -581,17 +581,17 @@
return 0;
}
-static struct file_operations openpromfs_prop_ops = {
+static const struct file_operations openpromfs_prop_ops = {
.read = property_read,
.write = property_write,
.release = property_release,
};
-static struct file_operations openpromfs_nodenum_ops = {
+static const struct file_operations openpromfs_nodenum_ops = {
.read = nodenum_read,
};
-static struct file_operations openprom_operations = {
+static const struct file_operations openprom_operations = {
.read = generic_read_dir,
.readdir = openpromfs_readdir,
};
diff --git a/fs/pipe.c b/fs/pipe.c
index 4384c92..e2f4f1d 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -568,7 +568,7 @@
* The file_operations structs are not static because they
* are also used in linux/fs/fifo.c to do operations on FIFOs.
*/
-struct file_operations read_fifo_fops = {
+const struct file_operations read_fifo_fops = {
.llseek = no_llseek,
.read = pipe_read,
.readv = pipe_readv,
@@ -580,7 +580,7 @@
.fasync = pipe_read_fasync,
};
-struct file_operations write_fifo_fops = {
+const struct file_operations write_fifo_fops = {
.llseek = no_llseek,
.read = bad_pipe_r,
.write = pipe_write,
@@ -592,7 +592,7 @@
.fasync = pipe_write_fasync,
};
-struct file_operations rdwr_fifo_fops = {
+const struct file_operations rdwr_fifo_fops = {
.llseek = no_llseek,
.read = pipe_read,
.readv = pipe_readv,
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 47b7a20..4ba0300 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -560,7 +560,7 @@
struct file * filp = list_entry(p, struct file, f_u.fu_list);
struct dentry * dentry = filp->f_dentry;
struct inode * inode;
- struct file_operations *fops;
+ const struct file_operations *fops;
if (dentry->d_op != &proc_dentry_operations)
continue;
diff --git a/fs/proc/internal.h b/fs/proc/internal.h
index 95a1cf3..0502f17 100644
--- a/fs/proc/internal.h
+++ b/fs/proc/internal.h
@@ -30,7 +30,7 @@
#endif
-extern void create_seq_entry(char *name, mode_t mode, struct file_operations *f);
+extern void create_seq_entry(char *name, mode_t mode, const struct file_operations *f);
extern int proc_exe_link(struct inode *, struct dentry **, struct vfsmount **);
extern int proc_tid_stat(struct task_struct *, char *);
extern int proc_tgid_stat(struct task_struct *, char *);
diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
index adc2cd9..17f6e8f 100644
--- a/fs/proc/kcore.c
+++ b/fs/proc/kcore.c
@@ -31,7 +31,7 @@
static ssize_t read_kcore(struct file *, char __user *, size_t, loff_t *);
-struct file_operations proc_kcore_operations = {
+const struct file_operations proc_kcore_operations = {
.read = read_kcore,
.open = open_kcore,
};
diff --git a/fs/proc/kmsg.c b/fs/proc/kmsg.c
index 10d37bf..ff3b90b 100644
--- a/fs/proc/kmsg.c
+++ b/fs/proc/kmsg.c
@@ -47,7 +47,7 @@
}
-struct file_operations proc_kmsg_operations = {
+const struct file_operations proc_kmsg_operations = {
.read = kmsg_read,
.poll = kmsg_poll,
.open = kmsg_open,
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 1e9ea37..ef5a332 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -534,7 +534,7 @@
if (wall_to_monotonic.tv_nsec)
--jif;
- for_each_cpu(i) {
+ for_each_possible_cpu(i) {
int j;
user = cputime64_add(user, kstat_cpu(i).cpustat.user);
@@ -731,7 +731,7 @@
struct proc_dir_entry *proc_root_kcore;
-void create_seq_entry(char *name, mode_t mode, struct file_operations *f)
+void create_seq_entry(char *name, mode_t mode, const struct file_operations *f)
{
struct proc_dir_entry *entry;
entry = create_proc_entry(name, mode, NULL);
diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index 4063fb3..7efa73d 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc/vmcore.c
@@ -172,7 +172,7 @@
return 0;
}
-struct file_operations proc_vmcore_operations = {
+const struct file_operations proc_vmcore_operations = {
.read = read_vmcore,
.open = open_vmcore,
};
diff --git a/fs/qnx4/dir.c b/fs/qnx4/dir.c
index 7a8f559..9031948 100644
--- a/fs/qnx4/dir.c
+++ b/fs/qnx4/dir.c
@@ -81,7 +81,7 @@
return 0;
}
-struct file_operations qnx4_dir_operations =
+const struct file_operations qnx4_dir_operations =
{
.read = generic_read_dir,
.readdir = qnx4_readdir,
diff --git a/fs/qnx4/file.c b/fs/qnx4/file.c
index c33963f..62af4b1 100644
--- a/fs/qnx4/file.c
+++ b/fs/qnx4/file.c
@@ -19,7 +19,7 @@
* We have mostly NULL's here: the current defaults are ok for
* the qnx4 filesystem.
*/
-struct file_operations qnx4_file_operations =
+const struct file_operations qnx4_file_operations =
{
.llseek = generic_file_llseek,
.read = generic_file_read,
diff --git a/fs/ramfs/file-mmu.c b/fs/ramfs/file-mmu.c
index 6ada209..00a933e 100644
--- a/fs/ramfs/file-mmu.c
+++ b/fs/ramfs/file-mmu.c
@@ -32,7 +32,7 @@
.commit_write = simple_commit_write
};
-struct file_operations ramfs_file_operations = {
+const struct file_operations ramfs_file_operations = {
.read = generic_file_read,
.write = generic_file_write,
.mmap = generic_file_mmap,
diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c
index b1ca234..f443a84 100644
--- a/fs/ramfs/file-nommu.c
+++ b/fs/ramfs/file-nommu.c
@@ -33,7 +33,7 @@
.commit_write = simple_commit_write
};
-struct file_operations ramfs_file_operations = {
+const struct file_operations ramfs_file_operations = {
.mmap = ramfs_nommu_mmap,
.get_unmapped_area = ramfs_nommu_get_unmapped_area,
.read = generic_file_read,
diff --git a/fs/ramfs/internal.h b/fs/ramfs/internal.h
index 272c8a7..3132376 100644
--- a/fs/ramfs/internal.h
+++ b/fs/ramfs/internal.h
@@ -11,5 +11,5 @@
extern struct address_space_operations ramfs_aops;
-extern struct file_operations ramfs_file_operations;
+extern const struct file_operations ramfs_file_operations;
extern struct inode_operations ramfs_file_inode_operations;
diff --git a/fs/read_write.c b/fs/read_write.c
index 34b1bf2..6256ca8 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -19,7 +19,7 @@
#include <asm/uaccess.h>
#include <asm/unistd.h>
-struct file_operations generic_ro_fops = {
+const struct file_operations generic_ro_fops = {
.llseek = generic_file_llseek,
.read = generic_file_read,
.mmap = generic_file_readonly_mmap,
diff --git a/fs/reiserfs/dir.c b/fs/reiserfs/dir.c
index d71ac65..973c819 100644
--- a/fs/reiserfs/dir.c
+++ b/fs/reiserfs/dir.c
@@ -18,7 +18,7 @@
static int reiserfs_dir_fsync(struct file *filp, struct dentry *dentry,
int datasync);
-struct file_operations reiserfs_dir_operations = {
+const struct file_operations reiserfs_dir_operations = {
.read = generic_read_dir,
.readdir = reiserfs_readdir,
.fsync = reiserfs_dir_fsync,
diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index d0c1e86..010094d1 100644
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -1566,7 +1566,7 @@
return generic_file_aio_write(iocb, buf, count, pos);
}
-struct file_operations reiserfs_file_operations = {
+const struct file_operations reiserfs_file_operations = {
.read = generic_file_read,
.write = reiserfs_file_write,
.ioctl = reiserfs_ioctl,
diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c
index ef6caed..731688e 100644
--- a/fs/reiserfs/procfs.c
+++ b/fs/reiserfs/procfs.c
@@ -470,7 +470,7 @@
return ret;
}
-static struct file_operations r_file_operations = {
+static const struct file_operations r_file_operations = {
.open = r_open,
.read = seq_read,
.llseek = seq_lseek,
diff --git a/fs/romfs/inode.c b/fs/romfs/inode.c
index c2fc424..9b9eda7 100644
--- a/fs/romfs/inode.c
+++ b/fs/romfs/inode.c
@@ -463,7 +463,7 @@
.readpage = romfs_readpage
};
-static struct file_operations romfs_dir_operations = {
+static const struct file_operations romfs_dir_operations = {
.read = generic_read_dir,
.readdir = romfs_readdir,
};
diff --git a/fs/select.c b/fs/select.c
index 1815a57..b3a3a13 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -29,12 +29,6 @@
#define ROUND_UP(x,y) (((x)+(y)-1)/(y))
#define DEFAULT_POLLMASK (POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM)
-struct poll_table_entry {
- struct file * filp;
- wait_queue_t wait;
- wait_queue_head_t * wait_address;
-};
-
struct poll_table_page {
struct poll_table_page * next;
struct poll_table_entry * entry;
@@ -64,13 +58,23 @@
init_poll_funcptr(&pwq->pt, __pollwait);
pwq->error = 0;
pwq->table = NULL;
+ pwq->inline_index = 0;
}
EXPORT_SYMBOL(poll_initwait);
+static void free_poll_entry(struct poll_table_entry *entry)
+{
+ remove_wait_queue(entry->wait_address,&entry->wait);
+ fput(entry->filp);
+}
+
void poll_freewait(struct poll_wqueues *pwq)
{
struct poll_table_page * p = pwq->table;
+ int i;
+ for (i = 0; i < pwq->inline_index; i++)
+ free_poll_entry(pwq->inline_entries + i);
while (p) {
struct poll_table_entry * entry;
struct poll_table_page *old;
@@ -78,8 +82,7 @@
entry = p->entry;
do {
entry--;
- remove_wait_queue(entry->wait_address,&entry->wait);
- fput(entry->filp);
+ free_poll_entry(entry);
} while (entry > p->entries);
old = p;
p = p->next;
@@ -89,12 +92,14 @@
EXPORT_SYMBOL(poll_freewait);
-static void __pollwait(struct file *filp, wait_queue_head_t *wait_address,
- poll_table *_p)
+static struct poll_table_entry *poll_get_entry(poll_table *_p)
{
struct poll_wqueues *p = container_of(_p, struct poll_wqueues, pt);
struct poll_table_page *table = p->table;
+ if (p->inline_index < N_INLINE_POLL_ENTRIES)
+ return p->inline_entries + p->inline_index++;
+
if (!table || POLL_TABLE_FULL(table)) {
struct poll_table_page *new_table;
@@ -102,7 +107,7 @@
if (!new_table) {
p->error = -ENOMEM;
__set_current_state(TASK_RUNNING);
- return;
+ return NULL;
}
new_table->entry = new_table->entries;
new_table->next = table;
@@ -110,16 +115,21 @@
table = new_table;
}
- /* Add a new entry */
- {
- struct poll_table_entry * entry = table->entry;
- table->entry = entry+1;
- get_file(filp);
- entry->filp = filp;
- entry->wait_address = wait_address;
- init_waitqueue_entry(&entry->wait, current);
- add_wait_queue(wait_address,&entry->wait);
- }
+ return table->entry++;
+}
+
+/* Add a new entry */
+static void __pollwait(struct file *filp, wait_queue_head_t *wait_address,
+ poll_table *p)
+{
+ struct poll_table_entry *entry = poll_get_entry(p);
+ if (!entry)
+ return;
+ get_file(filp);
+ entry->filp = filp;
+ entry->wait_address = wait_address;
+ init_waitqueue_entry(&entry->wait, current);
+ add_wait_queue(wait_address,&entry->wait);
}
#define FDS_IN(fds, n) (fds->in + n)
@@ -210,7 +220,7 @@
for (i = 0; i < n; ++rinp, ++routp, ++rexp) {
unsigned long in, out, ex, all_bits, bit = 1, mask, j;
unsigned long res_in = 0, res_out = 0, res_ex = 0;
- struct file_operations *f_op = NULL;
+ const struct file_operations *f_op = NULL;
struct file *file = NULL;
in = *inp++; out = *outp++; ex = *exp++;
@@ -221,17 +231,18 @@
}
for (j = 0; j < __NFDBITS; ++j, ++i, bit <<= 1) {
+ int fput_needed;
if (i >= n)
break;
if (!(bit & all_bits))
continue;
- file = fget(i);
+ file = fget_light(i, &fput_needed);
if (file) {
f_op = file->f_op;
mask = DEFAULT_POLLMASK;
if (f_op && f_op->poll)
mask = (*f_op->poll)(file, retval ? NULL : wait);
- fput(file);
+ fput_light(file, fput_needed);
if ((mask & POLLIN_SET) && (in & bit)) {
res_in |= bit;
retval++;
@@ -284,16 +295,6 @@
return retval;
}
-static void *select_bits_alloc(int size)
-{
- return kmalloc(6 * size, GFP_KERNEL);
-}
-
-static void select_bits_free(void *bits, int size)
-{
- kfree(bits);
-}
-
/*
* We can actually return ERESTARTSYS instead of EINTR, but I'd
* like to be certain this leads to no problems. So I return
@@ -312,6 +313,8 @@
char *bits;
int ret, size, max_fdset;
struct fdtable *fdt;
+ /* Allocate small arguments on the stack to save memory and be faster */
+ char stack_fds[SELECT_STACK_ALLOC];
ret = -EINVAL;
if (n < 0)
@@ -332,7 +335,10 @@
*/
ret = -ENOMEM;
size = FDS_BYTES(n);
- bits = select_bits_alloc(size);
+ if (6*size < SELECT_STACK_ALLOC)
+ bits = stack_fds;
+ else
+ bits = kmalloc(6 * size, GFP_KERNEL);
if (!bits)
goto out_nofds;
fds.in = (unsigned long *) bits;
@@ -367,7 +373,8 @@
ret = -EFAULT;
out:
- select_bits_free(bits, size);
+ if (bits != stack_fds)
+ kfree(bits);
out_nofds:
return ret;
}
@@ -551,14 +558,15 @@
fdp = fdpage+i;
fd = fdp->fd;
if (fd >= 0) {
- struct file * file = fget(fd);
+ int fput_needed;
+ struct file * file = fget_light(fd, &fput_needed);
mask = POLLNVAL;
if (file != NULL) {
mask = DEFAULT_POLLMASK;
if (file->f_op && file->f_op->poll)
mask = file->f_op->poll(file, *pwait);
mask &= fdp->events | POLLERR | POLLHUP;
- fput(file);
+ fput_light(file, fput_needed);
}
if (mask) {
*pwait = NULL;
@@ -619,6 +627,9 @@
return count;
}
+#define N_STACK_PPS ((sizeof(stack_pps) - sizeof(struct poll_list)) / \
+ sizeof(struct pollfd))
+
int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds, s64 *timeout)
{
struct poll_wqueues table;
@@ -628,6 +639,9 @@
struct poll_list *walk;
struct fdtable *fdt;
int max_fdset;
+ /* Allocate small arguments on the stack to save memory and be faster */
+ char stack_pps[POLL_STACK_ALLOC];
+ struct poll_list *stack_pp = NULL;
/* Do a sanity check on nfds ... */
rcu_read_lock();
@@ -645,14 +659,23 @@
err = -ENOMEM;
while(i!=0) {
struct poll_list *pp;
- pp = kmalloc(sizeof(struct poll_list)+
- sizeof(struct pollfd)*
- (i>POLLFD_PER_PAGE?POLLFD_PER_PAGE:i),
- GFP_KERNEL);
- if(pp==NULL)
- goto out_fds;
+ int num, size;
+ if (stack_pp == NULL)
+ num = N_STACK_PPS;
+ else
+ num = POLLFD_PER_PAGE;
+ if (num > i)
+ num = i;
+ size = sizeof(struct poll_list) + sizeof(struct pollfd)*num;
+ if (!stack_pp)
+ stack_pp = pp = (struct poll_list *)stack_pps;
+ else {
+ pp = kmalloc(size, GFP_KERNEL);
+ if (!pp)
+ goto out_fds;
+ }
pp->next=NULL;
- pp->len = (i>POLLFD_PER_PAGE?POLLFD_PER_PAGE:i);
+ pp->len = num;
if (head == NULL)
head = pp;
else
@@ -660,7 +683,7 @@
walk = pp;
if (copy_from_user(pp->entries, ufds + nfds-i,
- sizeof(struct pollfd)*pp->len)) {
+ sizeof(struct pollfd)*num)) {
err = -EFAULT;
goto out_fds;
}
@@ -689,7 +712,8 @@
walk = head;
while(walk!=NULL) {
struct poll_list *pp = walk->next;
- kfree(walk);
+ if (walk != stack_pp)
+ kfree(walk);
walk = pp;
}
poll_freewait(&table);
diff --git a/fs/smbfs/dir.c b/fs/smbfs/dir.c
index 0424d06..34c7a11 100644
--- a/fs/smbfs/dir.c
+++ b/fs/smbfs/dir.c
@@ -34,7 +34,7 @@
static int smb_make_node(struct inode *,struct dentry *,int,dev_t);
static int smb_link(struct dentry *, struct inode *, struct dentry *);
-struct file_operations smb_dir_operations =
+const struct file_operations smb_dir_operations =
{
.read = generic_read_dir,
.readdir = smb_readdir,
diff --git a/fs/smbfs/file.c b/fs/smbfs/file.c
index 7042e62..c56bd99 100644
--- a/fs/smbfs/file.c
+++ b/fs/smbfs/file.c
@@ -401,7 +401,7 @@
return error;
}
-struct file_operations smb_file_operations =
+const struct file_operations smb_file_operations =
{
.llseek = remote_llseek,
.read = smb_file_read,
diff --git a/fs/smbfs/proto.h b/fs/smbfs/proto.h
index e866ec8..4766459 100644
--- a/fs/smbfs/proto.h
+++ b/fs/smbfs/proto.h
@@ -35,7 +35,7 @@
extern int smb_proc_link(struct smb_sb_info *server, struct dentry *dentry, struct dentry *new_dentry);
extern void smb_install_null_ops(struct smb_ops *ops);
/* dir.c */
-extern struct file_operations smb_dir_operations;
+extern const struct file_operations smb_dir_operations;
extern struct inode_operations smb_dir_inode_operations;
extern struct inode_operations smb_dir_inode_operations_unix;
extern void smb_new_dentry(struct dentry *dentry);
@@ -64,7 +64,7 @@
extern int smb_notify_change(struct dentry *dentry, struct iattr *attr);
/* file.c */
extern struct address_space_operations smb_file_aops;
-extern struct file_operations smb_file_operations;
+extern const struct file_operations smb_file_operations;
extern struct inode_operations smb_file_inode_operations;
/* ioctl.c */
extern int smb_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg);
diff --git a/fs/sysfs/bin.c b/fs/sysfs/bin.c
index 78899ee..c16a93c 100644
--- a/fs/sysfs/bin.c
+++ b/fs/sysfs/bin.c
@@ -163,7 +163,7 @@
return 0;
}
-struct file_operations bin_fops = {
+const struct file_operations bin_fops = {
.read = read,
.write = write,
.mmap = mmap,
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index 9ee9568..f26880a 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -503,7 +503,7 @@
return offset;
}
-struct file_operations sysfs_dir_operations = {
+const struct file_operations sysfs_dir_operations = {
.open = sysfs_dir_open,
.release = sysfs_dir_close,
.llseek = sysfs_dir_lseek,
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index 5e83e72..830f76fa 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -348,7 +348,7 @@
return 0;
}
-struct file_operations sysfs_file_operations = {
+const struct file_operations sysfs_file_operations = {
.read = sysfs_read_file,
.write = sysfs_write_file,
.llseek = generic_file_llseek,
diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h
index cf11d5b..32958a7 100644
--- a/fs/sysfs/sysfs.h
+++ b/fs/sysfs/sysfs.h
@@ -21,9 +21,9 @@
extern struct rw_semaphore sysfs_rename_sem;
extern struct super_block * sysfs_sb;
-extern struct file_operations sysfs_dir_operations;
-extern struct file_operations sysfs_file_operations;
-extern struct file_operations bin_fops;
+extern const struct file_operations sysfs_dir_operations;
+extern const struct file_operations sysfs_file_operations;
+extern const struct file_operations bin_fops;
extern struct inode_operations sysfs_dir_inode_operations;
extern struct inode_operations sysfs_symlink_inode_operations;
diff --git a/fs/sysv/dir.c b/fs/sysv/dir.c
index cce8b05..8c66e92 100644
--- a/fs/sysv/dir.c
+++ b/fs/sysv/dir.c
@@ -20,7 +20,7 @@
static int sysv_readdir(struct file *, void *, filldir_t);
-struct file_operations sysv_dir_operations = {
+const struct file_operations sysv_dir_operations = {
.read = generic_read_dir,
.readdir = sysv_readdir,
.fsync = sysv_sync_file,
diff --git a/fs/sysv/file.c b/fs/sysv/file.c
index da69abc..a59e303 100644
--- a/fs/sysv/file.c
+++ b/fs/sysv/file.c
@@ -19,7 +19,7 @@
* We have mostly NULLs here: the current defaults are OK for
* the coh filesystem.
*/
-struct file_operations sysv_file_operations = {
+const struct file_operations sysv_file_operations = {
.llseek = generic_file_llseek,
.read = generic_file_read,
.write = generic_file_write,
diff --git a/fs/sysv/sysv.h b/fs/sysv/sysv.h
index b7f9b4a..393a480 100644
--- a/fs/sysv/sysv.h
+++ b/fs/sysv/sysv.h
@@ -159,8 +159,8 @@
extern struct inode_operations sysv_file_inode_operations;
extern struct inode_operations sysv_dir_inode_operations;
extern struct inode_operations sysv_fast_symlink_inode_operations;
-extern struct file_operations sysv_file_operations;
-extern struct file_operations sysv_dir_operations;
+extern const struct file_operations sysv_file_operations;
+extern const struct file_operations sysv_dir_operations;
extern struct address_space_operations sysv_aops;
extern struct super_operations sysv_sops;
extern struct dentry_operations sysv_dentry_operations;
diff --git a/fs/udf/dir.c b/fs/udf/dir.c
index f522252..8c28efa 100644
--- a/fs/udf/dir.c
+++ b/fs/udf/dir.c
@@ -42,7 +42,7 @@
/* readdir and lookup functions */
-struct file_operations udf_dir_operations = {
+const struct file_operations udf_dir_operations = {
.read = generic_read_dir,
.readdir = udf_readdir,
.ioctl = udf_ioctl,
diff --git a/fs/udf/file.c b/fs/udf/file.c
index a6f2acc..e34b00e 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -248,7 +248,7 @@
return 0;
}
-struct file_operations udf_file_operations = {
+const struct file_operations udf_file_operations = {
.read = generic_file_read,
.ioctl = udf_ioctl,
.open = generic_file_open,
diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
index 1d5800e..023e19b 100644
--- a/fs/udf/udfdecl.h
+++ b/fs/udf/udfdecl.h
@@ -44,9 +44,9 @@
struct super_block;
extern struct inode_operations udf_dir_inode_operations;
-extern struct file_operations udf_dir_operations;
+extern const struct file_operations udf_dir_operations;
extern struct inode_operations udf_file_inode_operations;
-extern struct file_operations udf_file_operations;
+extern const struct file_operations udf_file_operations;
extern struct address_space_operations udf_aops;
extern struct address_space_operations udf_adinicb_aops;
extern struct address_space_operations udf_symlink_aops;
diff --git a/fs/ufs/dir.c b/fs/ufs/dir.c
index 7c10c68..1a56120 100644
--- a/fs/ufs/dir.c
+++ b/fs/ufs/dir.c
@@ -620,7 +620,7 @@
return 1;
}
-struct file_operations ufs_dir_operations = {
+const struct file_operations ufs_dir_operations = {
.read = generic_read_dir,
.readdir = ufs_readdir,
.fsync = file_fsync,
diff --git a/fs/ufs/file.c b/fs/ufs/file.c
index 62ad481..312fd3f 100644
--- a/fs/ufs/file.c
+++ b/fs/ufs/file.c
@@ -31,7 +31,7 @@
* the ufs filesystem.
*/
-struct file_operations ufs_file_operations = {
+const struct file_operations ufs_file_operations = {
.llseek = generic_file_llseek,
.read = generic_file_read,
.write = generic_file_write,
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index 185567a..85997b1 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -528,7 +528,7 @@
}
#endif /* HAVE_FOP_OPEN_EXEC */
-struct file_operations xfs_file_operations = {
+const struct file_operations xfs_file_operations = {
.llseek = generic_file_llseek,
.read = do_sync_read,
.write = do_sync_write,
@@ -550,7 +550,7 @@
#endif
};
-struct file_operations xfs_invis_file_operations = {
+const struct file_operations xfs_invis_file_operations = {
.llseek = generic_file_llseek,
.read = do_sync_read,
.write = do_sync_write,
@@ -570,7 +570,7 @@
};
-struct file_operations xfs_dir_file_operations = {
+const struct file_operations xfs_dir_file_operations = {
.read = generic_read_dir,
.readdir = xfs_file_readdir,
.unlocked_ioctl = xfs_file_ioctl,
diff --git a/fs/xfs/linux-2.6/xfs_iops.h b/fs/xfs/linux-2.6/xfs_iops.h
index a8417d7..ad6173d 100644
--- a/fs/xfs/linux-2.6/xfs_iops.h
+++ b/fs/xfs/linux-2.6/xfs_iops.h
@@ -22,9 +22,9 @@
extern struct inode_operations xfs_dir_inode_operations;
extern struct inode_operations xfs_symlink_inode_operations;
-extern struct file_operations xfs_file_operations;
-extern struct file_operations xfs_dir_file_operations;
-extern struct file_operations xfs_invis_file_operations;
+extern const struct file_operations xfs_file_operations;
+extern const struct file_operations xfs_dir_file_operations;
+extern const struct file_operations xfs_invis_file_operations;
extern int xfs_ioctl(struct bhv_desc *, struct inode *, struct file *,
int, unsigned int, void __user *);
diff --git a/include/asm-alpha/poll.h b/include/asm-alpha/poll.h
index 9570718..76f8935 100644
--- a/include/asm-alpha/poll.h
+++ b/include/asm-alpha/poll.h
@@ -12,8 +12,8 @@
#define POLLWRNORM (1 << 8)
#define POLLWRBAND (1 << 9)
#define POLLMSG (1 << 10)
-#define POLLREMOVE (1 << 11)
-#define POLLRDHUP (1 << 12)
+#define POLLREMOVE (1 << 12)
+#define POLLRDHUP (1 << 13)
struct pollfd {
diff --git a/include/asm-generic/local.h b/include/asm-generic/local.h
index 16fc003..de46148 100644
--- a/include/asm-generic/local.h
+++ b/include/asm-generic/local.h
@@ -4,28 +4,28 @@
#include <linux/config.h>
#include <linux/percpu.h>
#include <linux/hardirq.h>
+#include <asm/atomic.h>
#include <asm/types.h>
/* An unsigned long type for operations which are atomic for a single
* CPU. Usually used in combination with per-cpu variables. */
-#if BITS_PER_LONG == 32
/* Implement in terms of atomics. */
/* Don't use typedef: don't want them to be mixed with atomic_t's. */
typedef struct
{
- atomic_t a;
+ atomic_long_t a;
} local_t;
-#define LOCAL_INIT(i) { ATOMIC_INIT(i) }
+#define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) }
-#define local_read(l) ((unsigned long)atomic_read(&(l)->a))
-#define local_set(l,i) atomic_set((&(l)->a),(i))
-#define local_inc(l) atomic_inc(&(l)->a)
-#define local_dec(l) atomic_dec(&(l)->a)
-#define local_add(i,l) atomic_add((i),(&(l)->a))
-#define local_sub(i,l) atomic_sub((i),(&(l)->a))
+#define local_read(l) ((unsigned long)atomic_long_read(&(l)->a))
+#define local_set(l,i) atomic_long_set((&(l)->a),(i))
+#define local_inc(l) atomic_long_inc(&(l)->a)
+#define local_dec(l) atomic_long_dec(&(l)->a)
+#define local_add(i,l) atomic_long_add((i),(&(l)->a))
+#define local_sub(i,l) atomic_long_sub((i),(&(l)->a))
/* Non-atomic variants, ie. preemption disabled and won't be touched
* in interrupt, etc. Some archs can optimize this case well. */
@@ -34,68 +34,6 @@
#define __local_add(i,l) local_set((l), local_read(l) + (i))
#define __local_sub(i,l) local_set((l), local_read(l) - (i))
-#else /* ... can't use atomics. */
-/* Implement in terms of three variables.
- Another option would be to use local_irq_save/restore. */
-
-typedef struct
-{
- /* 0 = in hardirq, 1 = in softirq, 2 = usermode. */
- unsigned long v[3];
-} local_t;
-
-#define _LOCAL_VAR(l) ((l)->v[!in_interrupt() + !in_irq()])
-
-#define LOCAL_INIT(i) { { (i), 0, 0 } }
-
-static inline unsigned long local_read(local_t *l)
-{
- return l->v[0] + l->v[1] + l->v[2];
-}
-
-static inline void local_set(local_t *l, unsigned long v)
-{
- l->v[0] = v;
- l->v[1] = l->v[2] = 0;
-}
-
-static inline void local_inc(local_t *l)
-{
- preempt_disable();
- _LOCAL_VAR(l)++;
- preempt_enable();
-}
-
-static inline void local_dec(local_t *l)
-{
- preempt_disable();
- _LOCAL_VAR(l)--;
- preempt_enable();
-}
-
-static inline void local_add(unsigned long v, local_t *l)
-{
- preempt_disable();
- _LOCAL_VAR(l) += v;
- preempt_enable();
-}
-
-static inline void local_sub(unsigned long v, local_t *l)
-{
- preempt_disable();
- _LOCAL_VAR(l) -= v;
- preempt_enable();
-}
-
-/* Non-atomic variants, ie. preemption disabled and won't be touched
- * in interrupt, etc. Some archs can optimize this case well. */
-#define __local_inc(l) ((l)->v[0]++)
-#define __local_dec(l) ((l)->v[0]--)
-#define __local_add(i,l) ((l)->v[0] += (i))
-#define __local_sub(i,l) ((l)->v[0] -= (i))
-
-#endif /* Non-atomic implementation */
-
/* Use these for per-cpu local_t variables: on some archs they are
* much more efficient than these naive implementations. Note they take
* a variable (eg. mystruct.foo), not an address.
diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h
index 78cf455..c0caf43 100644
--- a/include/asm-generic/percpu.h
+++ b/include/asm-generic/percpu.h
@@ -19,7 +19,7 @@
#define percpu_modcopy(pcpudst, src, size) \
do { \
unsigned int __i; \
- for_each_cpu(__i) \
+ for_each_possible_cpu(__i) \
memcpy((pcpudst)+__per_cpu_offset[__i], \
(src), (size)); \
} while (0)
diff --git a/include/asm-i386/mach-default/mach_time.h b/include/asm-i386/mach-default/mach_time.h
index b749aa4..31eb5de 100644
--- a/include/asm-i386/mach-default/mach_time.h
+++ b/include/asm-i386/mach-default/mach_time.h
@@ -82,21 +82,8 @@
static inline unsigned long mach_get_cmos_time(void)
{
unsigned int year, mon, day, hour, min, sec;
- int i;
- /* The Linux interpretation of the CMOS clock register contents:
- * When the Update-In-Progress (UIP) flag goes from 1 to 0, the
- * RTC registers show the second which has precisely just started.
- * Let's hope other operating systems interpret the RTC the same way.
- */
- /* read RTC exactly on falling edge of update flag */
- for (i = 0 ; i < 1000000 ; i++) /* may take up to 1 second... */
- if (CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP)
- break;
- for (i = 0 ; i < 1000000 ; i++) /* must try at least 2.228 ms */
- if (!(CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP))
- break;
- do { /* Isn't this overkill ? UIP above should guarantee consistency */
+ do {
sec = CMOS_READ(RTC_SECONDS);
min = CMOS_READ(RTC_MINUTES);
hour = CMOS_READ(RTC_HOURS);
@@ -104,16 +91,18 @@
mon = CMOS_READ(RTC_MONTH);
year = CMOS_READ(RTC_YEAR);
} while (sec != CMOS_READ(RTC_SECONDS));
- if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
- {
- BCD_TO_BIN(sec);
- BCD_TO_BIN(min);
- BCD_TO_BIN(hour);
- BCD_TO_BIN(day);
- BCD_TO_BIN(mon);
- BCD_TO_BIN(year);
- }
- if ((year += 1900) < 1970)
+
+ if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
+ BCD_TO_BIN(sec);
+ BCD_TO_BIN(min);
+ BCD_TO_BIN(hour);
+ BCD_TO_BIN(day);
+ BCD_TO_BIN(mon);
+ BCD_TO_BIN(year);
+ }
+
+ year += 1900;
+ if (year < 1970)
year += 100;
return mktime(year, mon, day, hour, min, sec);
diff --git a/include/asm-i386/processor.h b/include/asm-i386/processor.h
index af4bfd0..805f0dc 100644
--- a/include/asm-i386/processor.h
+++ b/include/asm-i386/processor.h
@@ -621,8 +621,6 @@
unsigned int reserved[3];
struct extended_signature sigs[0];
};
-/* '6' because it used to be for P6 only (but now covers Pentium 4 as well) */
-#define MICROCODE_IOCFREE _IO('6',0)
/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
static inline void rep_nop(void)
diff --git a/include/asm-mips/mc146818-time.h b/include/asm-mips/mc146818-time.h
index 4721486..41ac8d3 100644
--- a/include/asm-mips/mc146818-time.h
+++ b/include/asm-mips/mc146818-time.h
@@ -86,43 +86,14 @@
return retval;
}
-/*
- * Returns true if a clock update is in progress
- */
-static inline unsigned char rtc_is_updating(void)
-{
- unsigned char uip;
- unsigned long flags;
-
- spin_lock_irqsave(&rtc_lock, flags);
- uip = (CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP);
- spin_unlock_irqrestore(&rtc_lock, flags);
- return uip;
-}
-
static inline unsigned long mc146818_get_cmos_time(void)
{
unsigned int year, mon, day, hour, min, sec;
- int i;
unsigned long flags;
- /*
- * The Linux interpretation of the CMOS clock register contents:
- * When the Update-In-Progress (UIP) flag goes from 1 to 0, the
- * RTC registers show the second which has precisely just started.
- * Let's hope other operating systems interpret the RTC the same way.
- */
-
- /* read RTC exactly on falling edge of update flag */
- for (i = 0 ; i < 1000000 ; i++) /* may take up to 1 second... */
- if (rtc_is_updating())
- break;
- for (i = 0 ; i < 1000000 ; i++) /* must try at least 2.228 ms */
- if (!rtc_is_updating())
- break;
-
spin_lock_irqsave(&rtc_lock, flags);
- do { /* Isn't this overkill ? UIP above should guarantee consistency */
+
+ do {
sec = CMOS_READ(RTC_SECONDS);
min = CMOS_READ(RTC_MINUTES);
hour = CMOS_READ(RTC_HOURS);
diff --git a/include/asm-parisc/pdc.h b/include/asm-parisc/pdc.h
index 8e23e4c..0a3face 100644
--- a/include/asm-parisc/pdc.h
+++ b/include/asm-parisc/pdc.h
@@ -333,7 +333,7 @@
unsigned long curr_key;
};
-/* Values for PDC_MODEL_CAPABILITES non-equivalent virtual aliasing support */
+/* Values for PDC_MODEL_CAPABILITIES non-equivalent virtual aliasing support */
#define PDC_MODEL_IOPDIR_FDC (1 << 2) /* see sba_iommu.c */
#define PDC_MODEL_NVA_MASK (3 << 4)
diff --git a/include/asm-sh/addrspace.h b/include/asm-sh/addrspace.h
index dbb05d1..720afc1 100644
--- a/include/asm-sh/addrspace.h
+++ b/include/asm-sh/addrspace.h
@@ -13,7 +13,7 @@
#include <asm/cpu/addrspace.h>
-/* Memory segments (32bit Priviledged mode addresses) */
+/* Memory segments (32bit Privileged mode addresses) */
#define P0SEG 0x00000000
#define P1SEG 0x80000000
#define P2SEG 0xa0000000
diff --git a/include/asm-sparc64/floppy.h b/include/asm-sparc64/floppy.h
index 49d49a2..6a95d5d 100644
--- a/include/asm-sparc64/floppy.h
+++ b/include/asm-sparc64/floppy.h
@@ -738,7 +738,7 @@
if (!sun_floppy_types[0] && sun_floppy_types[1]) {
/*
* Set the drive exchange bit in FCR on NS87303,
- * make shure other bits are sane before doing so.
+ * make sure other bits are sane before doing so.
*/
ns87303_modify(config, FER, FER_EDM, 0);
ns87303_modify(config, ASC, ASC_DRV2_SEL, 0);
diff --git a/include/asm-sparc64/futex.h b/include/asm-sparc64/futex.h
index cd340a2..dee4020 100644
--- a/include/asm-sparc64/futex.h
+++ b/include/asm-sparc64/futex.h
@@ -84,9 +84,27 @@
}
static inline int
-futex_atomic_cmpxchg_inuser(int __user *uaddr, int oldval, int newval)
+futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
{
- return -ENOSYS;
+ __asm__ __volatile__(
+ "\n1: lduwa [%2] %%asi, %0\n"
+ "2: casa [%2] %%asi, %0, %1\n"
+ "3:\n"
+ " .section .fixup,#alloc,#execinstr\n"
+ " .align 4\n"
+ "4: ba 3b\n"
+ " mov %3, %0\n"
+ " .previous\n"
+ " .section __ex_table,\"a\"\n"
+ " .align 4\n"
+ " .word 1b, 4b\n"
+ " .word 2b, 4b\n"
+ " .previous\n"
+ : "=&r" (oldval)
+ : "r" (newval), "r" (uaddr), "i" (-EFAULT)
+ : "memory");
+
+ return oldval;
}
#endif /* !(_SPARC64_FUTEX_H) */
diff --git a/include/asm-x86_64/processor.h b/include/asm-x86_64/processor.h
index 1aa2cee..37a3ec4 100644
--- a/include/asm-x86_64/processor.h
+++ b/include/asm-x86_64/processor.h
@@ -358,9 +358,6 @@
struct extended_signature sigs[0];
};
-/* '6' because it used to be for P6 only (but now covers Pentium 4 as well) */
-#define MICROCODE_IOCFREE _IO('6',0)
-
#define ASM_NOP1 K8_NOP1
#define ASM_NOP2 K8_NOP2
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index c179966..d0cac8b 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -55,25 +55,29 @@
struct cfq_queue;
struct cfq_io_context {
- /*
- * circular list of cfq_io_contexts belonging to a process io context
- */
- struct list_head list;
- struct cfq_queue *cfqq[2];
+ struct rb_node rb_node;
void *key;
+ struct cfq_queue *cfqq[2];
+
struct io_context *ioc;
unsigned long last_end_request;
- unsigned long last_queue;
+ sector_t last_request_pos;
+ unsigned long last_queue;
+
unsigned long ttime_total;
unsigned long ttime_samples;
unsigned long ttime_mean;
+ unsigned int seek_samples;
+ u64 seek_total;
+ sector_t seek_mean;
+
struct list_head queue_list;
- void (*dtor)(struct cfq_io_context *);
- void (*exit)(struct cfq_io_context *);
+ void (*dtor)(struct io_context *); /* destructor */
+ void (*exit)(struct io_context *); /* called on task exit */
};
/*
@@ -94,7 +98,7 @@
int nr_batch_requests; /* Number of requests left in the batch */
struct as_io_context *aic;
- struct cfq_io_context *cic;
+ struct rb_root cic_root;
};
void put_io_context(struct io_context *ioc);
diff --git a/include/linux/cdev.h b/include/linux/cdev.h
index 8da37e2..2216638 100644
--- a/include/linux/cdev.h
+++ b/include/linux/cdev.h
@@ -5,13 +5,13 @@
struct cdev {
struct kobject kobj;
struct module *owner;
- struct file_operations *ops;
+ const struct file_operations *ops;
struct list_head list;
dev_t dev;
unsigned int count;
};
-void cdev_init(struct cdev *, struct file_operations *);
+void cdev_init(struct cdev *, const struct file_operations *);
struct cdev *cdev_alloc(void);
diff --git a/include/linux/coda_linux.h b/include/linux/coda_linux.h
index cc621ec..b3ecf8f 100644
--- a/include/linux/coda_linux.h
+++ b/include/linux/coda_linux.h
@@ -30,9 +30,9 @@
extern struct address_space_operations coda_file_aops;
extern struct address_space_operations coda_symlink_aops;
-extern struct file_operations coda_dir_operations;
-extern struct file_operations coda_file_operations;
-extern struct file_operations coda_ioctl_operations;
+extern const struct file_operations coda_dir_operations;
+extern const struct file_operations coda_file_operations;
+extern const struct file_operations coda_ioctl_operations;
/* operations shared over more than one file */
int coda_open(struct inode *i, struct file *f);
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 99e6115..9cbb781 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -67,7 +67,7 @@
*
* int any_online_cpu(mask) First online cpu in mask
*
- * for_each_cpu(cpu) for-loop cpu over cpu_possible_map
+ * for_each_possible_cpu(cpu) for-loop cpu over cpu_possible_map
* for_each_online_cpu(cpu) for-loop cpu over cpu_online_map
* for_each_present_cpu(cpu) for-loop cpu over cpu_present_map
*
@@ -405,7 +405,8 @@
#define any_online_cpu(mask) 0
#endif
-#define for_each_cpu(cpu) for_each_cpu_mask((cpu), cpu_possible_map)
+#define for_each_cpu(cpu) for_each_cpu_mask((cpu), cpu_possible_map)
+#define for_each_possible_cpu(cpu) for_each_cpu_mask((cpu), cpu_possible_map)
#define for_each_online_cpu(cpu) for_each_cpu_mask((cpu), cpu_online_map)
#define for_each_present_cpu(cpu) for_each_cpu_mask((cpu), cpu_present_map)
diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h
index 534d750..3250365 100644
--- a/include/linux/crash_dump.h
+++ b/include/linux/crash_dump.h
@@ -11,7 +11,7 @@
extern unsigned long long elfcorehdr_addr;
extern ssize_t copy_oldmem_page(unsigned long, char *, size_t,
unsigned long, int);
-extern struct file_operations proc_vmcore_operations;
+extern const struct file_operations proc_vmcore_operations;
extern struct proc_dir_entry *proc_vmcore;
#endif /* CONFIG_CRASH_DUMP */
diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h
index 4b0428e..176e2d3 100644
--- a/include/linux/debugfs.h
+++ b/include/linux/debugfs.h
@@ -29,7 +29,7 @@
#if defined(CONFIG_DEBUG_FS)
struct dentry *debugfs_create_file(const char *name, mode_t mode,
struct dentry *parent, void *data,
- struct file_operations *fops);
+ const struct file_operations *fops);
struct dentry *debugfs_create_dir(const char *name, struct dentry *parent);
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index a873106..9b4751a 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -21,6 +21,7 @@
#define DMA_30BIT_MASK 0x000000003fffffffULL
#define DMA_29BIT_MASK 0x000000001fffffffULL
#define DMA_28BIT_MASK 0x000000000fffffffULL
+#define DMA_24BIT_MASK 0x0000000000ffffffULL
#include <asm/dma-mapping.h>
diff --git a/include/linux/efs_fs.h b/include/linux/efs_fs.h
index 28f368c..fbfa6b5 100644
--- a/include/linux/efs_fs.h
+++ b/include/linux/efs_fs.h
@@ -37,7 +37,7 @@
struct statfs;
extern struct inode_operations efs_dir_inode_operations;
-extern struct file_operations efs_dir_operations;
+extern const struct file_operations efs_dir_operations;
extern struct address_space_operations efs_symlink_aops;
extern void efs_read_inode(struct inode *);
diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h
index 8bb4f84..3ade6a4 100644
--- a/include/linux/ext3_fs.h
+++ b/include/linux/ext3_fs.h
@@ -833,11 +833,11 @@
*/
/* dir.c */
-extern struct file_operations ext3_dir_operations;
+extern const struct file_operations ext3_dir_operations;
/* file.c */
extern struct inode_operations ext3_file_inode_operations;
-extern struct file_operations ext3_file_operations;
+extern const struct file_operations ext3_file_operations;
/* namei.c */
extern struct inode_operations ext3_dir_inode_operations;
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 2cb19e6..d03fadf 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -734,7 +734,7 @@
/* A driver may set this flag to indicate that it does want a set_par to be
* called every time when fbcon_switch is executed. The advantage is that with
- * this flag set you can really be shure that set_par is always called before
+ * this flag set you can really be sure that set_par is always called before
* any of the functions dependant on the correct hardware state or altering
* that state, even if you are using some broken X releases. The disadvantage
* is that it introduces unwanted delays to every console switch if set_par
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 680d913..408fe89 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -496,7 +496,7 @@
struct mutex i_mutex;
struct rw_semaphore i_alloc_sem;
struct inode_operations *i_op;
- struct file_operations *i_fop; /* former ->i_op->default_file_ops */
+ const struct file_operations *i_fop; /* former ->i_op->default_file_ops */
struct super_block *i_sb;
struct file_lock *i_flock;
struct address_space *i_mapping;
@@ -636,7 +636,7 @@
} f_u;
struct dentry *f_dentry;
struct vfsmount *f_vfsmnt;
- struct file_operations *f_op;
+ const struct file_operations *f_op;
atomic_t f_count;
unsigned int f_flags;
mode_t f_mode;
@@ -1390,11 +1390,11 @@
extern void bd_forget(struct inode *inode);
extern void bdput(struct block_device *);
extern struct block_device *open_by_devnum(dev_t, unsigned);
-extern struct file_operations def_blk_fops;
+extern const struct file_operations def_blk_fops;
extern struct address_space_operations def_blk_aops;
-extern struct file_operations def_chr_fops;
-extern struct file_operations bad_sock_fops;
-extern struct file_operations def_fifo_fops;
+extern const struct file_operations def_chr_fops;
+extern const struct file_operations bad_sock_fops;
+extern const struct file_operations def_fifo_fops;
extern int ioctl_by_bdev(struct block_device *, unsigned, unsigned long);
extern int blkdev_ioctl(struct inode *, struct file *, unsigned, unsigned long);
extern long compat_blkdev_ioctl(struct file *, unsigned, unsigned long);
@@ -1414,7 +1414,7 @@
extern int alloc_chrdev_region(dev_t *, unsigned, unsigned, const char *);
extern int register_chrdev_region(dev_t, unsigned, const char *);
extern int register_chrdev(unsigned int, const char *,
- struct file_operations *);
+ const struct file_operations *);
extern int unregister_chrdev(unsigned int, const char *);
extern void unregister_chrdev_region(dev_t, unsigned);
extern int chrdev_open(struct inode *, struct file *);
@@ -1444,9 +1444,9 @@
extern void make_bad_inode(struct inode *);
extern int is_bad_inode(struct inode *);
-extern struct file_operations read_fifo_fops;
-extern struct file_operations write_fifo_fops;
-extern struct file_operations rdwr_fifo_fops;
+extern const struct file_operations read_fifo_fops;
+extern const struct file_operations write_fifo_fops;
+extern const struct file_operations rdwr_fifo_fops;
extern int fs_may_remount_ro(struct super_block *);
@@ -1688,7 +1688,7 @@
nr_segs, get_block, end_io, DIO_OWN_LOCKING);
}
-extern struct file_operations generic_ro_fops;
+extern const struct file_operations generic_ro_fops;
#define special_file(m) (S_ISCHR(m)||S_ISBLK(m)||S_ISFIFO(m)||S_ISSOCK(m))
@@ -1744,9 +1744,9 @@
extern struct dentry *simple_lookup(struct inode *, struct dentry *, struct nameidata *);
extern ssize_t generic_read_dir(struct file *, char __user *, size_t, loff_t *);
-extern struct file_operations simple_dir_operations;
+extern const struct file_operations simple_dir_operations;
extern struct inode_operations simple_dir_inode_operations;
-struct tree_descr { char *name; struct file_operations *ops; int mode; };
+struct tree_descr { char *name; const struct file_operations *ops; int mode; };
struct dentry *d_alloc_name(struct dentry *, const char *);
extern int simple_fill_super(struct super_block *, int, struct tree_descr *);
extern int simple_pin_fs(char *name, struct vfsmount **mount, int *count);
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 3c1b029..10a27f2 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -152,14 +152,14 @@
({ \
typeof(gendiskp->dkstats->field) res = 0; \
int i; \
- for_each_cpu(i) \
+ for_each_possible_cpu(i) \
res += per_cpu_ptr(gendiskp->dkstats, i)->field; \
res; \
})
static inline void disk_stat_set_all(struct gendisk *gendiskp, int value) {
int i;
- for_each_cpu(i)
+ for_each_possible_cpu(i)
memset(per_cpu_ptr(gendiskp->dkstats, i), value,
sizeof (struct disk_stats));
}
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index d6f1019..4c5e610 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -154,7 +154,7 @@
return sb->s_fs_info;
}
-extern struct file_operations hugetlbfs_file_operations;
+extern const struct file_operations hugetlbfs_file_operations;
extern struct vm_operations_struct hugetlb_vm_ops;
struct file *hugetlb_zero_setup(size_t);
int hugetlb_extend_reservation(struct hugetlbfs_inode_info *info,
diff --git a/include/linux/input.h b/include/linux/input.h
index 6d4cc3c..1d4e341 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -957,7 +957,7 @@
struct input_handle* (*connect)(struct input_handler *handler, struct input_dev *dev, struct input_device_id *id);
void (*disconnect)(struct input_handle *handle);
- struct file_operations *fops;
+ const struct file_operations *fops;
int minor;
char *name;
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index a484572..b462490 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -46,7 +46,7 @@
{
int cpu, sum = 0;
- for_each_cpu(cpu)
+ for_each_possible_cpu(cpu)
sum += kstat_cpu(cpu).irqs[irq];
return sum;
diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h
index 14ceebf..5b584da 100644
--- a/include/linux/miscdevice.h
+++ b/include/linux/miscdevice.h
@@ -36,7 +36,7 @@
struct miscdevice {
int minor;
const char *name;
- struct file_operations *fops;
+ const struct file_operations *fops;
struct list_head list;
struct device *dev;
struct class_device *class;
diff --git a/include/linux/msdos_fs.h b/include/linux/msdos_fs.h
index 779e6a5..d9035c7 100644
--- a/include/linux/msdos_fs.h
+++ b/include/linux/msdos_fs.h
@@ -334,7 +334,7 @@
unsigned long *mapped_blocks);
/* fat/dir.c */
-extern struct file_operations fat_dir_operations;
+extern const struct file_operations fat_dir_operations;
extern int fat_search_long(struct inode *inode, const unsigned char *name,
int name_len, struct fat_slot_info *sinfo);
extern int fat_dir_empty(struct inode *dir);
@@ -397,7 +397,7 @@
/* fat/file.c */
extern int fat_generic_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
-extern struct file_operations fat_file_operations;
+extern const struct file_operations fat_file_operations;
extern struct inode_operations fat_file_inode_operations;
extern int fat_notify_change(struct dentry * dentry, struct iattr * attr);
extern void fat_truncate(struct inode *inode);
@@ -420,6 +420,9 @@
extern void fat_date_unix2dos(int unix_date, __le16 *time, __le16 *date);
extern int fat_sync_bhs(struct buffer_head **bhs, int nr_bhs);
+int fat_cache_init(void);
+void fat_cache_destroy(void);
+
#endif /* __KERNEL__ */
#endif
diff --git a/include/linux/ncp_fs.h b/include/linux/ncp_fs.h
index e013425..96dc237 100644
--- a/include/linux/ncp_fs.h
+++ b/include/linux/ncp_fs.h
@@ -209,7 +209,7 @@
/* linux/fs/ncpfs/dir.c */
extern struct inode_operations ncp_dir_inode_operations;
-extern struct file_operations ncp_dir_operations;
+extern const struct file_operations ncp_dir_operations;
int ncp_conn_logged_in(struct super_block *);
int ncp_date_dos2unix(__le16 time, __le16 date);
void ncp_date_unix2dos(int unix_date, __le16 * time, __le16 * date);
@@ -230,7 +230,7 @@
/* linux/fs/ncpfs/file.c */
extern struct inode_operations ncp_file_inode_operations;
-extern struct file_operations ncp_file_operations;
+extern const struct file_operations ncp_file_operations;
int ncp_make_open(struct inode *, int);
/* linux/fs/ncpfs/mmap.c */
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index cbebd7d..c71227d 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -324,7 +324,7 @@
#ifdef CONFIG_NFS_V3
extern struct inode_operations nfs3_file_inode_operations;
#endif /* CONFIG_NFS_V3 */
-extern struct file_operations nfs_file_operations;
+extern const struct file_operations nfs_file_operations;
extern struct address_space_operations nfs_file_aops;
static inline struct rpc_cred *nfs_file_cred(struct file *file)
@@ -371,7 +371,7 @@
#ifdef CONFIG_NFS_V3
extern struct inode_operations nfs3_dir_inode_operations;
#endif /* CONFIG_NFS_V3 */
-extern struct file_operations nfs_dir_operations;
+extern const struct file_operations nfs_dir_operations;
extern struct dentry_operations nfs_dentry_operations;
extern int nfs_instantiate(struct dentry *dentry, struct nfs_fh *fh, struct nfs_fattr *fattr);
diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h
index 559c4c3..0d514b2 100644
--- a/include/linux/oprofile.h
+++ b/include/linux/oprofile.h
@@ -61,6 +61,16 @@
*/
void oprofile_add_sample(struct pt_regs * const regs, unsigned long event);
+/**
+ * Add an extended sample. Use this when the PC is not from the regs, and
+ * we cannot determine if we're in kernel mode from the regs.
+ *
+ * This function does perform a backtrace.
+ *
+ */
+void oprofile_add_ext_sample(unsigned long pc, struct pt_regs * const regs,
+ unsigned long event, int is_kernel);
+
/* Use this instead when the PC value is not from the regs. Doesn't
* backtrace. */
void oprofile_add_pc(unsigned long pc, int is_kernel, unsigned long event);
@@ -74,10 +84,10 @@
* the specified file operations.
*/
int oprofilefs_create_file(struct super_block * sb, struct dentry * root,
- char const * name, struct file_operations * fops);
+ char const * name, const struct file_operations * fops);
int oprofilefs_create_file_perm(struct super_block * sb, struct dentry * root,
- char const * name, struct file_operations * fops, int perm);
+ char const * name, const struct file_operations * fops, int perm);
/** Create a file for read/write access to an unsigned long. */
int oprofilefs_create_ulong(struct super_block * sb, struct dentry * root,
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 02f6cf2..e2ab2ac 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -642,6 +642,7 @@
#define PCI_DEVICE_ID_SI_965 0x0965
#define PCI_DEVICE_ID_SI_5511 0x5511
#define PCI_DEVICE_ID_SI_5513 0x5513
+#define PCI_DEVICE_ID_SI_5517 0x5517
#define PCI_DEVICE_ID_SI_5518 0x5518
#define PCI_DEVICE_ID_SI_5571 0x5571
#define PCI_DEVICE_ID_SI_5581 0x5581
diff --git a/include/linux/poll.h b/include/linux/poll.h
index 8e8f609..51e1b56 100644
--- a/include/linux/poll.h
+++ b/include/linux/poll.h
@@ -11,6 +11,15 @@
#include <linux/mm.h>
#include <asm/uaccess.h>
+/* ~832 bytes of stack space used max in sys_select/sys_poll before allocating
+ additional memory. */
+#define MAX_STACK_ALLOC 832
+#define FRONTEND_STACK_ALLOC 256
+#define SELECT_STACK_ALLOC FRONTEND_STACK_ALLOC
+#define POLL_STACK_ALLOC FRONTEND_STACK_ALLOC
+#define WQUEUES_STACK_ALLOC (MAX_STACK_ALLOC - FRONTEND_STACK_ALLOC)
+#define N_INLINE_POLL_ENTRIES (WQUEUES_STACK_ALLOC / sizeof(struct poll_table_entry))
+
struct poll_table_struct;
/*
@@ -33,6 +42,12 @@
pt->qproc = qproc;
}
+struct poll_table_entry {
+ struct file * filp;
+ wait_queue_t wait;
+ wait_queue_head_t * wait_address;
+};
+
/*
* Structures and helpers for sys_poll/sys_poll
*/
@@ -40,6 +55,8 @@
poll_table pt;
struct poll_table_page * table;
int error;
+ int inline_index;
+ struct poll_table_entry inline_entries[N_INLINE_POLL_ENTRIES];
};
extern void poll_initwait(struct poll_wqueues *pwq);
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index cb224cf..135871d 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -58,7 +58,7 @@
gid_t gid;
loff_t size;
struct inode_operations * proc_iops;
- struct file_operations * proc_fops;
+ const struct file_operations * proc_fops;
get_info_t *get_info;
struct module *owner;
struct proc_dir_entry *next, *parent, *subdir;
@@ -128,9 +128,9 @@
extern int proc_readdir(struct file *, void *, filldir_t);
extern struct dentry *proc_lookup(struct inode *, struct dentry *, struct nameidata *);
-extern struct file_operations proc_kcore_operations;
-extern struct file_operations proc_kmsg_operations;
-extern struct file_operations ppc_htab_operations;
+extern const struct file_operations proc_kcore_operations;
+extern const struct file_operations proc_kmsg_operations;
+extern const struct file_operations ppc_htab_operations;
/*
* proc_tty.c
@@ -189,7 +189,7 @@
}
static inline struct proc_dir_entry *proc_net_fops_create(const char *name,
- mode_t mode, struct file_operations *fops)
+ mode_t mode, const struct file_operations *fops)
{
struct proc_dir_entry *res = create_proc_entry(name, mode, proc_net);
if (res)
diff --git a/include/linux/qnx4_fs.h b/include/linux/qnx4_fs.h
index fc610bb..27f49c8 100644
--- a/include/linux/qnx4_fs.h
+++ b/include/linux/qnx4_fs.h
@@ -118,8 +118,8 @@
extern struct inode_operations qnx4_file_inode_operations;
extern struct inode_operations qnx4_dir_inode_operations;
-extern struct file_operations qnx4_file_operations;
-extern struct file_operations qnx4_dir_operations;
+extern const struct file_operations qnx4_file_operations;
+extern const struct file_operations qnx4_dir_operations;
extern int qnx4_is_free(struct super_block *sb, long block);
extern int qnx4_set_bitmap(struct super_block *sb, long block, int busy);
extern int qnx4_create(struct inode *inode, struct dentry *dentry, int mode, struct nameidata *nd);
diff --git a/include/linux/ramfs.h b/include/linux/ramfs.h
index 953b6df..78ecfa2 100644
--- a/include/linux/ramfs.h
+++ b/include/linux/ramfs.h
@@ -15,7 +15,7 @@
extern int ramfs_nommu_mmap(struct file *file, struct vm_area_struct *vma);
#endif
-extern struct file_operations ramfs_file_operations;
+extern const struct file_operations ramfs_file_operations;
extern struct vm_operations_struct generic_file_vm_ops;
#endif
diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h
index 912f1b7..5676c42 100644
--- a/include/linux/reiserfs_fs.h
+++ b/include/linux/reiserfs_fs.h
@@ -1960,7 +1960,7 @@
extern struct inode_operations reiserfs_dir_inode_operations;
extern struct inode_operations reiserfs_symlink_inode_operations;
extern struct inode_operations reiserfs_special_inode_operations;
-extern struct file_operations reiserfs_dir_operations;
+extern const struct file_operations reiserfs_dir_operations;
/* tail_conversion.c */
int direct2indirect(struct reiserfs_transaction_handle *, struct inode *,
@@ -1972,7 +1972,7 @@
/* file.c */
extern struct inode_operations reiserfs_file_inode_operations;
-extern struct file_operations reiserfs_file_operations;
+extern const struct file_operations reiserfs_file_operations;
extern struct address_space_operations reiserfs_address_space_operations;
/* fix_nodes.c */
diff --git a/include/linux/relayfs_fs.h b/include/linux/relayfs_fs.h
deleted file mode 100644
index 7342e66..0000000
--- a/include/linux/relayfs_fs.h
+++ /dev/null
@@ -1,287 +0,0 @@
-/*
- * linux/include/linux/relayfs_fs.h
- *
- * Copyright (C) 2002, 2003 - Tom Zanussi (zanussi@us.ibm.com), IBM Corp
- * Copyright (C) 1999, 2000, 2001, 2002 - Karim Yaghmour (karim@opersys.com)
- *
- * RelayFS definitions and declarations
- */
-
-#ifndef _LINUX_RELAYFS_FS_H
-#define _LINUX_RELAYFS_FS_H
-
-#include <linux/config.h>
-#include <linux/types.h>
-#include <linux/sched.h>
-#include <linux/wait.h>
-#include <linux/list.h>
-#include <linux/fs.h>
-#include <linux/poll.h>
-#include <linux/kref.h>
-
-/*
- * Tracks changes to rchan/rchan_buf structs
- */
-#define RELAYFS_CHANNEL_VERSION 6
-
-/*
- * Per-cpu relay channel buffer
- */
-struct rchan_buf
-{
- void *start; /* start of channel buffer */
- void *data; /* start of current sub-buffer */
- size_t offset; /* current offset into sub-buffer */
- size_t subbufs_produced; /* count of sub-buffers produced */
- size_t subbufs_consumed; /* count of sub-buffers consumed */
- struct rchan *chan; /* associated channel */
- wait_queue_head_t read_wait; /* reader wait queue */
- struct work_struct wake_readers; /* reader wake-up work struct */
- struct dentry *dentry; /* channel file dentry */
- struct kref kref; /* channel buffer refcount */
- struct page **page_array; /* array of current buffer pages */
- unsigned int page_count; /* number of current buffer pages */
- unsigned int finalized; /* buffer has been finalized */
- size_t *padding; /* padding counts per sub-buffer */
- size_t prev_padding; /* temporary variable */
- size_t bytes_consumed; /* bytes consumed in cur read subbuf */
- unsigned int cpu; /* this buf's cpu */
-} ____cacheline_aligned;
-
-/*
- * Relay channel data structure
- */
-struct rchan
-{
- u32 version; /* the version of this struct */
- size_t subbuf_size; /* sub-buffer size */
- size_t n_subbufs; /* number of sub-buffers per buffer */
- size_t alloc_size; /* total buffer size allocated */
- struct rchan_callbacks *cb; /* client callbacks */
- struct kref kref; /* channel refcount */
- void *private_data; /* for user-defined data */
- size_t last_toobig; /* tried to log event > subbuf size */
- struct rchan_buf *buf[NR_CPUS]; /* per-cpu channel buffers */
-};
-
-/*
- * Relay channel client callbacks
- */
-struct rchan_callbacks
-{
- /*
- * subbuf_start - called on buffer-switch to a new sub-buffer
- * @buf: the channel buffer containing the new sub-buffer
- * @subbuf: the start of the new sub-buffer
- * @prev_subbuf: the start of the previous sub-buffer
- * @prev_padding: unused space at the end of previous sub-buffer
- *
- * The client should return 1 to continue logging, 0 to stop
- * logging.
- *
- * NOTE: subbuf_start will also be invoked when the buffer is
- * created, so that the first sub-buffer can be initialized
- * if necessary. In this case, prev_subbuf will be NULL.
- *
- * NOTE: the client can reserve bytes at the beginning of the new
- * sub-buffer by calling subbuf_start_reserve() in this callback.
- */
- int (*subbuf_start) (struct rchan_buf *buf,
- void *subbuf,
- void *prev_subbuf,
- size_t prev_padding);
-
- /*
- * buf_mapped - relayfs buffer mmap notification
- * @buf: the channel buffer
- * @filp: relayfs file pointer
- *
- * Called when a relayfs file is successfully mmapped
- */
- void (*buf_mapped)(struct rchan_buf *buf,
- struct file *filp);
-
- /*
- * buf_unmapped - relayfs buffer unmap notification
- * @buf: the channel buffer
- * @filp: relayfs file pointer
- *
- * Called when a relayfs file is successfully unmapped
- */
- void (*buf_unmapped)(struct rchan_buf *buf,
- struct file *filp);
- /*
- * create_buf_file - create file to represent a relayfs channel buffer
- * @filename: the name of the file to create
- * @parent: the parent of the file to create
- * @mode: the mode of the file to create
- * @buf: the channel buffer
- * @is_global: outparam - set non-zero if the buffer should be global
- *
- * Called during relay_open(), once for each per-cpu buffer,
- * to allow the client to create a file to be used to
- * represent the corresponding channel buffer. If the file is
- * created outside of relayfs, the parent must also exist in
- * that filesystem.
- *
- * The callback should return the dentry of the file created
- * to represent the relay buffer.
- *
- * Setting the is_global outparam to a non-zero value will
- * cause relay_open() to create a single global buffer rather
- * than the default set of per-cpu buffers.
- *
- * See Documentation/filesystems/relayfs.txt for more info.
- */
- struct dentry *(*create_buf_file)(const char *filename,
- struct dentry *parent,
- int mode,
- struct rchan_buf *buf,
- int *is_global);
-
- /*
- * remove_buf_file - remove file representing a relayfs channel buffer
- * @dentry: the dentry of the file to remove
- *
- * Called during relay_close(), once for each per-cpu buffer,
- * to allow the client to remove a file used to represent a
- * channel buffer.
- *
- * The callback should return 0 if successful, negative if not.
- */
- int (*remove_buf_file)(struct dentry *dentry);
-};
-
-/*
- * relayfs kernel API, fs/relayfs/relay.c
- */
-
-struct rchan *relay_open(const char *base_filename,
- struct dentry *parent,
- size_t subbuf_size,
- size_t n_subbufs,
- struct rchan_callbacks *cb);
-extern void relay_close(struct rchan *chan);
-extern void relay_flush(struct rchan *chan);
-extern void relay_subbufs_consumed(struct rchan *chan,
- unsigned int cpu,
- size_t consumed);
-extern void relay_reset(struct rchan *chan);
-extern int relay_buf_full(struct rchan_buf *buf);
-
-extern size_t relay_switch_subbuf(struct rchan_buf *buf,
- size_t length);
-extern struct dentry *relayfs_create_dir(const char *name,
- struct dentry *parent);
-extern int relayfs_remove_dir(struct dentry *dentry);
-extern struct dentry *relayfs_create_file(const char *name,
- struct dentry *parent,
- int mode,
- struct file_operations *fops,
- void *data);
-extern int relayfs_remove_file(struct dentry *dentry);
-
-/**
- * relay_write - write data into the channel
- * @chan: relay channel
- * @data: data to be written
- * @length: number of bytes to write
- *
- * Writes data into the current cpu's channel buffer.
- *
- * Protects the buffer by disabling interrupts. Use this
- * if you might be logging from interrupt context. Try
- * __relay_write() if you know you won't be logging from
- * interrupt context.
- */
-static inline void relay_write(struct rchan *chan,
- const void *data,
- size_t length)
-{
- unsigned long flags;
- struct rchan_buf *buf;
-
- local_irq_save(flags);
- buf = chan->buf[smp_processor_id()];
- if (unlikely(buf->offset + length > chan->subbuf_size))
- length = relay_switch_subbuf(buf, length);
- memcpy(buf->data + buf->offset, data, length);
- buf->offset += length;
- local_irq_restore(flags);
-}
-
-/**
- * __relay_write - write data into the channel
- * @chan: relay channel
- * @data: data to be written
- * @length: number of bytes to write
- *
- * Writes data into the current cpu's channel buffer.
- *
- * Protects the buffer by disabling preemption. Use
- * relay_write() if you might be logging from interrupt
- * context.
- */
-static inline void __relay_write(struct rchan *chan,
- const void *data,
- size_t length)
-{
- struct rchan_buf *buf;
-
- buf = chan->buf[get_cpu()];
- if (unlikely(buf->offset + length > buf->chan->subbuf_size))
- length = relay_switch_subbuf(buf, length);
- memcpy(buf->data + buf->offset, data, length);
- buf->offset += length;
- put_cpu();
-}
-
-/**
- * relay_reserve - reserve slot in channel buffer
- * @chan: relay channel
- * @length: number of bytes to reserve
- *
- * Returns pointer to reserved slot, NULL if full.
- *
- * Reserves a slot in the current cpu's channel buffer.
- * Does not protect the buffer at all - caller must provide
- * appropriate synchronization.
- */
-static inline void *relay_reserve(struct rchan *chan, size_t length)
-{
- void *reserved;
- struct rchan_buf *buf = chan->buf[smp_processor_id()];
-
- if (unlikely(buf->offset + length > buf->chan->subbuf_size)) {
- length = relay_switch_subbuf(buf, length);
- if (!length)
- return NULL;
- }
- reserved = buf->data + buf->offset;
- buf->offset += length;
-
- return reserved;
-}
-
-/**
- * subbuf_start_reserve - reserve bytes at the start of a sub-buffer
- * @buf: relay channel buffer
- * @length: number of bytes to reserve
- *
- * Helper function used to reserve bytes at the beginning of
- * a sub-buffer in the subbuf_start() callback.
- */
-static inline void subbuf_start_reserve(struct rchan_buf *buf,
- size_t length)
-{
- BUG_ON(length >= buf->chan->subbuf_size - 1);
- buf->offset = length;
-}
-
-/*
- * exported relay file operations, fs/relayfs/inode.c
- */
-extern struct file_operations relay_file_operations;
-
-#endif /* _LINUX_RELAYFS_FS_H */
-
diff --git a/include/linux/sound.h b/include/linux/sound.h
index 72b9af4..f63d834 100644
--- a/include/linux/sound.h
+++ b/include/linux/sound.h
@@ -30,12 +30,12 @@
*/
struct device;
-extern int register_sound_special(struct file_operations *fops, int unit);
-extern int register_sound_special_device(struct file_operations *fops, int unit, struct device *dev);
-extern int register_sound_mixer(struct file_operations *fops, int dev);
-extern int register_sound_midi(struct file_operations *fops, int dev);
-extern int register_sound_dsp(struct file_operations *fops, int dev);
-extern int register_sound_synth(struct file_operations *fops, int dev);
+extern int register_sound_special(const struct file_operations *fops, int unit);
+extern int register_sound_special_device(const struct file_operations *fops, int unit, struct device *dev);
+extern int register_sound_mixer(const struct file_operations *fops, int dev);
+extern int register_sound_midi(const struct file_operations *fops, int dev);
+extern int register_sound_dsp(const struct file_operations *fops, int dev);
+extern int register_sound_synth(const struct file_operations *fops, int dev);
extern void unregister_sound_special(int unit);
extern void unregister_sound_mixer(int unit);
diff --git a/include/linux/sunrpc/stats.h b/include/linux/sunrpc/stats.h
index 0d6ed3c..d93c24b 100644
--- a/include/linux/sunrpc/stats.h
+++ b/include/linux/sunrpc/stats.h
@@ -50,7 +50,7 @@
void rpc_proc_unregister(const char *);
void rpc_proc_zero(struct rpc_program *);
struct proc_dir_entry * svc_proc_register(struct svc_stat *,
- struct file_operations *);
+ const struct file_operations *);
void svc_proc_unregister(const char *);
void svc_seq_show(struct seq_file *,
@@ -65,7 +65,7 @@
static inline void rpc_proc_zero(struct rpc_program *p) {}
static inline struct proc_dir_entry *svc_proc_register(struct svc_stat *s,
- struct file_operations *f) { return NULL; }
+ const struct file_operations *f) { return NULL; }
static inline void svc_proc_unregister(const char *p) {}
static inline void svc_seq_show(struct seq_file *seq,
diff --git a/include/linux/synclink.h b/include/linux/synclink.h
index 1b7cd8d..2993302 100644
--- a/include/linux/synclink.h
+++ b/include/linux/synclink.h
@@ -1,7 +1,7 @@
/*
* SyncLink Multiprotocol Serial Adapter Driver
*
- * $Id: synclink.h,v 3.10 2005/11/08 19:50:54 paulkf Exp $
+ * $Id: synclink.h,v 3.11 2006/02/06 21:20:29 paulkf Exp $
*
* Copyright (C) 1998-2000 by Microgate Corporation
*
@@ -221,6 +221,12 @@
__u32 rxidle;
};
+struct gpio_desc {
+ __u32 state;
+ __u32 smask;
+ __u32 dir;
+ __u32 dmask;
+};
#define DEBUG_LEVEL_DATA 1
#define DEBUG_LEVEL_ERROR 2
@@ -276,5 +282,8 @@
#define MGSL_IOCLOOPTXDONE _IO(MGSL_MAGIC_IOC,9)
#define MGSL_IOCSIF _IO(MGSL_MAGIC_IOC,10)
#define MGSL_IOCGIF _IO(MGSL_MAGIC_IOC,11)
+#define MGSL_IOCSGPIO _IOW(MGSL_MAGIC_IOC,16,struct gpio_desc)
+#define MGSL_IOCGGPIO _IOR(MGSL_MAGIC_IOC,17,struct gpio_desc)
+#define MGSL_IOCWAITGPIO _IOWR(MGSL_MAGIC_IOC,18,struct gpio_desc)
#endif /* _SYNCLINK_H_ */
diff --git a/include/linux/ufs_fs.h b/include/linux/ufs_fs.h
index b0ffe43..843aeaa 100644
--- a/include/linux/ufs_fs.h
+++ b/include/linux/ufs_fs.h
@@ -895,7 +895,7 @@
/* file.c */
extern struct inode_operations ufs_file_inode_operations;
-extern struct file_operations ufs_file_operations;
+extern const struct file_operations ufs_file_operations;
extern struct address_space_operations ufs_aops;
@@ -915,7 +915,7 @@
extern int ufs_getfrag_block (struct inode *inode, sector_t fragment, struct buffer_head *bh_result, int create);
/* namei.c */
-extern struct file_operations ufs_dir_operations;
+extern const struct file_operations ufs_dir_operations;
/* super.c */
extern void ufs_warning (struct super_block *, const char *, const char *, ...) __attribute__ ((format (printf, 3, 4)));
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 130d125..e34e5e3 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -615,7 +615,7 @@
*/
struct usb_class_driver {
char *name;
- struct file_operations *fops;
+ const struct file_operations *fops;
int minor_base;
};
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 2275bfe..af2d615 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -75,7 +75,7 @@
int minor;
/* device ops + callbacks */
- struct file_operations *fops;
+ const struct file_operations *fops;
void (*release)(struct video_device *vfd);
diff --git a/include/sound/core.h b/include/sound/core.h
index 144bdc2..7f32c12 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -186,7 +186,7 @@
int type; /* SNDRV_DEVICE_TYPE_XXX */
int card; /* card number */
int device; /* device number */
- struct file_operations *f_ops; /* file operations */
+ const struct file_operations *f_ops; /* file operations */
void *private_data; /* private data for f_ops->open */
char name[0]; /* device name (keep at the end of
structure) */
@@ -200,14 +200,14 @@
void snd_request_card(int card);
int snd_register_device(int type, struct snd_card *card, int dev,
- struct file_operations *f_ops, void *private_data,
+ const struct file_operations *f_ops, void *private_data,
const char *name);
int snd_unregister_device(int type, struct snd_card *card, int dev);
void *snd_lookup_minor_data(unsigned int minor, int type);
#ifdef CONFIG_SND_OSSEMUL
int snd_register_oss_device(int type, struct snd_card *card, int dev,
- struct file_operations *f_ops, void *private_data,
+ const struct file_operations *f_ops, void *private_data,
const char *name);
int snd_unregister_oss_device(int type, struct snd_card *card, int dev);
void *snd_lookup_oss_minor_data(unsigned int minor, int type);
diff --git a/init/main.c b/init/main.c
index 64466ea..4a2f089 100644
--- a/init/main.c
+++ b/init/main.c
@@ -341,7 +341,7 @@
#endif
ptr = alloc_bootmem(size * nr_possible_cpus);
- for_each_cpu(i) {
+ for_each_possible_cpu(i) {
__per_cpu_offset[i] = ptr - __per_cpu_start;
memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start);
ptr += size;
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 532ec3b..41ecbd4 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -762,7 +762,7 @@
* The receiver accepts the message and returns without grabbing the queue
* spinlock. Therefore an intermediate STATE_PENDING state and memory barriers
* are necessary. The same algorithm is used for sysv semaphores, see
- * ipc/sem.c fore more details.
+ * ipc/sem.c for more details.
*
* The same algorithm is used for senders.
*/
diff --git a/kernel/futex_compat.c b/kernel/futex_compat.c
index 9c077cf..54274fc 100644
--- a/kernel/futex_compat.c
+++ b/kernel/futex_compat.c
@@ -137,5 +137,6 @@
if (op >= FUTEX_REQUEUE)
val2 = (int) (unsigned long) utime;
- return do_futex(uaddr, op, val, timeout, uaddr2, val2, val3);
+ return do_futex((unsigned long)uaddr, op, val, timeout,
+ (unsigned long)uaddr2, val2, val3);
}
diff --git a/kernel/module.c b/kernel/module.c
index 4fafd58..bd088a7 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -127,7 +127,7 @@
#ifndef CONFIG_MODVERSIONS
#define symversion(base, idx) NULL
#else
-#define symversion(base, idx) ((base) ? ((base) + (idx)) : NULL)
+#define symversion(base, idx) ((base != NULL) ? ((base) + (idx)) : NULL)
#endif
/* lookup symbol in given range of kernel_symbols */
diff --git a/kernel/params.c b/kernel/params.c
index 9de637a..af43ecd 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -31,7 +31,7 @@
#define DEBUGP(fmt, a...)
#endif
-static inline int dash2underscore(char c)
+static inline char dash2underscore(char c)
{
if (c == '-')
return '_';
diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
index b4b362b..8154e75 100644
--- a/kernel/rcutorture.c
+++ b/kernel/rcutorture.c
@@ -301,7 +301,7 @@
long pipesummary[RCU_TORTURE_PIPE_LEN + 1] = { 0 };
long batchsummary[RCU_TORTURE_PIPE_LEN + 1] = { 0 };
- for_each_cpu(cpu) {
+ for_each_possible_cpu(cpu) {
for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++) {
pipesummary[i] += per_cpu(rcu_torture_count, cpu)[i];
batchsummary[i] += per_cpu(rcu_torture_batch, cpu)[i];
@@ -535,7 +535,7 @@
atomic_set(&n_rcu_torture_error, 0);
for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++)
atomic_set(&rcu_torture_wcount[i], 0);
- for_each_cpu(cpu) {
+ for_each_possible_cpu(cpu) {
for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++) {
per_cpu(rcu_torture_count, cpu)[i] = 0;
per_cpu(rcu_torture_batch, cpu)[i] = 0;
diff --git a/kernel/sched.c b/kernel/sched.c
index 7854ee5..a9ecac3 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1625,7 +1625,7 @@
{
unsigned long i, sum = 0;
- for_each_cpu(i)
+ for_each_possible_cpu(i)
sum += cpu_rq(i)->nr_uninterruptible;
/*
@@ -1642,7 +1642,7 @@
{
unsigned long long i, sum = 0;
- for_each_cpu(i)
+ for_each_possible_cpu(i)
sum += cpu_rq(i)->nr_switches;
return sum;
@@ -1652,7 +1652,7 @@
{
unsigned long i, sum = 0;
- for_each_cpu(i)
+ for_each_possible_cpu(i)
sum += atomic_read(&cpu_rq(i)->nr_iowait);
return sum;
@@ -6080,7 +6080,7 @@
runqueue_t *rq;
int i, j, k;
- for_each_cpu(i) {
+ for_each_possible_cpu(i) {
prio_array_t *array;
rq = cpu_rq(i);
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 4f71cfd..dec8249 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -912,7 +912,7 @@
/*
* Check if this process has the right to modify the specified
* process. The right exists if the process has administrative
- * capabilities, superuser priviledges or the same
+ * capabilities, superuser privileges or the same
* userid as the target process.
*/
if ((current->euid != task->suid) && (current->euid != task->uid) &&
diff --git a/mm/slab.c b/mm/slab.c
index 6818374..4cbf8bb 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -3311,7 +3311,7 @@
* and we have no way of figuring out how to fix the array
* that we have allocated then....
*/
- for_each_cpu(i) {
+ for_each_possible_cpu(i) {
int node = cpu_to_node(i);
if (node_online(node))
@@ -3398,7 +3398,7 @@
/*
* We allocate for all cpus so we cannot use for online cpu here.
*/
- for_each_cpu(i)
+ for_each_possible_cpu(i)
kfree(p->ptrs[i]);
kfree(p);
}
diff --git a/mm/swap.c b/mm/swap.c
index 91b7e20..88895c2 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -512,7 +512,7 @@
spin_lock(&fbc->lock);
ret = fbc->count;
- for_each_cpu(cpu) {
+ for_each_possible_cpu(cpu) {
long *pcount = per_cpu_ptr(fbc->counters, cpu);
ret += *pcount;
}
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index 7594456..627b113 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -1302,7 +1302,7 @@
if (sk->sk_state != TCP_ESTABLISHED)
return -ENOTCONN;
- /* Check that we don't send out to big frames */
+ /* Check that we don't send out too big frames */
if (len > self->max_data_size) {
IRDA_DEBUG(2, "%s(), Chopping frame from %zd to %d bytes!\n",
__FUNCTION__, len, self->max_data_size);
@@ -1546,7 +1546,7 @@
IRDA_ASSERT(self != NULL, return -1;);
/*
- * Check that we don't send out to big frames. This is an unreliable
+ * Check that we don't send out too big frames. This is an unreliable
* service, so we have no fragmentation and no coalescence
*/
if (len > self->max_data_size) {
@@ -1642,7 +1642,7 @@
}
/*
- * Check that we don't send out to big frames. This is an unreliable
+ * Check that we don't send out too big frames. This is an unreliable
* service, so we have no fragmentation and no coalescence
*/
if (len > self->max_data_size) {
diff --git a/net/nonet.c b/net/nonet.c
index 1230f0a..92e7664 100644
--- a/net/nonet.c
+++ b/net/nonet.c
@@ -19,7 +19,7 @@
return -ENXIO;
}
-struct file_operations bad_sock_fops = {
+const struct file_operations bad_sock_fops = {
.owner = THIS_MODULE,
.open = sock_no_open,
};
diff --git a/net/socket.c b/net/socket.c
index 5211ba2..fcd77ea 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -539,7 +539,7 @@
return -ENXIO;
}
-struct file_operations bad_sock_fops = {
+const struct file_operations bad_sock_fops = {
.owner = THIS_MODULE,
.open = sock_no_open,
};
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index aa4158b..cc673dd 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -395,7 +395,7 @@
*/
struct rpc_filelist {
char *name;
- struct file_operations *i_fop;
+ const struct file_operations *i_fop;
int mode;
};
diff --git a/net/sunrpc/stats.c b/net/sunrpc/stats.c
index 790941e..dea5296 100644
--- a/net/sunrpc/stats.c
+++ b/net/sunrpc/stats.c
@@ -225,7 +225,7 @@
* Register/unregister RPC proc files
*/
static inline struct proc_dir_entry *
-do_register(const char *name, void *data, struct file_operations *fops)
+do_register(const char *name, void *data, const struct file_operations *fops)
{
struct proc_dir_entry *ent;
@@ -253,7 +253,7 @@
}
struct proc_dir_entry *
-svc_proc_register(struct svc_stat *statp, struct file_operations *fops)
+svc_proc_register(struct svc_stat *statp, const struct file_operations *fops)
{
return do_register(statp->program->pg_name, statp, fops);
}
diff --git a/sound/core/init.c b/sound/core/init.c
index ad68761..5bb8a8b 100644
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -223,7 +223,8 @@
struct snd_monitor_file *mfile;
struct file *file;
struct snd_shutdown_f_ops *s_f_ops;
- struct file_operations *f_ops, *old_f_ops;
+ struct file_operations *f_ops;
+ const struct file_operations *old_f_ops;
int err;
spin_lock(&card->files_lock);
diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c
index 6b7a367..87b47c9 100644
--- a/sound/core/rawmidi.c
+++ b/sound/core/rawmidi.c
@@ -631,7 +631,8 @@
return -EINVAL;
}
if (params->buffer_size != runtime->buffer_size) {
- if ((newbuf = (char *) kmalloc(params->buffer_size, GFP_KERNEL)) == NULL)
+ newbuf = kmalloc(params->buffer_size, GFP_KERNEL);
+ if (!newbuf)
return -ENOMEM;
kfree(runtime->buffer);
runtime->buffer = newbuf;
@@ -657,7 +658,8 @@
return -EINVAL;
}
if (params->buffer_size != runtime->buffer_size) {
- if ((newbuf = (char *) kmalloc(params->buffer_size, GFP_KERNEL)) == NULL)
+ newbuf = kmalloc(params->buffer_size, GFP_KERNEL);
+ if (!newbuf)
return -ENOMEM;
kfree(runtime->buffer);
runtime->buffer = newbuf;
diff --git a/sound/core/sound.c b/sound/core/sound.c
index 4d28e52..108e430 100644
--- a/sound/core/sound.c
+++ b/sound/core/sound.c
@@ -137,7 +137,7 @@
{
unsigned int minor = iminor(inode);
struct snd_minor *mptr = NULL;
- struct file_operations *old_fops;
+ const struct file_operations *old_fops;
int err = 0;
if (minor >= ARRAY_SIZE(snd_minors))
@@ -240,7 +240,7 @@
* Retrurns zero if successful, or a negative error code on failure.
*/
int snd_register_device(int type, struct snd_card *card, int dev,
- struct file_operations *f_ops, void *private_data,
+ const struct file_operations *f_ops, void *private_data,
const char *name)
{
int minor;
diff --git a/sound/core/sound_oss.c b/sound/core/sound_oss.c
index 4023d3b..9055c6d 100644
--- a/sound/core/sound_oss.c
+++ b/sound/core/sound_oss.c
@@ -95,7 +95,7 @@
}
int snd_register_oss_device(int type, struct snd_card *card, int dev,
- struct file_operations *f_ops, void *private_data,
+ const struct file_operations *f_ops, void *private_data,
const char *name)
{
int minor = snd_oss_kernel_minor(type, card, dev);
diff --git a/sound/oss/dmasound/dmasound_awacs.c b/sound/oss/dmasound/dmasound_awacs.c
index 6ba8d6f..3bbc810 100644
--- a/sound/oss/dmasound/dmasound_awacs.c
+++ b/sound/oss/dmasound/dmasound_awacs.c
@@ -2798,7 +2798,7 @@
DBDMA_ALIGN(beep_dbdma_cmd_space);
/* set up emergency dbdma cmd */
emergency_dbdma_cmd = beep_dbdma_cmd+1 ;
- beep_buf = (short *) kmalloc(BEEP_BUFLEN * 4, GFP_KERNEL);
+ beep_buf = kmalloc(BEEP_BUFLEN * 4, GFP_KERNEL);
if (beep_buf == NULL) {
printk(KERN_ERR "dmasound_pmac: no memory for beep buffer\n");
kfree(beep_dbdma_cmd_space) ;
diff --git a/sound/oss/emu10k1/midi.c b/sound/oss/emu10k1/midi.c
index 959a967..25ae8e4 100644
--- a/sound/oss/emu10k1/midi.c
+++ b/sound/oss/emu10k1/midi.c
@@ -65,7 +65,8 @@
init_midi_hdr(midihdr);
- if ((midihdr->data = (u8 *) kmalloc(MIDIIN_BUFLEN, GFP_KERNEL)) == NULL) {
+ midihdr->data = kmalloc(MIDIIN_BUFLEN, GFP_KERNEL);
+ if (!midihdr->data) {
ERROR();
kfree(midihdr);
return -1;
@@ -334,7 +335,8 @@
midihdr->bytesrecorded = 0;
midihdr->flags = 0;
- if ((midihdr->data = (u8 *) kmalloc(count, GFP_KERNEL)) == NULL) {
+ midihdr->data = kmalloc(count, GFP_KERNEL);
+ if (!midihdr->data) {
ERROR();
kfree(midihdr);
return -EINVAL;
@@ -545,7 +547,8 @@
midihdr->bytesrecorded = 0;
midihdr->flags = 0;
- if ((midihdr->data = (u8 *) kmalloc(1, GFP_KERNEL)) == NULL) {
+ midihdr->data = kmalloc(1, GFP_KERNEL);
+ if (!midihdr->data) {
ERROR();
kfree(midihdr);
return -EINVAL;
diff --git a/sound/oss/esssolo1.c b/sound/oss/esssolo1.c
index 78d3e29..6861563 100644
--- a/sound/oss/esssolo1.c
+++ b/sound/oss/esssolo1.c
@@ -2348,7 +2348,7 @@
/* Recording requires 24-bit DMA, so attempt to set dma mask
* to 24 bits first, then 32 bits (playback only) if that fails.
*/
- if (pci_set_dma_mask(pcidev, 0x00ffffff) &&
+ if (pci_set_dma_mask(pcidev, DMA_24BIT_MASK) &&
pci_set_dma_mask(pcidev, DMA_32BIT_MASK)) {
printk(KERN_WARNING "solo1: architecture does not support 24bit or 32bit PCI busmaster DMA\n");
return -ENODEV;
diff --git a/sound/oss/maestro3.c b/sound/oss/maestro3.c
index 66044af..4a5e423 100644
--- a/sound/oss/maestro3.c
+++ b/sound/oss/maestro3.c
@@ -2582,15 +2582,9 @@
return 0;
}
-static void free_dsp_suspendmem(struct m3_card *card)
-{
- if(card->suspend_mem)
- vfree(card->suspend_mem);
-}
#else
#define alloc_dsp_suspendmem(args...) 0
-#define free_dsp_suspendmem(args...)
#endif
/*
@@ -2717,7 +2711,7 @@
if(ret) {
if(card->iobase)
release_region(pci_resource_start(pci_dev, 0), pci_resource_len(pci_dev, 0));
- free_dsp_suspendmem(card);
+ vfree(card->suspend_mem);
if(card->ac97) {
unregister_sound_mixer(card->ac97->dev_mixer);
kfree(card->ac97);
@@ -2760,7 +2754,7 @@
}
release_region(card->iobase, 256);
- free_dsp_suspendmem(card);
+ vfree(card->suspend_mem);
kfree(card);
}
devs = NULL;
diff --git a/sound/oss/msnd.c b/sound/oss/msnd.c
index a7ad2b0..5dbfc0f 100644
--- a/sound/oss/msnd.c
+++ b/sound/oss/msnd.c
@@ -95,10 +95,8 @@
void msnd_fifo_free(msnd_fifo *f)
{
- if (f->data) {
- vfree(f->data);
- f->data = NULL;
- }
+ vfree(f->data);
+ f->data = NULL;
}
int msnd_fifo_alloc(msnd_fifo *f, size_t n)
diff --git a/sound/oss/sb_card.c b/sound/oss/sb_card.c
index d38e88a..4708cbd 100644
--- a/sound/oss/sb_card.c
+++ b/sound/oss/sb_card.c
@@ -348,10 +348,8 @@
sb_unregister_all();
- if (smw_free) {
- vfree(smw_free);
- smw_free = NULL;
- }
+ vfree(smw_free);
+ smw_free = NULL;
}
module_init(sb_init);
diff --git a/sound/oss/sequencer.c b/sound/oss/sequencer.c
index 347cd79..6815c30 100644
--- a/sound/oss/sequencer.c
+++ b/sound/oss/sequencer.c
@@ -1671,14 +1671,7 @@
void sequencer_unload(void)
{
- if(queue)
- {
- vfree(queue);
- queue=NULL;
- }
- if(iqueue)
- {
- vfree(iqueue);
- iqueue=NULL;
- }
+ vfree(queue);
+ vfree(iqueue);
+ queue = iqueue = NULL;
}
diff --git a/sound/oss/sh_dac_audio.c b/sound/oss/sh_dac_audio.c
index 8a9917c9..3f7427c 100644
--- a/sound/oss/sh_dac_audio.c
+++ b/sound/oss/sh_dac_audio.c
@@ -289,7 +289,7 @@
in_use = 0;
- data_buffer = (char *)kmalloc(BUFFER_SIZE, GFP_KERNEL);
+ data_buffer = kmalloc(BUFFER_SIZE, GFP_KERNEL);
if (data_buffer == NULL)
return -ENOMEM;
diff --git a/sound/oss/sonicvibes.c b/sound/oss/sonicvibes.c
index 4471757..42bd276 100644
--- a/sound/oss/sonicvibes.c
+++ b/sound/oss/sonicvibes.c
@@ -116,6 +116,7 @@
#include <linux/spinlock.h>
#include <linux/smp_lock.h>
#include <linux/gameport.h>
+#include <linux/dma-mapping.h>
#include <linux/mutex.h>
@@ -2535,7 +2536,7 @@
return -ENODEV;
if (pcidev->irq == 0)
return -ENODEV;
- if (pci_set_dma_mask(pcidev, 0x00ffffff)) {
+ if (pci_set_dma_mask(pcidev, DMA_24BIT_MASK)) {
printk(KERN_WARNING "sonicvibes: architecture does not support 24bit PCI busmaster DMA\n");
return -ENODEV;
}
diff --git a/sound/pci/ad1889.c b/sound/pci/ad1889.c
index 2aa5a7f..c6c8333 100644
--- a/sound/pci/ad1889.c
+++ b/sound/pci/ad1889.c
@@ -39,6 +39,7 @@
#include <linux/interrupt.h>
#include <linux/compiler.h>
#include <linux/delay.h>
+#include <linux/dma-mapping.h>
#include <sound/driver.h>
#include <sound/core.h>
diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c
index e264136..fc92b68 100644
--- a/sound/pci/ali5451/ali5451.c
+++ b/sound/pci/ali5451/ali5451.c
@@ -33,6 +33,7 @@
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/moduleparam.h>
+#include <linux/dma-mapping.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/info.h>
@@ -2220,8 +2221,8 @@
if ((err = pci_enable_device(pci)) < 0)
return err;
/* check, if we can restrict PCI DMA transfers to 31 bits */
- if (pci_set_dma_mask(pci, 0x7fffffff) < 0 ||
- pci_set_consistent_dma_mask(pci, 0x7fffffff) < 0) {
+ if (pci_set_dma_mask(pci, DMA_31BIT_MASK) < 0 ||
+ pci_set_consistent_dma_mask(pci, DMA_31BIT_MASK) < 0) {
snd_printk(KERN_ERR "architecture does not support 31bit PCI busmaster DMA\n");
pci_disable_device(pci);
return -ENXIO;
diff --git a/sound/pci/als4000.c b/sound/pci/als4000.c
index 7b2ff5f..100d812 100644
--- a/sound/pci/als4000.c
+++ b/sound/pci/als4000.c
@@ -70,6 +70,7 @@
#include <linux/slab.h>
#include <linux/gameport.h>
#include <linux/moduleparam.h>
+#include <linux/dma-mapping.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/rawmidi.h>
@@ -688,8 +689,8 @@
return err;
}
/* check, if we can restrict PCI DMA transfers to 24 bits */
- if (pci_set_dma_mask(pci, 0x00ffffff) < 0 ||
- pci_set_consistent_dma_mask(pci, 0x00ffffff) < 0) {
+ if (pci_set_dma_mask(pci, DMA_24BIT_MASK) < 0 ||
+ pci_set_consistent_dma_mask(pci, DMA_24BIT_MASK) < 0) {
snd_printk(KERN_ERR "architecture does not support 24bit PCI busmaster DMA\n");
pci_disable_device(pci);
return -ENXIO;
diff --git a/sound/pci/azt3328.c b/sound/pci/azt3328.c
index e077eb3..680077e 100644
--- a/sound/pci/azt3328.c
+++ b/sound/pci/azt3328.c
@@ -104,6 +104,7 @@
#include <linux/slab.h>
#include <linux/gameport.h>
#include <linux/moduleparam.h>
+#include <linux/dma-mapping.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/pcm.h>
@@ -1669,8 +1670,8 @@
chip->irq = -1;
/* check if we can restrict PCI DMA transfers to 24 bits */
- if (pci_set_dma_mask(pci, 0x00ffffff) < 0 ||
- pci_set_consistent_dma_mask(pci, 0x00ffffff) < 0) {
+ if (pci_set_dma_mask(pci, DMA_24BIT_MASK) < 0 ||
+ pci_set_consistent_dma_mask(pci, DMA_24BIT_MASK) < 0) {
snd_printk(KERN_ERR "architecture does not support 24bit PCI busmaster DMA\n");
err = -ENXIO;
goto out_err;
diff --git a/sound/pci/emu10k1/emu10k1x.c b/sound/pci/emu10k1/emu10k1x.c
index 2208dbd..3e332f3 100644
--- a/sound/pci/emu10k1/emu10k1x.c
+++ b/sound/pci/emu10k1/emu10k1x.c
@@ -36,6 +36,7 @@
#include <linux/dma-mapping.h>
#include <linux/slab.h>
#include <linux/moduleparam.h>
+#include <linux/dma-mapping.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/pcm.h>
diff --git a/sound/pci/es1938.c b/sound/pci/es1938.c
index 0d556b0..4d62fe4 100644
--- a/sound/pci/es1938.c
+++ b/sound/pci/es1938.c
@@ -55,6 +55,7 @@
#include <linux/gameport.h>
#include <linux/moduleparam.h>
#include <linux/delay.h>
+#include <linux/dma-mapping.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/pcm.h>
@@ -1517,8 +1518,8 @@
if ((err = pci_enable_device(pci)) < 0)
return err;
/* check, if we can restrict PCI DMA transfers to 24 bits */
- if (pci_set_dma_mask(pci, 0x00ffffff) < 0 ||
- pci_set_consistent_dma_mask(pci, 0x00ffffff) < 0) {
+ if (pci_set_dma_mask(pci, DMA_24BIT_MASK) < 0 ||
+ pci_set_consistent_dma_mask(pci, DMA_24BIT_MASK) < 0) {
snd_printk(KERN_ERR "architecture does not support 24bit PCI busmaster DMA\n");
pci_disable_device(pci);
return -ENXIO;
diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c
index dd465a1..e3ad17f 100644
--- a/sound/pci/es1968.c
+++ b/sound/pci/es1968.c
@@ -104,6 +104,7 @@
#include <linux/slab.h>
#include <linux/gameport.h>
#include <linux/moduleparam.h>
+#include <linux/dma-mapping.h>
#include <linux/mutex.h>
#include <sound/core.h>
diff --git a/sound/pci/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c
index 672e198..b88eeba 100644
--- a/sound/pci/ice1712/ice1712.c
+++ b/sound/pci/ice1712/ice1712.c
@@ -56,7 +56,9 @@
#include <linux/dma-mapping.h>
#include <linux/slab.h>
#include <linux/moduleparam.h>
+#include <linux/dma-mapping.h>
#include <linux/mutex.h>
+
#include <sound/core.h>
#include <sound/cs8427.h>
#include <sound/info.h>
diff --git a/sound/pci/maestro3.c b/sound/pci/maestro3.c
index 8bc0849..44393e1 100644
--- a/sound/pci/maestro3.c
+++ b/sound/pci/maestro3.c
@@ -41,6 +41,7 @@
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/moduleparam.h>
+#include <linux/dma-mapping.h>
#include <sound/core.h>
#include <sound/info.h>
#include <sound/control.h>
diff --git a/sound/pci/mixart/mixart.c b/sound/pci/mixart/mixart.c
index 43ee3b2..b5a0950 100644
--- a/sound/pci/mixart/mixart.c
+++ b/sound/pci/mixart/mixart.c
@@ -28,6 +28,8 @@
#include <linux/dma-mapping.h>
#include <linux/moduleparam.h>
#include <linux/mutex.h>
+#include <linux/dma-mapping.h>
+
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/info.h>
diff --git a/sound/pci/pcxhr/pcxhr.c b/sound/pci/pcxhr/pcxhr.c
index f679779..35875c8 100644
--- a/sound/pci/pcxhr/pcxhr.c
+++ b/sound/pci/pcxhr/pcxhr.c
@@ -30,6 +30,7 @@
#include <linux/delay.h>
#include <linux/moduleparam.h>
#include <linux/mutex.h>
+#include <linux/dma-mapping.h>
#include <sound/core.h>
#include <sound/initval.h>
diff --git a/sound/pci/rme32.c b/sound/pci/rme32.c
index 0cbef5f..ab78544 100644
--- a/sound/pci/rme32.c
+++ b/sound/pci/rme32.c
@@ -313,7 +313,7 @@
}
/*
- * SPDIF I/O capabilites (half-duplex mode)
+ * SPDIF I/O capabilities (half-duplex mode)
*/
static struct snd_pcm_hardware snd_rme32_spdif_info = {
.info = (SNDRV_PCM_INFO_MMAP_IOMEM |
@@ -339,7 +339,7 @@
};
/*
- * ADAT I/O capabilites (half-duplex mode)
+ * ADAT I/O capabilities (half-duplex mode)
*/
static struct snd_pcm_hardware snd_rme32_adat_info =
{
@@ -364,7 +364,7 @@
};
/*
- * SPDIF I/O capabilites (full-duplex mode)
+ * SPDIF I/O capabilities (full-duplex mode)
*/
static struct snd_pcm_hardware snd_rme32_spdif_fd_info = {
.info = (SNDRV_PCM_INFO_MMAP |
@@ -390,7 +390,7 @@
};
/*
- * ADAT I/O capabilites (full-duplex mode)
+ * ADAT I/O capabilities (full-duplex mode)
*/
static struct snd_pcm_hardware snd_rme32_adat_fd_info =
{
diff --git a/sound/pci/rme96.c b/sound/pci/rme96.c
index 0e694b0..6c2a9f4 100644
--- a/sound/pci/rme96.c
+++ b/sound/pci/rme96.c
@@ -359,7 +359,7 @@
}
/*
- * Digital output capabilites (S/PDIF)
+ * Digital output capabilities (S/PDIF)
*/
static struct snd_pcm_hardware snd_rme96_playback_spdif_info =
{
@@ -388,7 +388,7 @@
};
/*
- * Digital input capabilites (S/PDIF)
+ * Digital input capabilities (S/PDIF)
*/
static struct snd_pcm_hardware snd_rme96_capture_spdif_info =
{
@@ -417,7 +417,7 @@
};
/*
- * Digital output capabilites (ADAT)
+ * Digital output capabilities (ADAT)
*/
static struct snd_pcm_hardware snd_rme96_playback_adat_info =
{
@@ -442,7 +442,7 @@
};
/*
- * Digital input capabilites (ADAT)
+ * Digital input capabilities (ADAT)
*/
static struct snd_pcm_hardware snd_rme96_capture_adat_info =
{
diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index 980b9cd..b5538ef 100644
--- a/sound/pci/rme9652/hdspm.c
+++ b/sound/pci/rme9652/hdspm.c
@@ -2256,7 +2256,7 @@
}
/* Channel playback mixer as default control
- Note: the whole matrix would be 128*HDSPM_MIXER_CHANNELS Faders, thats to big for any alsamixer
+ Note: the whole matrix would be 128*HDSPM_MIXER_CHANNELS Faders, thats too big for any alsamixer
they are accesible via special IOCTL on hwdep
and the mixer 2dimensional mixer control */
diff --git a/sound/pci/sonicvibes.c b/sound/pci/sonicvibes.c
index 7bbea37..2d66a09 100644
--- a/sound/pci/sonicvibes.c
+++ b/sound/pci/sonicvibes.c
@@ -30,6 +30,7 @@
#include <linux/slab.h>
#include <linux/gameport.h>
#include <linux/moduleparam.h>
+#include <linux/dma-mapping.h>
#include <sound/core.h>
#include <sound/pcm.h>
@@ -1227,8 +1228,8 @@
if ((err = pci_enable_device(pci)) < 0)
return err;
/* check, if we can restrict PCI DMA transfers to 24 bits */
- if (pci_set_dma_mask(pci, 0x00ffffff) < 0 ||
- pci_set_consistent_dma_mask(pci, 0x00ffffff) < 0) {
+ if (pci_set_dma_mask(pci, DMA_24BIT_MASK) < 0 ||
+ pci_set_consistent_dma_mask(pci, DMA_24BIT_MASK) < 0) {
snd_printk(KERN_ERR "architecture does not support 24bit PCI busmaster DMA\n");
pci_disable_device(pci);
return -ENXIO;
diff --git a/sound/pci/trident/trident_main.c b/sound/pci/trident/trident_main.c
index 83b7d8a..52178b8 100644
--- a/sound/pci/trident/trident_main.c
+++ b/sound/pci/trident/trident_main.c
@@ -35,6 +35,7 @@
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/gameport.h>
+#include <linux/dma-mapping.h>
#include <sound/core.h>
#include <sound/info.h>
@@ -3554,8 +3555,8 @@
if ((err = pci_enable_device(pci)) < 0)
return err;
/* check, if we can restrict PCI DMA transfers to 30 bits */
- if (pci_set_dma_mask(pci, 0x3fffffff) < 0 ||
- pci_set_consistent_dma_mask(pci, 0x3fffffff) < 0) {
+ if (pci_set_dma_mask(pci, DMA_30BIT_MASK) < 0 ||
+ pci_set_consistent_dma_mask(pci, DMA_30BIT_MASK) < 0) {
snd_printk(KERN_ERR "architecture does not support 30bit PCI busmaster DMA\n");
pci_disable_device(pci);
return -ENXIO;
diff --git a/sound/sound_core.c b/sound/sound_core.c
index 394b53e..6f84972 100644
--- a/sound/sound_core.c
+++ b/sound/sound_core.c
@@ -53,7 +53,7 @@
struct sound_unit
{
int unit_minor;
- struct file_operations *unit_fops;
+ const struct file_operations *unit_fops;
struct sound_unit *next;
char name[32];
};
@@ -73,7 +73,7 @@
* join into it. Called with the lock asserted
*/
-static int __sound_insert_unit(struct sound_unit * s, struct sound_unit **list, struct file_operations *fops, int index, int low, int top)
+static int __sound_insert_unit(struct sound_unit * s, struct sound_unit **list, const struct file_operations *fops, int index, int low, int top)
{
int n=low;
@@ -153,7 +153,7 @@
* list. Acquires locks as needed
*/
-static int sound_insert_unit(struct sound_unit **list, struct file_operations *fops, int index, int low, int top, const char *name, umode_t mode, struct device *dev)
+static int sound_insert_unit(struct sound_unit **list, const struct file_operations *fops, int index, int low, int top, const char *name, umode_t mode, struct device *dev)
{
struct sound_unit *s = kmalloc(sizeof(*s), GFP_KERNEL);
int r;
@@ -237,7 +237,7 @@
* a negative error code is returned.
*/
-int register_sound_special_device(struct file_operations *fops, int unit,
+int register_sound_special_device(const struct file_operations *fops, int unit,
struct device *dev)
{
const int chain = unit % SOUND_STEP;
@@ -301,7 +301,7 @@
EXPORT_SYMBOL(register_sound_special_device);
-int register_sound_special(struct file_operations *fops, int unit)
+int register_sound_special(const struct file_operations *fops, int unit)
{
return register_sound_special_device(fops, unit, NULL);
}
@@ -318,7 +318,7 @@
* number is returned, on failure a negative error code is returned.
*/
-int register_sound_mixer(struct file_operations *fops, int dev)
+int register_sound_mixer(const struct file_operations *fops, int dev)
{
return sound_insert_unit(&chains[0], fops, dev, 0, 128,
"mixer", S_IRUSR | S_IWUSR, NULL);
@@ -336,7 +336,7 @@
* number is returned, on failure a negative error code is returned.
*/
-int register_sound_midi(struct file_operations *fops, int dev)
+int register_sound_midi(const struct file_operations *fops, int dev)
{
return sound_insert_unit(&chains[2], fops, dev, 2, 130,
"midi", S_IRUSR | S_IWUSR, NULL);
@@ -362,7 +362,7 @@
* and will always allocate them as a matching pair - eg dsp3/audio3
*/
-int register_sound_dsp(struct file_operations *fops, int dev)
+int register_sound_dsp(const struct file_operations *fops, int dev)
{
return sound_insert_unit(&chains[3], fops, dev, 3, 131,
"dsp", S_IWUSR | S_IRUSR, NULL);
@@ -381,7 +381,7 @@
*/
-int register_sound_synth(struct file_operations *fops, int dev)
+int register_sound_synth(const struct file_operations *fops, int dev)
{
return sound_insert_unit(&chains[9], fops, dev, 9, 137,
"synth", S_IRUSR | S_IWUSR, NULL);
@@ -501,7 +501,7 @@
int chain;
int unit = iminor(inode);
struct sound_unit *s;
- struct file_operations *new_fops = NULL;
+ const struct file_operations *new_fops = NULL;
chain=unit&0x0F;
if(chain==4 || chain==5) /* dsp/audio/dsp16 */
@@ -540,7 +540,7 @@
* switching ->f_op in the first place.
*/
int err = 0;
- struct file_operations *old_fops = file->f_op;
+ const struct file_operations *old_fops = file->f_op;
file->f_op = new_fops;
spin_unlock(&sound_loader_lock);
if(file->f_op->open)
diff --git a/sound/usb/usx2y/usx2yhwdeppcm.c b/sound/usb/usx2y/usx2yhwdeppcm.c
index 3158550..fe67a92 100644
--- a/sound/usb/usx2y/usx2yhwdeppcm.c
+++ b/sound/usb/usx2y/usx2yhwdeppcm.c
@@ -404,7 +404,7 @@
struct usX2Ydev * usX2Y = subs->usX2Y;
usX2Y->prepare_subs = subs;
subs->urb[0]->start_frame = -1;
- smp_wmb(); // Make shure above modifications are seen by i_usX2Y_subs_startup()
+ smp_wmb(); // Make sure above modifications are seen by i_usX2Y_subs_startup()
usX2Y_urbs_set_complete(usX2Y, i_usX2Y_usbpcm_subs_startup);
}