Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (23 commits)
ACPI: delete acpi_processor_power_verify_c2()
ACPI: allow C3 > 1000usec
ACPI: enable C2 and Turbo-mode on Nehalem notebooks on A/C
ACPI: power_meter: remove double kfree()
ACPI: processor: restrict early _PDC to opt-in platforms
ACPI: Fix unused variable warning in sbs.c
acpi: make ACPI device id constant
sony-laptop - fix using of uninitialized variable
ACPI: Fix section mismatch error for acpi_early_processor_set_pdc()
eeepc-laptop: disable wireless hotplug for 1201N
eeepc-laptop: add hotplug_disable parameter
eeepc-laptop: switch to using sparse keymap library
eeepc-laptop: dmi blacklist to disable pci hotplug code
eeepc-laptop: disable cpu speed control on EeePC 701
ACPI: don't cond_resched if irq is disabled
ACPI: Remove unnecessary cast.
ACPI: Advertise to BIOS in _OSC: _OST on _PPC changes
ACPI: EC: Add wait for irq storm
ACPI: SBS: Move SBS HC callback to faster Notify queue
x86, ACPI: delete acpi_boot_table_init() return value
...
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index c2238cd..4c33ca8 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -729,14 +729,26 @@
endchoice
+source "arch/arm/mach-aaec2000/Kconfig"
+
+source "arch/arm/mach-at91/Kconfig"
+
+source "arch/arm/mach-bcmring/Kconfig"
+
source "arch/arm/mach-clps711x/Kconfig"
+source "arch/arm/mach-davinci/Kconfig"
+
+source "arch/arm/mach-dove/Kconfig"
+
source "arch/arm/mach-ep93xx/Kconfig"
source "arch/arm/mach-footbridge/Kconfig"
source "arch/arm/mach-gemini/Kconfig"
+source "arch/arm/mach-h720x/Kconfig"
+
source "arch/arm/mach-integrator/Kconfig"
source "arch/arm/mach-iop32x/Kconfig"
@@ -751,16 +763,26 @@
source "arch/arm/mach-ixp23xx/Kconfig"
+source "arch/arm/mach-kirkwood/Kconfig"
+
+source "arch/arm/mach-ks8695/Kconfig"
+
+source "arch/arm/mach-lh7a40x/Kconfig"
+
source "arch/arm/mach-loki/Kconfig"
+source "arch/arm/mach-msm/Kconfig"
+
source "arch/arm/mach-mv78xx0/Kconfig"
-source "arch/arm/mach-pxa/Kconfig"
-source "arch/arm/plat-pxa/Kconfig"
+source "arch/arm/plat-mxc/Kconfig"
-source "arch/arm/mach-mmp/Kconfig"
+source "arch/arm/mach-netx/Kconfig"
-source "arch/arm/mach-sa1100/Kconfig"
+source "arch/arm/mach-nomadik/Kconfig"
+source "arch/arm/plat-nomadik/Kconfig"
+
+source "arch/arm/mach-ns9xxx/Kconfig"
source "arch/arm/plat-omap/Kconfig"
@@ -770,9 +792,14 @@
source "arch/arm/mach-orion5x/Kconfig"
-source "arch/arm/mach-kirkwood/Kconfig"
+source "arch/arm/mach-pxa/Kconfig"
+source "arch/arm/plat-pxa/Kconfig"
-source "arch/arm/mach-dove/Kconfig"
+source "arch/arm/mach-mmp/Kconfig"
+
+source "arch/arm/mach-realview/Kconfig"
+
+source "arch/arm/mach-sa1100/Kconfig"
source "arch/arm/plat-samsung/Kconfig"
source "arch/arm/plat-s3c24xx/Kconfig"
@@ -800,41 +827,14 @@
source "arch/arm/mach-s5pc100/Kconfig"
endif
-source "arch/arm/mach-lh7a40x/Kconfig"
+source "arch/arm/mach-u300/Kconfig"
-source "arch/arm/mach-h720x/Kconfig"
+source "arch/arm/mach-ux500/Kconfig"
source "arch/arm/mach-versatile/Kconfig"
-source "arch/arm/mach-aaec2000/Kconfig"
-
-source "arch/arm/mach-realview/Kconfig"
-
-source "arch/arm/mach-at91/Kconfig"
-
-source "arch/arm/plat-mxc/Kconfig"
-
-source "arch/arm/mach-nomadik/Kconfig"
-source "arch/arm/plat-nomadik/Kconfig"
-
-source "arch/arm/mach-netx/Kconfig"
-
-source "arch/arm/mach-ns9xxx/Kconfig"
-
-source "arch/arm/mach-davinci/Kconfig"
-
-source "arch/arm/mach-ks8695/Kconfig"
-
-source "arch/arm/mach-msm/Kconfig"
-
-source "arch/arm/mach-u300/Kconfig"
-
source "arch/arm/mach-w90x900/Kconfig"
-source "arch/arm/mach-bcmring/Kconfig"
-
-source "arch/arm/mach-ux500/Kconfig"
-
# Definitions to make life easier
config ARCH_ACORN
bool
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index e9da084..9e75825 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -146,6 +146,7 @@
machine-$(CONFIG_ARCH_MX2) := mx2
machine-$(CONFIG_ARCH_MX25) := mx25
machine-$(CONFIG_ARCH_MX3) := mx3
+machine-$(CONFIG_ARCH_MXC91231) := mxc91231
machine-$(CONFIG_ARCH_NETX) := netx
machine-$(CONFIG_ARCH_NOMADIK) := nomadik
machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx
@@ -171,12 +172,12 @@
machine-$(CONFIG_ARCH_VERSATILE) := versatile
machine-$(CONFIG_ARCH_W90X900) := w90x900
machine-$(CONFIG_FOOTBRIDGE) := footbridge
-machine-$(CONFIG_ARCH_MXC91231) := mxc91231
# Platform directory name. This list is sorted alphanumerically
# by CONFIG_* macro name.
plat-$(CONFIG_ARCH_MXC) := mxc
plat-$(CONFIG_ARCH_OMAP) := omap
+plat-$(CONFIG_ARCH_STMP3XXX) := stmp3xxx
plat-$(CONFIG_PLAT_IOP) := iop
plat-$(CONFIG_PLAT_NOMADIK) := nomadik
plat-$(CONFIG_PLAT_ORION) := orion
@@ -184,7 +185,6 @@
plat-$(CONFIG_PLAT_S3C24XX) := s3c24xx s3c samsung
plat-$(CONFIG_PLAT_S3C64XX) := s3c64xx s3c samsung
plat-$(CONFIG_PLAT_S5PC1XX) := s5pc1xx s3c samsung
-plat-$(CONFIG_ARCH_STMP3XXX) := stmp3xxx
ifeq ($(CONFIG_ARCH_EBSA110),y)
# This is what happens if you forget the IOCS16 line.
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index d356af7..4fddc50 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -27,6 +27,14 @@
.macro writeb, ch, rb
mcr p14, 0, \ch, c0, c5, 0
.endm
+#elif defined(CONFIG_CPU_V7)
+ .macro loadsp, rb
+ .endm
+ .macro writeb, ch, rb
+wait: mrc p14, 0, pc, c0, c1, 0
+ bcs wait
+ mcr p14, 0, \ch, c0, c5, 0
+ .endm
#elif defined(CONFIG_CPU_XSCALE)
.macro loadsp, rb
.endm
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
index 7e0fe4d..56a0d11 100644
--- a/arch/arm/boot/compressed/misc.c
+++ b/arch/arm/boot/compressed/misc.c
@@ -53,6 +53,18 @@
asm("mcr p14, 0, %0, c0, c5, 0" : : "r" (ch));
}
+
+#elif defined(CONFIG_CPU_V7)
+
+static void icedcc_putc(int ch)
+{
+ asm(
+ "wait: mrc p14, 0, pc, c0, c1, 0 \n\
+ bcs wait \n\
+ mcr p14, 0, %0, c0, c5, 0 "
+ : : "r" (ch));
+}
+
#elif defined(CONFIG_CPU_XSCALE)
static void icedcc_putc(int ch)
@@ -88,7 +100,6 @@
#endif
#define putc(ch) icedcc_putc(ch)
-#define flush() do { } while (0)
#endif
static void putstr(const char *ptr)
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index 730aefc..c77d2fa 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -154,16 +154,16 @@
* Please note that the implementation of these, and the required
* effects are cache-type (VIVT/VIPT/PIPT) specific.
*
- * flush_cache_kern_all()
+ * flush_kern_all()
*
* Unconditionally clean and invalidate the entire cache.
*
- * flush_cache_user_mm(mm)
+ * flush_user_all()
*
* Clean and invalidate all user space cache entries
* before a change of page tables.
*
- * flush_cache_user_range(start, end, flags)
+ * flush_user_range(start, end, flags)
*
* Clean and invalidate a range of cache entries in the
* specified address space before a change of page tables.
@@ -179,6 +179,20 @@
* - start - virtual start address
* - end - virtual end address
*
+ * coherent_user_range(start, end)
+ *
+ * Ensure coherency between the Icache and the Dcache in the
+ * region described by start, end. If you have non-snooping
+ * Harvard caches, you need to implement this function.
+ * - start - virtual start address
+ * - end - virtual end address
+ *
+ * flush_kern_dcache_area(kaddr, size)
+ *
+ * Ensure that the data held in page is written back.
+ * - kaddr - page address
+ * - size - region size
+ *
* DMA Cache Coherency
* ===================
*
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S
index b121b60..5c91add 100644
--- a/arch/arm/kernel/debug.S
+++ b/arch/arm/kernel/debug.S
@@ -49,6 +49,26 @@
1002:
.endm
+#elif defined(CONFIG_CPU_V7)
+
+ .macro addruart, rx
+ .endm
+
+ .macro senduart, rd, rx
+ mcr p14, 0, \rd, c0, c5, 0
+ .endm
+
+ .macro busyuart, rd, rx
+busy: mrc p14, 0, pc, c0, c1, 0
+ bcs busy
+ .endm
+
+ .macro waituart, rd, rx
+wait: mrc p14, 0, pc, c0, c1, 0
+ bcs wait
+
+ .endm
+
#elif defined(CONFIG_CPU_XSCALE)
.macro addruart, rx
diff --git a/arch/arm/kernel/elf.c b/arch/arm/kernel/elf.c
index 950391f..d4a0da1 100644
--- a/arch/arm/kernel/elf.c
+++ b/arch/arm/kernel/elf.c
@@ -78,15 +78,6 @@
return 1;
if (cpu_architecture() < CPU_ARCH_ARMv6)
return 1;
-#if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT)
- /*
- * If we have support for OABI programs, we can never allow NX
- * support - our signal syscall restart mechanism relies upon
- * being able to execute code placed on the user stack.
- */
- return 1;
-#else
return 0;
-#endif
}
EXPORT_SYMBOL(arm_elf_read_implies_exec);
diff --git a/arch/arm/mach-gemini/include/mach/uncompress.h b/arch/arm/mach-gemini/include/mach/uncompress.h
index 59c5df7..5483f61 100644
--- a/arch/arm/mach-gemini/include/mach/uncompress.h
+++ b/arch/arm/mach-gemini/include/mach/uncompress.h
@@ -30,7 +30,9 @@
UART[UART_TX] = c;
}
-#define flush() do { } while (0)
+static inline void flush(void)
+{
+}
/*
* nothing to do
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 1708da8..761ffed 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -1067,4 +1067,6 @@
pmd[1] = __pmd(pmdval + (1 << (PGDIR_SHIFT - 1)));
flush_pmd_entry(pmd);
}
+
+ local_flush_tlb_all();
}
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
index 395cc90..7a5337e 100644
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -59,8 +59,6 @@
* to what would be the reset vector.
*
* - loc - location to jump to for soft reset
- *
- * It is assumed that:
*/
.align 5
ENTRY(cpu_v6_reset)
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index 3a28521..7aaf88a 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -45,7 +45,14 @@
ENDPROC(cpu_v7_proc_init)
ENTRY(cpu_v7_proc_fin)
- mov pc, lr
+ stmfd sp!, {lr}
+ cpsid if @ disable interrupts
+ bl v7_flush_kern_cache_all
+ mrc p15, 0, r0, c1, c0, 0 @ ctrl register
+ bic r0, r0, #0x1000 @ ...i............
+ bic r0, r0, #0x0006 @ .............ca.
+ mcr p15, 0, r0, c1, c0, 0 @ disable caches
+ ldmfd sp!, {pc}
ENDPROC(cpu_v7_proc_fin)
/*
@@ -56,8 +63,6 @@
* to what would be the reset vector.
*
* - loc - location to jump to for soft reset
- *
- * It is assumed that:
*/
.align 5
ENTRY(cpu_v7_reset)
diff --git a/arch/arm/plat-mxc/include/mach/uncompress.h b/arch/arm/plat-mxc/include/mach/uncompress.h
index 4d5d395..d49384c 100644
--- a/arch/arm/plat-mxc/include/mach/uncompress.h
+++ b/arch/arm/plat-mxc/include/mach/uncompress.h
@@ -60,7 +60,9 @@
UART(TXR) = ch;
}
-#define flush() do { } while (0)
+static inline void flush(void)
+{
+}
#define MX1_UART1_BASE_ADDR 0x00206000
#define MX25_UART1_BASE_ADDR 0x43f90000
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index 5d0f70b..858ecb2 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -533,7 +533,7 @@
while (t--) {
if (!ctrl_inw(EEPROM_STAT))
return 1;
- cpu_relax();
+ udelay(1);
}
printk(KERN_ERR "ms7724se can not access to eeprom\n");
diff --git a/arch/sh/include/asm/unistd_32.h b/arch/sh/include/asm/unistd_32.h
index f18c4f9..365744b 100644
--- a/arch/sh/include/asm/unistd_32.h
+++ b/arch/sh/include/asm/unistd_32.h
@@ -345,12 +345,13 @@
#define __NR_pwritev 334
#define __NR_rt_tgsigqueueinfo 335
#define __NR_perf_event_open 336
-#define __NR_recvmmsg 337
-#define NR_syscalls 338
+#define NR_syscalls 337
#ifdef __KERNEL__
+#define __IGNORE_recvmmsg
+
#define __ARCH_WANT_IPC_PARSE_VERSION
#define __ARCH_WANT_OLD_READDIR
#define __ARCH_WANT_OLD_STAT
diff --git a/arch/sh/include/asm/unistd_64.h b/arch/sh/include/asm/unistd_64.h
index 3e7645d..25de158 100644
--- a/arch/sh/include/asm/unistd_64.h
+++ b/arch/sh/include/asm/unistd_64.h
@@ -386,10 +386,11 @@
#define __NR_rt_tgsigqueueinfo 363
#define __NR_perf_event_open 364
#define __NR_recvmmsg 365
+#define __NR_accept4 366
#ifdef __KERNEL__
-#define NR_syscalls 366
+#define NR_syscalls 367
#define __ARCH_WANT_IPC_PARSE_VERSION
#define __ARCH_WANT_OLD_READDIR
diff --git a/arch/sh/kernel/syscalls_32.S b/arch/sh/kernel/syscalls_32.S
index 4bd5a11..19fd11d 100644
--- a/arch/sh/kernel/syscalls_32.S
+++ b/arch/sh/kernel/syscalls_32.S
@@ -353,4 +353,3 @@
.long sys_pwritev
.long sys_rt_tgsigqueueinfo /* 335 */
.long sys_perf_event_open
- .long sys_recvmmsg
diff --git a/arch/sh/kernel/syscalls_64.S b/arch/sh/kernel/syscalls_64.S
index 07d2aae..2048a20 100644
--- a/arch/sh/kernel/syscalls_64.S
+++ b/arch/sh/kernel/syscalls_64.S
@@ -392,3 +392,4 @@
.long sys_rt_tgsigqueueinfo
.long sys_perf_event_open
.long sys_recvmmsg /* 365 */
+ .long sys_accept4
diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c
index 2e9e699..54f4798 100644
--- a/fs/btrfs/acl.c
+++ b/fs/btrfs/acl.c
@@ -112,12 +112,14 @@
switch (type) {
case ACL_TYPE_ACCESS:
mode = inode->i_mode;
- ret = posix_acl_equiv_mode(acl, &mode);
- if (ret < 0)
- return ret;
- ret = 0;
- inode->i_mode = mode;
name = POSIX_ACL_XATTR_ACCESS;
+ if (acl) {
+ ret = posix_acl_equiv_mode(acl, &mode);
+ if (ret < 0)
+ return ret;
+ inode->i_mode = mode;
+ }
+ ret = 0;
break;
case ACL_TYPE_DEFAULT:
if (!S_ISDIR(inode->i_mode))
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 56e5013..432a2da 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -83,6 +83,17 @@
return (cache->flags & bits) == bits;
}
+void btrfs_get_block_group(struct btrfs_block_group_cache *cache)
+{
+ atomic_inc(&cache->count);
+}
+
+void btrfs_put_block_group(struct btrfs_block_group_cache *cache)
+{
+ if (atomic_dec_and_test(&cache->count))
+ kfree(cache);
+}
+
/*
* this adds the block group to the fs_info rb tree for the block group
* cache
@@ -156,7 +167,7 @@
}
}
if (ret)
- atomic_inc(&ret->count);
+ btrfs_get_block_group(ret);
spin_unlock(&info->block_group_cache_lock);
return ret;
@@ -407,6 +418,8 @@
put_caching_control(caching_ctl);
atomic_dec(&block_group->space_info->caching_threads);
+ btrfs_put_block_group(block_group);
+
return 0;
}
@@ -447,6 +460,7 @@
up_write(&fs_info->extent_commit_sem);
atomic_inc(&cache->space_info->caching_threads);
+ btrfs_get_block_group(cache);
tsk = kthread_run(caching_kthread, cache, "btrfs-cache-%llu\n",
cache->key.objectid);
@@ -486,12 +500,6 @@
return cache;
}
-void btrfs_put_block_group(struct btrfs_block_group_cache *cache)
-{
- if (atomic_dec_and_test(&cache->count))
- kfree(cache);
-}
-
static struct btrfs_space_info *__find_space_info(struct btrfs_fs_info *info,
u64 flags)
{
@@ -2582,7 +2590,7 @@
if (node) {
cache = rb_entry(node, struct btrfs_block_group_cache,
cache_node);
- atomic_inc(&cache->count);
+ btrfs_get_block_group(cache);
} else
cache = NULL;
spin_unlock(&root->fs_info->block_group_cache_lock);
@@ -4227,7 +4235,7 @@
u64 offset;
int cached;
- atomic_inc(&block_group->count);
+ btrfs_get_block_group(block_group);
search_start = block_group->key.objectid;
have_block_group:
@@ -4315,7 +4323,7 @@
btrfs_put_block_group(block_group);
block_group = last_ptr->block_group;
- atomic_inc(&block_group->count);
+ btrfs_get_block_group(block_group);
spin_unlock(&last_ptr->lock);
spin_unlock(&last_ptr->refill_lock);
@@ -7395,9 +7403,7 @@
wait_block_group_cache_done(block_group);
btrfs_remove_free_space_cache(block_group);
-
- WARN_ON(atomic_read(&block_group->count) != 1);
- kfree(block_group);
+ btrfs_put_block_group(block_group);
spin_lock(&info->block_group_cache_lock);
}
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index feaa13b..c020335 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -506,7 +506,8 @@
}
static int extent_mergeable(struct extent_buffer *leaf, int slot,
- u64 objectid, u64 bytenr, u64 *start, u64 *end)
+ u64 objectid, u64 bytenr, u64 orig_offset,
+ u64 *start, u64 *end)
{
struct btrfs_file_extent_item *fi;
struct btrfs_key key;
@@ -522,6 +523,7 @@
fi = btrfs_item_ptr(leaf, slot, struct btrfs_file_extent_item);
if (btrfs_file_extent_type(leaf, fi) != BTRFS_FILE_EXTENT_REG ||
btrfs_file_extent_disk_bytenr(leaf, fi) != bytenr ||
+ btrfs_file_extent_offset(leaf, fi) != key.offset - orig_offset ||
btrfs_file_extent_compression(leaf, fi) ||
btrfs_file_extent_encryption(leaf, fi) ||
btrfs_file_extent_other_encoding(leaf, fi))
@@ -561,6 +563,7 @@
u64 split;
int del_nr = 0;
int del_slot = 0;
+ int recow;
int ret;
btrfs_drop_extent_cache(inode, start, end - 1, 0);
@@ -568,6 +571,7 @@
path = btrfs_alloc_path();
BUG_ON(!path);
again:
+ recow = 0;
split = start;
key.objectid = inode->i_ino;
key.type = BTRFS_EXTENT_DATA_KEY;
@@ -591,12 +595,60 @@
bytenr = btrfs_file_extent_disk_bytenr(leaf, fi);
num_bytes = btrfs_file_extent_disk_num_bytes(leaf, fi);
orig_offset = key.offset - btrfs_file_extent_offset(leaf, fi);
+ memcpy(&new_key, &key, sizeof(new_key));
+
+ if (start == key.offset && end < extent_end) {
+ other_start = 0;
+ other_end = start;
+ if (extent_mergeable(leaf, path->slots[0] - 1,
+ inode->i_ino, bytenr, orig_offset,
+ &other_start, &other_end)) {
+ new_key.offset = end;
+ btrfs_set_item_key_safe(trans, root, path, &new_key);
+ fi = btrfs_item_ptr(leaf, path->slots[0],
+ struct btrfs_file_extent_item);
+ btrfs_set_file_extent_num_bytes(leaf, fi,
+ extent_end - end);
+ btrfs_set_file_extent_offset(leaf, fi,
+ end - orig_offset);
+ fi = btrfs_item_ptr(leaf, path->slots[0] - 1,
+ struct btrfs_file_extent_item);
+ btrfs_set_file_extent_num_bytes(leaf, fi,
+ end - other_start);
+ btrfs_mark_buffer_dirty(leaf);
+ goto out;
+ }
+ }
+
+ if (start > key.offset && end == extent_end) {
+ other_start = end;
+ other_end = 0;
+ if (extent_mergeable(leaf, path->slots[0] + 1,
+ inode->i_ino, bytenr, orig_offset,
+ &other_start, &other_end)) {
+ fi = btrfs_item_ptr(leaf, path->slots[0],
+ struct btrfs_file_extent_item);
+ btrfs_set_file_extent_num_bytes(leaf, fi,
+ start - key.offset);
+ path->slots[0]++;
+ new_key.offset = start;
+ btrfs_set_item_key_safe(trans, root, path, &new_key);
+
+ fi = btrfs_item_ptr(leaf, path->slots[0],
+ struct btrfs_file_extent_item);
+ btrfs_set_file_extent_num_bytes(leaf, fi,
+ other_end - start);
+ btrfs_set_file_extent_offset(leaf, fi,
+ start - orig_offset);
+ btrfs_mark_buffer_dirty(leaf);
+ goto out;
+ }
+ }
while (start > key.offset || end < extent_end) {
if (key.offset == start)
split = end;
- memcpy(&new_key, &key, sizeof(new_key));
new_key.offset = split;
ret = btrfs_duplicate_item(trans, root, path, &new_key);
if (ret == -EAGAIN) {
@@ -631,15 +683,18 @@
path->slots[0]--;
extent_end = end;
}
+ recow = 1;
}
- fi = btrfs_item_ptr(leaf, path->slots[0],
- struct btrfs_file_extent_item);
-
other_start = end;
other_end = 0;
- if (extent_mergeable(leaf, path->slots[0] + 1, inode->i_ino,
- bytenr, &other_start, &other_end)) {
+ if (extent_mergeable(leaf, path->slots[0] + 1,
+ inode->i_ino, bytenr, orig_offset,
+ &other_start, &other_end)) {
+ if (recow) {
+ btrfs_release_path(root, path);
+ goto again;
+ }
extent_end = other_end;
del_slot = path->slots[0] + 1;
del_nr++;
@@ -650,8 +705,13 @@
}
other_start = 0;
other_end = start;
- if (extent_mergeable(leaf, path->slots[0] - 1, inode->i_ino,
- bytenr, &other_start, &other_end)) {
+ if (extent_mergeable(leaf, path->slots[0] - 1,
+ inode->i_ino, bytenr, orig_offset,
+ &other_start, &other_end)) {
+ if (recow) {
+ btrfs_release_path(root, path);
+ goto again;
+ }
key.offset = other_start;
del_slot = path->slots[0];
del_nr++;
@@ -660,22 +720,22 @@
inode->i_ino, orig_offset);
BUG_ON(ret);
}
+ fi = btrfs_item_ptr(leaf, path->slots[0],
+ struct btrfs_file_extent_item);
if (del_nr == 0) {
btrfs_set_file_extent_type(leaf, fi,
BTRFS_FILE_EXTENT_REG);
btrfs_mark_buffer_dirty(leaf);
- goto out;
+ } else {
+ btrfs_set_file_extent_type(leaf, fi,
+ BTRFS_FILE_EXTENT_REG);
+ btrfs_set_file_extent_num_bytes(leaf, fi,
+ extent_end - key.offset);
+ btrfs_mark_buffer_dirty(leaf);
+
+ ret = btrfs_del_items(trans, root, path, del_slot, del_nr);
+ BUG_ON(ret);
}
-
- fi = btrfs_item_ptr(leaf, del_slot - 1,
- struct btrfs_file_extent_item);
- btrfs_set_file_extent_type(leaf, fi, BTRFS_FILE_EXTENT_REG);
- btrfs_set_file_extent_num_bytes(leaf, fi,
- extent_end - key.offset);
- btrfs_mark_buffer_dirty(leaf);
-
- ret = btrfs_del_items(trans, root, path, del_slot, del_nr);
- BUG_ON(ret);
out:
btrfs_free_path(path);
return 0;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 5440bab..b330e27c 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -3796,6 +3796,12 @@
if (location.type == BTRFS_INODE_ITEM_KEY) {
inode = btrfs_iget(dir->i_sb, &location, root);
+ if (unlikely(root->clean_orphans) &&
+ !(inode->i_sb->s_flags & MS_RDONLY)) {
+ down_read(&root->fs_info->cleanup_work_sem);
+ btrfs_orphan_cleanup(root);
+ up_read(&root->fs_info->cleanup_work_sem);
+ }
return inode;
}
@@ -3995,7 +4001,11 @@
/* Reached end of directory/root. Bump pos past the last item. */
if (key_type == BTRFS_DIR_INDEX_KEY)
- filp->f_pos = INT_LIMIT(off_t);
+ /*
+ * 32-bit glibc will use getdents64, but then strtol -
+ * so the last number we can serve is this.
+ */
+ filp->f_pos = 0x7fffffff;
else
filp->f_pos++;
nopos:
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index b10a49d..5c2a9e7 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -626,6 +626,8 @@
if (ordered)
offset = entry_end(ordered);
+ else
+ offset = ALIGN(offset, BTRFS_I(inode)->root->sectorsize);
mutex_lock(&tree->mutex);
disk_i_size = BTRFS_I(inode)->disk_i_size;
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index a972868..ed3e4a2 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -3281,8 +3281,10 @@
return -ENOMEM;
path = btrfs_alloc_path();
- if (!path)
+ if (!path) {
+ kfree(cluster);
return -ENOMEM;
+ }
rc->extents_found = 0;
rc->extents_skipped = 0;
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 198cff2..220dad5 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -2649,8 +2649,10 @@
em = lookup_extent_mapping(em_tree, logical, *length);
read_unlock(&em_tree->lock);
- if (!em && unplug_page)
+ if (!em && unplug_page) {
+ kfree(multi);
return 0;
+ }
if (!em) {
printk(KERN_CRIT "unable to find logical %llu len %llu\n",
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index fbb6e5e..7cb0a59 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -1748,7 +1748,7 @@
char *cipher_name, size_t *key_size)
{
char dummy_key[ECRYPTFS_MAX_KEY_BYTES];
- char *full_alg_name;
+ char *full_alg_name = NULL;
int rc;
*key_tfm = NULL;
@@ -1763,7 +1763,6 @@
if (rc)
goto out;
*key_tfm = crypto_alloc_blkcipher(full_alg_name, 0, CRYPTO_ALG_ASYNC);
- kfree(full_alg_name);
if (IS_ERR(*key_tfm)) {
rc = PTR_ERR(*key_tfm);
printk(KERN_ERR "Unable to allocate crypto cipher with name "
@@ -1786,6 +1785,7 @@
goto out;
}
out:
+ kfree(full_alg_name);
return rc;
}
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index 9e94405..678172b 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -158,7 +158,7 @@
struct dentry *ecryptfs_dentry = file->f_path.dentry;
/* Private value of ecryptfs_dentry allocated in
* ecryptfs_lookup() */
- struct dentry *lower_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry);
+ struct dentry *lower_dentry;
struct ecryptfs_file_info *file_info;
mount_crypt_stat = &ecryptfs_superblock_to_private(
@@ -191,13 +191,6 @@
| ECRYPTFS_ENCRYPTED);
}
mutex_unlock(&crypt_stat->cs_mutex);
- if ((ecryptfs_inode_to_private(inode)->lower_file->f_flags & O_RDONLY)
- && !(file->f_flags & O_RDONLY)) {
- rc = -EPERM;
- printk(KERN_WARNING "%s: Lower persistent file is RO; eCryptfs "
- "file must hence be opened RO\n", __func__);
- goto out;
- }
if (!ecryptfs_inode_to_private(inode)->lower_file) {
rc = ecryptfs_init_persistent_file(ecryptfs_dentry);
if (rc) {
@@ -208,6 +201,13 @@
goto out;
}
}
+ if ((ecryptfs_inode_to_private(inode)->lower_file->f_flags & O_RDONLY)
+ && !(file->f_flags & O_RDONLY)) {
+ rc = -EPERM;
+ printk(KERN_WARNING "%s: Lower persistent file is RO; eCryptfs "
+ "file must hence be opened RO\n", __func__);
+ goto out;
+ }
ecryptfs_set_file_lower(
file, ecryptfs_inode_to_private(inode)->lower_file);
if (S_ISDIR(ecryptfs_dentry->d_inode->i_mode)) {
@@ -299,7 +299,6 @@
const struct file_operations ecryptfs_dir_fops = {
.readdir = ecryptfs_readdir,
.ioctl = ecryptfs_ioctl,
- .mmap = generic_file_mmap,
.open = ecryptfs_open,
.flush = ecryptfs_flush,
.release = ecryptfs_release,
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 7f85450..4a430ab 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -282,7 +282,8 @@
goto out;
}
rc = ecryptfs_interpose(lower_dentry, ecryptfs_dentry,
- ecryptfs_dir_inode->i_sb, 1);
+ ecryptfs_dir_inode->i_sb,
+ ECRYPTFS_INTERPOSE_FLAG_D_ADD);
if (rc) {
printk(KERN_ERR "%s: Error interposing; rc = [%d]\n",
__func__, rc);
@@ -463,9 +464,6 @@
unlock_dir(lower_dir_dentry);
dput(lower_new_dentry);
dput(lower_old_dentry);
- d_drop(lower_old_dentry);
- d_drop(new_dentry);
- d_drop(old_dentry);
return rc;
}
@@ -614,6 +612,7 @@
struct dentry *lower_new_dentry;
struct dentry *lower_old_dir_dentry;
struct dentry *lower_new_dir_dentry;
+ struct dentry *trap = NULL;
lower_old_dentry = ecryptfs_dentry_to_lower(old_dentry);
lower_new_dentry = ecryptfs_dentry_to_lower(new_dentry);
@@ -621,7 +620,17 @@
dget(lower_new_dentry);
lower_old_dir_dentry = dget_parent(lower_old_dentry);
lower_new_dir_dentry = dget_parent(lower_new_dentry);
- lock_rename(lower_old_dir_dentry, lower_new_dir_dentry);
+ trap = lock_rename(lower_old_dir_dentry, lower_new_dir_dentry);
+ /* source should not be ancestor of target */
+ if (trap == lower_old_dentry) {
+ rc = -EINVAL;
+ goto out_lock;
+ }
+ /* target should not be ancestor of source */
+ if (trap == lower_new_dentry) {
+ rc = -ENOTEMPTY;
+ goto out_lock;
+ }
rc = vfs_rename(lower_old_dir_dentry->d_inode, lower_old_dentry,
lower_new_dir_dentry->d_inode, lower_new_dentry);
if (rc)
@@ -772,18 +781,23 @@
}
/**
- * ecryptfs_truncate
+ * truncate_upper
* @dentry: The ecryptfs layer dentry
- * @new_length: The length to expand the file to
+ * @ia: Address of the ecryptfs inode's attributes
+ * @lower_ia: Address of the lower inode's attributes
*
* Function to handle truncations modifying the size of the file. Note
* that the file sizes are interpolated. When expanding, we are simply
- * writing strings of 0's out. When truncating, we need to modify the
- * underlying file size according to the page index interpolations.
+ * writing strings of 0's out. When truncating, we truncate the upper
+ * inode and update the lower_ia according to the page index
+ * interpolations. If ATTR_SIZE is set in lower_ia->ia_valid upon return,
+ * the caller must use lower_ia in a call to notify_change() to perform
+ * the truncation of the lower inode.
*
* Returns zero on success; non-zero otherwise
*/
-int ecryptfs_truncate(struct dentry *dentry, loff_t new_length)
+static int truncate_upper(struct dentry *dentry, struct iattr *ia,
+ struct iattr *lower_ia)
{
int rc = 0;
struct inode *inode = dentry->d_inode;
@@ -794,8 +808,10 @@
loff_t lower_size_before_truncate;
loff_t lower_size_after_truncate;
- if (unlikely((new_length == i_size)))
+ if (unlikely((ia->ia_size == i_size))) {
+ lower_ia->ia_valid &= ~ATTR_SIZE;
goto out;
+ }
crypt_stat = &ecryptfs_inode_to_private(dentry->d_inode)->crypt_stat;
/* Set up a fake ecryptfs file, this is used to interface with
* the file in the underlying filesystem so that the
@@ -815,28 +831,30 @@
&fake_ecryptfs_file,
ecryptfs_inode_to_private(dentry->d_inode)->lower_file);
/* Switch on growing or shrinking file */
- if (new_length > i_size) {
+ if (ia->ia_size > i_size) {
char zero[] = { 0x00 };
+ lower_ia->ia_valid &= ~ATTR_SIZE;
/* Write a single 0 at the last position of the file;
* this triggers code that will fill in 0's throughout
* the intermediate portion of the previous end of the
* file and the new and of the file */
rc = ecryptfs_write(&fake_ecryptfs_file, zero,
- (new_length - 1), 1);
- } else { /* new_length < i_size_read(inode) */
- /* We're chopping off all the pages down do the page
- * in which new_length is located. Fill in the end of
- * that page from (new_length & ~PAGE_CACHE_MASK) to
+ (ia->ia_size - 1), 1);
+ } else { /* ia->ia_size < i_size_read(inode) */
+ /* We're chopping off all the pages down to the page
+ * in which ia->ia_size is located. Fill in the end of
+ * that page from (ia->ia_size & ~PAGE_CACHE_MASK) to
* PAGE_CACHE_SIZE with zeros. */
size_t num_zeros = (PAGE_CACHE_SIZE
- - (new_length & ~PAGE_CACHE_MASK));
+ - (ia->ia_size & ~PAGE_CACHE_MASK));
if (!(crypt_stat->flags & ECRYPTFS_ENCRYPTED)) {
- rc = vmtruncate(inode, new_length);
+ rc = vmtruncate(inode, ia->ia_size);
if (rc)
goto out_free;
- rc = vmtruncate(lower_dentry->d_inode, new_length);
+ lower_ia->ia_size = ia->ia_size;
+ lower_ia->ia_valid |= ATTR_SIZE;
goto out_free;
}
if (num_zeros) {
@@ -848,7 +866,7 @@
goto out_free;
}
rc = ecryptfs_write(&fake_ecryptfs_file, zeros_virt,
- new_length, num_zeros);
+ ia->ia_size, num_zeros);
kfree(zeros_virt);
if (rc) {
printk(KERN_ERR "Error attempting to zero out "
@@ -857,7 +875,7 @@
goto out_free;
}
}
- vmtruncate(inode, new_length);
+ vmtruncate(inode, ia->ia_size);
rc = ecryptfs_write_inode_size_to_metadata(inode);
if (rc) {
printk(KERN_ERR "Problem with "
@@ -870,10 +888,12 @@
lower_size_before_truncate =
upper_size_to_lower_size(crypt_stat, i_size);
lower_size_after_truncate =
- upper_size_to_lower_size(crypt_stat, new_length);
- if (lower_size_after_truncate < lower_size_before_truncate)
- vmtruncate(lower_dentry->d_inode,
- lower_size_after_truncate);
+ upper_size_to_lower_size(crypt_stat, ia->ia_size);
+ if (lower_size_after_truncate < lower_size_before_truncate) {
+ lower_ia->ia_size = lower_size_after_truncate;
+ lower_ia->ia_valid |= ATTR_SIZE;
+ } else
+ lower_ia->ia_valid &= ~ATTR_SIZE;
}
out_free:
if (ecryptfs_file_to_private(&fake_ecryptfs_file))
@@ -883,6 +903,33 @@
return rc;
}
+/**
+ * ecryptfs_truncate
+ * @dentry: The ecryptfs layer dentry
+ * @new_length: The length to expand the file to
+ *
+ * Simple function that handles the truncation of an eCryptfs inode and
+ * its corresponding lower inode.
+ *
+ * Returns zero on success; non-zero otherwise
+ */
+int ecryptfs_truncate(struct dentry *dentry, loff_t new_length)
+{
+ struct iattr ia = { .ia_valid = ATTR_SIZE, .ia_size = new_length };
+ struct iattr lower_ia = { .ia_valid = 0 };
+ int rc;
+
+ rc = truncate_upper(dentry, &ia, &lower_ia);
+ if (!rc && lower_ia.ia_valid & ATTR_SIZE) {
+ struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);
+
+ mutex_lock(&lower_dentry->d_inode->i_mutex);
+ rc = notify_change(lower_dentry, &lower_ia);
+ mutex_unlock(&lower_dentry->d_inode->i_mutex);
+ }
+ return rc;
+}
+
static int
ecryptfs_permission(struct inode *inode, int mask)
{
@@ -905,6 +952,7 @@
{
int rc = 0;
struct dentry *lower_dentry;
+ struct iattr lower_ia;
struct inode *inode;
struct inode *lower_inode;
struct ecryptfs_crypt_stat *crypt_stat;
@@ -943,15 +991,11 @@
}
}
mutex_unlock(&crypt_stat->cs_mutex);
+ memcpy(&lower_ia, ia, sizeof(lower_ia));
+ if (ia->ia_valid & ATTR_FILE)
+ lower_ia.ia_file = ecryptfs_file_to_lower(ia->ia_file);
if (ia->ia_valid & ATTR_SIZE) {
- ecryptfs_printk(KERN_DEBUG,
- "ia->ia_valid = [0x%x] ATTR_SIZE" " = [0x%x]\n",
- ia->ia_valid, ATTR_SIZE);
- rc = ecryptfs_truncate(dentry, ia->ia_size);
- /* ecryptfs_truncate handles resizing of the lower file */
- ia->ia_valid &= ~ATTR_SIZE;
- ecryptfs_printk(KERN_DEBUG, "ia->ia_valid = [%x]\n",
- ia->ia_valid);
+ rc = truncate_upper(dentry, ia, &lower_ia);
if (rc < 0)
goto out;
}
@@ -960,17 +1004,32 @@
* mode change is for clearing setuid/setgid bits. Allow lower fs
* to interpret this in its own way.
*/
- if (ia->ia_valid & (ATTR_KILL_SUID | ATTR_KILL_SGID))
- ia->ia_valid &= ~ATTR_MODE;
+ if (lower_ia.ia_valid & (ATTR_KILL_SUID | ATTR_KILL_SGID))
+ lower_ia.ia_valid &= ~ATTR_MODE;
mutex_lock(&lower_dentry->d_inode->i_mutex);
- rc = notify_change(lower_dentry, ia);
+ rc = notify_change(lower_dentry, &lower_ia);
mutex_unlock(&lower_dentry->d_inode->i_mutex);
out:
fsstack_copy_attr_all(inode, lower_inode);
return rc;
}
+int ecryptfs_getattr(struct vfsmount *mnt, struct dentry *dentry,
+ struct kstat *stat)
+{
+ struct kstat lower_stat;
+ int rc;
+
+ rc = vfs_getattr(ecryptfs_dentry_to_lower_mnt(dentry),
+ ecryptfs_dentry_to_lower(dentry), &lower_stat);
+ if (!rc) {
+ generic_fillattr(dentry->d_inode, stat);
+ stat->blocks = lower_stat.blocks;
+ }
+ return rc;
+}
+
int
ecryptfs_setxattr(struct dentry *dentry, const char *name, const void *value,
size_t size, int flags)
@@ -1100,6 +1159,7 @@
const struct inode_operations ecryptfs_main_iops = {
.permission = ecryptfs_permission,
.setattr = ecryptfs_setattr,
+ .getattr = ecryptfs_getattr,
.setxattr = ecryptfs_setxattr,
.getxattr = ecryptfs_getxattr,
.listxattr = ecryptfs_listxattr,
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index 567bc4b..ea2f921 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -585,8 +585,8 @@
* with as much information as it can before needing
* the lower filesystem.
* ecryptfs_read_super(): this accesses the lower filesystem and uses
- * ecryptfs_interpolate to perform most of the linking
- * ecryptfs_interpolate(): links the lower filesystem into ecryptfs
+ * ecryptfs_interpose to perform most of the linking
+ * ecryptfs_interpose(): links the lower filesystem into ecryptfs (inode.c)
*/
static int ecryptfs_get_sb(struct file_system_type *fs_type, int flags,
const char *dev_name, void *raw_data,
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 37e6929..d55d905 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -555,10 +555,8 @@
}
rcu_read_unlock();
- if (nr) {
- BUG_ON(nr > atomic_read(&vmap_lazy_nr));
+ if (nr)
atomic_sub(nr, &vmap_lazy_nr);
- }
if (nr || force_flush)
flush_tlb_kernel_range(*start, *end);