Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog
* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog:
[PATCH] IPMI: return correct value from ipmi_write
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index 3ff8b14..9330b79 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -29,14 +29,16 @@
enum {
ATA_ACPI_FILTER_SETXFER = 1 << 0,
ATA_ACPI_FILTER_LOCK = 1 << 1,
+ ATA_ACPI_FILTER_DIPM = 1 << 2,
ATA_ACPI_FILTER_DEFAULT = ATA_ACPI_FILTER_SETXFER |
- ATA_ACPI_FILTER_LOCK,
+ ATA_ACPI_FILTER_LOCK |
+ ATA_ACPI_FILTER_DIPM,
};
static unsigned int ata_acpi_gtf_filter = ATA_ACPI_FILTER_DEFAULT;
module_param_named(acpi_gtf_filter, ata_acpi_gtf_filter, int, 0644);
-MODULE_PARM_DESC(acpi_gtf_filter, "filter mask for ACPI _GTF commands, set to filter out (0x1=set xfermode, 0x2=lock/freeze lock)");
+MODULE_PARM_DESC(acpi_gtf_filter, "filter mask for ACPI _GTF commands, set to filter out (0x1=set xfermode, 0x2=lock/freeze lock, 0x4=DIPM)");
#define NO_PORT_MULT 0xffff
#define SATA_ADR(root, pmp) (((root) << 16) | (pmp))
@@ -195,6 +197,10 @@
/* This device does not support hotplug */
return;
+ if (event == ACPI_NOTIFY_BUS_CHECK ||
+ event == ACPI_NOTIFY_DEVICE_CHECK)
+ status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
+
spin_lock_irqsave(ap->lock, flags);
switch (event) {
@@ -202,7 +208,6 @@
case ACPI_NOTIFY_DEVICE_CHECK:
ata_ehi_push_desc(ehi, "ACPI event");
- status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
if (ACPI_FAILURE(status)) {
ata_port_printk(ap, KERN_ERR,
"acpi: failed to determine bay status (0x%x)\n",
@@ -690,6 +695,14 @@
return 1;
}
+ if (ata_acpi_gtf_filter & ATA_ACPI_FILTER_DIPM) {
+ /* inhibit enabling DIPM */
+ if (tf->command == ATA_CMD_SET_FEATURES &&
+ tf->feature == SETFEATURES_SATA_ENABLE &&
+ tf->nsect == SATA_DIPM)
+ return 1;
+ }
+
return 0;
}
diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c
index e82c66e..26345d7 100644
--- a/drivers/ata/pata_sis.c
+++ b/drivers/ata/pata_sis.c
@@ -56,6 +56,7 @@
{ 0x5513, 0x1043, 0x1107 }, /* ASUS A6K */
{ 0x5513, 0x1734, 0x105F }, /* FSC Amilo A1630 */
{ 0x5513, 0x1071, 0x8640 }, /* EasyNote K5305 */
+ { 0x5513, 0x1039, 0x5513 }, /* Targa Visionary 1000 */
/* end marker */
{ 0, }
};
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index afaee30..ad3d26d 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -2427,13 +2427,20 @@
if (iclog->ic_size - iclog->ic_offset < 2*sizeof(xlog_op_header_t)) {
xlog_state_switch_iclogs(log, iclog, iclog->ic_size);
- /* If I'm the only one writing to this iclog, sync it to disk */
- if (atomic_read(&iclog->ic_refcnt) == 1) {
+ /*
+ * If I'm the only one writing to this iclog, sync it to disk.
+ * We need to do an atomic compare and decrement here to avoid
+ * racing with concurrent atomic_dec_and_lock() calls in
+ * xlog_state_release_iclog() when there is more than one
+ * reference to the iclog.
+ */
+ if (!atomic_add_unless(&iclog->ic_refcnt, -1, 1)) {
+ /* we are the only one */
spin_unlock(&log->l_icloglock);
- if ((error = xlog_state_release_iclog(log, iclog)))
+ error = xlog_state_release_iclog(log, iclog);
+ if (error)
return error;
} else {
- atomic_dec(&iclog->ic_refcnt);
spin_unlock(&log->l_icloglock);
}
goto restart;