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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-08 13:10:57 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-08 13:10:57 -0800
commiteb59c505f8a5906ad2e053d14fab50eb8574fd6f (patch)
treec6e875adc12b481b916e847e8f80b8881a0fb02c /fs
parent1619ed8f60959829d070d8f39cd2f8ca0e7135ce (diff)
parentc233523b3d392e530033a7587d7970dc62a02361 (diff)
Merge branch 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
* 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (76 commits) PM / Hibernate: Implement compat_ioctl for /dev/snapshot PM / Freezer: fix return value of freezable_schedule_timeout_killable() PM / shmobile: Allow the A4R domain to be turned off at run time PM / input / touchscreen: Make st1232 use device PM QoS constraints PM / QoS: Introduce dev_pm_qos_add_ancestor_request() PM / shmobile: Remove the stay_on flag from SH7372's PM domains PM / shmobile: Don't include SH7372's INTCS in syscore suspend/resume PM / shmobile: Add support for the sh7372 A4S power domain / sleep mode PM: Drop generic_subsys_pm_ops PM / Sleep: Remove forward-only callbacks from AMBA bus type PM / Sleep: Remove forward-only callbacks from platform bus type PM: Run the driver callback directly if the subsystem one is not there PM / Sleep: Make pm_op() and pm_noirq_op() return callback pointers PM/Devfreq: Add Exynos4-bus device DVFS driver for Exynos4210/4212/4412. PM / Sleep: Merge internal functions in generic_ops.c PM / Sleep: Simplify generic system suspend callbacks PM / Hibernate: Remove deprecated hibernation snapshot ioctls PM / Sleep: Fix freezer failures due to racy usermodehelper_is_disabled() ARM: S3C64XX: Implement basic power domain support PM / shmobile: Use common always on power domain governor ... Fix up trivial conflict in fs/xfs/xfs_buf.c due to removal of unused XBT_FORCE_SLEEP bit
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/async-thread.c2
-rw-r--r--fs/btrfs/disk-io.c8
-rw-r--r--fs/ext4/super.c3
-rw-r--r--fs/fs-writeback.c4
-rw-r--r--fs/gfs2/log.c4
-rw-r--r--fs/gfs2/quota.c4
-rw-r--r--fs/jbd/journal.c2
-rw-r--r--fs/jbd2/journal.c2
-rw-r--r--fs/jfs/jfs_logmgr.c2
-rw-r--r--fs/jfs/jfs_txnmgr.c4
-rw-r--r--fs/nfs/inode.c3
-rw-r--r--fs/nfs/nfs3proc.c3
-rw-r--r--fs/nfs/nfs4proc.c5
-rw-r--r--fs/nfs/proc.c3
-rw-r--r--fs/nilfs2/segment.c2
-rw-r--r--fs/xfs/xfs_buf.c2
16 files changed, 25 insertions, 28 deletions
diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c
index 0b394580d86..0cc20b35c1c 100644
--- a/fs/btrfs/async-thread.c
+++ b/fs/btrfs/async-thread.c
@@ -334,7 +334,7 @@ again:
if (freezing(current)) {
worker->working = 0;
spin_unlock_irq(&worker->lock);
- refrigerator();
+ try_to_freeze();
} else {
spin_unlock_irq(&worker->lock);
if (!kthread_should_stop()) {
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index f44b3928dc2..f99a099a774 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1579,9 +1579,7 @@ static int cleaner_kthread(void *arg)
btrfs_run_defrag_inodes(root->fs_info);
}
- if (freezing(current)) {
- refrigerator();
- } else {
+ if (!try_to_freeze()) {
set_current_state(TASK_INTERRUPTIBLE);
if (!kthread_should_stop())
schedule();
@@ -1635,9 +1633,7 @@ sleep:
wake_up_process(root->fs_info->cleaner_kthread);
mutex_unlock(&root->fs_info->transaction_kthread_mutex);
- if (freezing(current)) {
- refrigerator();
- } else {
+ if (!try_to_freeze()) {
set_current_state(TASK_INTERRUPTIBLE);
if (!kthread_should_stop() &&
!btrfs_transaction_blocked(root->fs_info))
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 6733b3736b3..64e2529ae9b 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2882,8 +2882,7 @@ cont_thread:
}
mutex_unlock(&eli->li_list_mtx);
- if (freezing(current))
- refrigerator();
+ try_to_freeze();
cur = jiffies;
if ((time_after_eq(cur, next_wakeup)) ||
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 80a4574028f..e2951506434 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -936,7 +936,7 @@ int bdi_writeback_thread(void *data)
trace_writeback_thread_start(bdi);
- while (!kthread_should_stop()) {
+ while (!kthread_freezable_should_stop(NULL)) {
/*
* Remove own delayed wake-up timer, since we are already awake
* and we'll take care of the preriodic write-back.
@@ -966,8 +966,6 @@ int bdi_writeback_thread(void *data)
*/
schedule();
}
-
- try_to_freeze();
}
/* Flush any work that raced with us exiting */
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 2731e657cf7..756fae9eaf8 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -951,8 +951,8 @@ int gfs2_logd(void *data)
wake_up(&sdp->sd_log_waitq);
t = gfs2_tune_get(sdp, gt_logd_secs) * HZ;
- if (freezing(current))
- refrigerator();
+
+ try_to_freeze();
do {
prepare_to_wait(&sdp->sd_logd_waitq, &wait,
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index 98a01db1f6d..a45b21b0391 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -1417,8 +1417,8 @@ int gfs2_quotad(void *data)
/* Check for & recover partially truncated inodes */
quotad_check_trunc_list(sdp);
- if (freezing(current))
- refrigerator();
+ try_to_freeze();
+
t = min(quotad_timeo, statfs_timeo);
prepare_to_wait(&sdp->sd_quota_wait, &wait, TASK_INTERRUPTIBLE);
diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index fea8dd661d2..a96cff0c5f1 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -166,7 +166,7 @@ loop:
*/
jbd_debug(1, "Now suspending kjournald\n");
spin_unlock(&journal->j_state_lock);
- refrigerator();
+ try_to_freeze();
spin_lock(&journal->j_state_lock);
} else {
/*
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 0fa0123151d..c0a5f9f1b12 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -173,7 +173,7 @@ loop:
*/
jbd_debug(1, "Now suspending kjournald2\n");
write_unlock(&journal->j_state_lock);
- refrigerator();
+ try_to_freeze();
write_lock(&journal->j_state_lock);
} else {
/*
diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c
index cc5f811ed38..2eb952c41a6 100644
--- a/fs/jfs/jfs_logmgr.c
+++ b/fs/jfs/jfs_logmgr.c
@@ -2349,7 +2349,7 @@ int jfsIOWait(void *arg)
if (freezing(current)) {
spin_unlock_irq(&log_redrive_lock);
- refrigerator();
+ try_to_freeze();
} else {
set_current_state(TASK_INTERRUPTIBLE);
spin_unlock_irq(&log_redrive_lock);
diff --git a/fs/jfs/jfs_txnmgr.c b/fs/jfs/jfs_txnmgr.c
index af9606057dd..bb8b661bcc5 100644
--- a/fs/jfs/jfs_txnmgr.c
+++ b/fs/jfs/jfs_txnmgr.c
@@ -2800,7 +2800,7 @@ int jfs_lazycommit(void *arg)
if (freezing(current)) {
LAZY_UNLOCK(flags);
- refrigerator();
+ try_to_freeze();
} else {
DECLARE_WAITQUEUE(wq, current);
@@ -2994,7 +2994,7 @@ int jfs_sync(void *arg)
if (freezing(current)) {
TXN_UNLOCK();
- refrigerator();
+ try_to_freeze();
} else {
set_current_state(TASK_INTERRUPTIBLE);
TXN_UNLOCK();
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 6f00086e340..81db25e92e1 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -38,6 +38,7 @@
#include <linux/nfs_xdr.h>
#include <linux/slab.h>
#include <linux/compat.h>
+#include <linux/freezer.h>
#include <asm/system.h>
#include <asm/uaccess.h>
@@ -77,7 +78,7 @@ int nfs_wait_bit_killable(void *word)
{
if (fatal_signal_pending(current))
return -ERESTARTSYS;
- schedule();
+ freezable_schedule();
return 0;
}
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index d4bc9ed9174..91943953a37 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -17,6 +17,7 @@
#include <linux/nfs_page.h>
#include <linux/lockd/bind.h>
#include <linux/nfs_mount.h>
+#include <linux/freezer.h>
#include "iostat.h"
#include "internal.h"
@@ -32,7 +33,7 @@ nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags)
res = rpc_call_sync(clnt, msg, flags);
if (res != -EJUKEBOX && res != -EKEYEXPIRED)
break;
- schedule_timeout_killable(NFS_JUKEBOX_RETRY_TIME);
+ freezable_schedule_timeout_killable(NFS_JUKEBOX_RETRY_TIME);
res = -ERESTARTSYS;
} while (!fatal_signal_pending(current));
return res;
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index d9f4d78c341..dcda0ba7af6 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -55,6 +55,7 @@
#include <linux/sunrpc/bc_xprt.h>
#include <linux/xattr.h>
#include <linux/utsname.h>
+#include <linux/freezer.h>
#include "nfs4_fs.h"
#include "delegation.h"
@@ -243,7 +244,7 @@ static int nfs4_delay(struct rpc_clnt *clnt, long *timeout)
*timeout = NFS4_POLL_RETRY_MIN;
if (*timeout > NFS4_POLL_RETRY_MAX)
*timeout = NFS4_POLL_RETRY_MAX;
- schedule_timeout_killable(*timeout);
+ freezable_schedule_timeout_killable(*timeout);
if (fatal_signal_pending(current))
res = -ERESTARTSYS;
*timeout <<= 1;
@@ -3958,7 +3959,7 @@ int nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, const nfs4
static unsigned long
nfs4_set_lock_task_retry(unsigned long timeout)
{
- schedule_timeout_killable(timeout);
+ freezable_schedule_timeout_killable(timeout);
timeout <<= 1;
if (timeout > NFS4_LOCK_MAXTIMEOUT)
return NFS4_LOCK_MAXTIMEOUT;
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index f48125da198..0c672588fe5 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -41,6 +41,7 @@
#include <linux/nfs_fs.h>
#include <linux/nfs_page.h>
#include <linux/lockd/bind.h>
+#include <linux/freezer.h>
#include "internal.h"
#define NFSDBG_FACILITY NFSDBG_PROC
@@ -59,7 +60,7 @@ nfs_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags)
res = rpc_call_sync(clnt, msg, flags);
if (res != -EKEYEXPIRED)
break;
- schedule_timeout_killable(NFS_JUKEBOX_RETRY_TIME);
+ freezable_schedule_timeout_killable(NFS_JUKEBOX_RETRY_TIME);
res = -ERESTARTSYS;
} while (!fatal_signal_pending(current));
return res;
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index bb24ab6c282..0e72ad6f22a 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -2470,7 +2470,7 @@ static int nilfs_segctor_thread(void *arg)
if (freezing(current)) {
spin_unlock(&sci->sc_state_lock);
- refrigerator();
+ try_to_freeze();
spin_lock(&sci->sc_state_lock);
} else {
DEFINE_WAIT(wait);
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 2277bcae395..ce6249dae90 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -1702,7 +1702,7 @@ xfsbufd(
struct blk_plug plug;
if (unlikely(freezing(current)))
- refrigerator();
+ try_to_freeze();
/* sleep for a long time if there is nothing to do. */
if (list_empty(&target->bt_delwri_queue))