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| author | John W. Linville <linville@tuxdriver.com> | 2010-07-27 11:59:19 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-07-27 11:59:19 -0400 |
| commit | 800f65bba8d2030b3fef62850e203f9f176625a8 (patch) | |
| tree | 6507c4fe7a0826c253b4afb29375ab306a0fd9c8 /mm/backing-dev.c | |
| parent | 06b3cda0c12986f5bba578b918b188d731c4e191 (diff) | |
| parent | b3190df628617c7a4f188a9465aeabe1f5761933 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluetooth-next-2.6
Conflicts:
drivers/net/wireless/iwlwifi/iwl-commands.h
Diffstat (limited to 'mm/backing-dev.c')
| -rw-r--r-- | mm/backing-dev.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c index 707d0dc6da0f..660a87a22511 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -48,7 +48,6 @@ static struct timer_list sync_supers_timer; static int bdi_sync_supers(void *); static void sync_supers_timer_fn(unsigned long); -static void arm_supers_timer(void); static void bdi_add_default_flusher_task(struct backing_dev_info *bdi); @@ -252,7 +251,7 @@ static int __init default_bdi_init(void) init_timer(&sync_supers_timer); setup_timer(&sync_supers_timer, sync_supers_timer_fn, 0); - arm_supers_timer(); + bdi_arm_supers_timer(); err = bdi_init(&default_backing_dev_info); if (!err) @@ -374,10 +373,13 @@ static int bdi_sync_supers(void *unused) return 0; } -static void arm_supers_timer(void) +void bdi_arm_supers_timer(void) { unsigned long next; + if (!dirty_writeback_interval) + return; + next = msecs_to_jiffies(dirty_writeback_interval * 10) + jiffies; mod_timer(&sync_supers_timer, round_jiffies_up(next)); } @@ -385,7 +387,7 @@ static void arm_supers_timer(void) static void sync_supers_timer_fn(unsigned long unused) { wake_up_process(sync_supers_tsk); - arm_supers_timer(); + bdi_arm_supers_timer(); } static int bdi_forker_task(void *ptr) @@ -428,7 +430,10 @@ static int bdi_forker_task(void *ptr) spin_unlock_bh(&bdi_lock); wait = msecs_to_jiffies(dirty_writeback_interval * 10); - schedule_timeout(wait); + if (wait) + schedule_timeout(wait); + else + schedule(); try_to_freeze(); continue; } |