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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-09-10 16:26:27 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-09-10 16:26:27 +0200 |
| commit | ff3cb3fec3c5bbb5110e652bbdd410bc99a47e9f (patch) | |
| tree | 5b6834a3a4ecd479d544f8cc8cd10811c1ae13e1 /mm | |
| parent | Merge branch 'at91-fixes-for-linus' of git://github.com/at91linux/linux-2.6-at91 (diff) | |
| parent | block: Range check cpu in blk_cpu_to_group (diff) | |
| download | linux-ff3cb3fec3c5bbb5110e652bbdd410bc99a47e9f.tar.xz linux-ff3cb3fec3c5bbb5110e652bbdd410bc99a47e9f.zip | |
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
block: Range check cpu in blk_cpu_to_group
scatterlist: prevent invalid free when alloc fails
writeback: Fix lost wake-up shutting down writeback thread
writeback: do not lose wakeup events when forking bdi threads
cciss: fix reporting of max queue depth since init
block: switch s390 tape_block and mg_disk to elevator_change()
block: add function call to switch the IO scheduler from a driver
fs/bio-integrity.c: return -ENOMEM on kmalloc failure
bio-integrity.c: remove dependency on __GFP_NOFAIL
BLOCK: fix bio.bi_rw handling
block: put dev->kobj in blk_register_queue fail path
cciss: handle allocation failure
cfq-iosched: Documentation help for new tunables
cfq-iosched: blktrace print per slice sector stats
cfq-iosched: Implement tunable group_idle
cfq-iosched: Do group share accounting in IOPS when slice_idle=0
cfq-iosched: Do not idle if slice_idle=0
cciss: disable doorbell reset on reset_devices
blkio: Fix return code for mkdir calls
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/backing-dev.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c index eaa4a5bbe063..c2bf86f470ed 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -445,8 +445,8 @@ static int bdi_forker_thread(void *ptr) switch (action) { case FORK_THREAD: __set_current_state(TASK_RUNNING); - task = kthread_run(bdi_writeback_thread, &bdi->wb, "flush-%s", - dev_name(bdi->dev)); + task = kthread_create(bdi_writeback_thread, &bdi->wb, + "flush-%s", dev_name(bdi->dev)); if (IS_ERR(task)) { /* * If thread creation fails, force writeout of @@ -457,10 +457,13 @@ static int bdi_forker_thread(void *ptr) /* * The spinlock makes sure we do not lose * wake-ups when racing with 'bdi_queue_work()'. + * And as soon as the bdi thread is visible, we + * can start it. */ spin_lock_bh(&bdi->wb_lock); bdi->wb.task = task; spin_unlock_bh(&bdi->wb_lock); + wake_up_process(task); } break; |