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authorLinus Torvalds <torvalds@linux-foundation.org>2011-05-18 06:49:02 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-18 06:49:02 -0700
commita2b9c1f6208126e6df6c02428c501f8853685812 (patch)
treee36762d385bb490914a72485c4da4431e4b937d3 /block/blk-core.c
parent2e9521fd656f05a716b5294a7dbebd37ced05e43 (diff)
parent3ec717b7ca4ee1d75d77e4f6286430d8f01d1dbd (diff)
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blocklatest
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: block: don't delay blk_run_queue_async scsi: remove performance regression due to async queue run blk-throttle: Use task_subsys_state() to determine a task's blkio_cgroup block: rescan partitions on invalidated devices on -ENOMEDIA too cdrom: always check_disk_change() on open block: unexport DISK_EVENT_MEDIA_CHANGE for legacy/fringe drivers
Diffstat (limited to 'block/blk-core.c')
-rw-r--r--block/blk-core.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index a2e58eeb3549..3fe00a14822a 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -316,8 +316,10 @@ EXPORT_SYMBOL(__blk_run_queue);
*/
void blk_run_queue_async(struct request_queue *q)
{
- if (likely(!blk_queue_stopped(q)))
+ if (likely(!blk_queue_stopped(q))) {
+ __cancel_delayed_work(&q->delay_work);
queue_delayed_work(kblockd_workqueue, &q->delay_work, 0);
+ }
}
EXPORT_SYMBOL(blk_run_queue_async);