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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-15 20:24:45 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-15 20:24:45 (GMT) |
| commit | b3c9dd182ed3bdcdaf0e42625a35924b0497afdc (patch) | |
| tree | ad48ad4d923fee147c736318d0fad35b3755f4f5 /block/blk-exec.c | |
| parent | 83c2f912b43c3a7babbb6cb7ae2a5276c1ed2a3e (diff) | |
| parent | 5d381efb3d1f1ef10535a31ca0dd9b22fe1e1922 (diff) | |
| download | linux-fsl-qoriq-b3c9dd182ed3bdcdaf0e42625a35924b0497afdc.tar.xz | |
Merge branch 'for-3.3/core' of git://git.kernel.dk/linux-block
* 'for-3.3/core' of git://git.kernel.dk/linux-block: (37 commits)
Revert "block: recursive merge requests"
block: Stop using macro stubs for the bio data integrity calls
blockdev: convert some macros to static inlines
fs: remove unneeded plug in mpage_readpages()
block: Add BLKROTATIONAL ioctl
block: Introduce blk_set_stacking_limits function
block: remove WARN_ON_ONCE() in exit_io_context()
block: an exiting task should be allowed to create io_context
block: ioc_cgroup_changed() needs to be exported
block: recursive merge requests
block, cfq: fix empty queue crash caused by request merge
block, cfq: move icq creation and rq->elv.icq association to block core
block, cfq: restructure io_cq creation path for io_context interface cleanup
block, cfq: move io_cq exit/release to blk-ioc.c
block, cfq: move icq cache management to block core
block, cfq: move io_cq lookup to blk-ioc.c
block, cfq: move cfqd->icq_list to request_queue and add request->elv.icq
block, cfq: reorganize cfq_io_context into generic and cfq specific parts
block: remove elevator_queue->ops
block: reorder elevator switch sequence
...
Fix up conflicts in:
- block/blk-cgroup.c
Switch from can_attach_task to can_attach
- block/cfq-iosched.c
conflict with now removed cic index changes (we now use q->id instead)
Diffstat (limited to 'block/blk-exec.c')
| -rw-r--r-- | block/blk-exec.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/block/blk-exec.c b/block/blk-exec.c index a1ebceb..fb2cbd5 100644 --- a/block/blk-exec.c +++ b/block/blk-exec.c @@ -50,7 +50,11 @@ void blk_execute_rq_nowait(struct request_queue *q, struct gendisk *bd_disk, { int where = at_head ? ELEVATOR_INSERT_FRONT : ELEVATOR_INSERT_BACK; - if (unlikely(test_bit(QUEUE_FLAG_DEAD, &q->queue_flags))) { + WARN_ON(irqs_disabled()); + spin_lock_irq(q->queue_lock); + + if (unlikely(blk_queue_dead(q))) { + spin_unlock_irq(q->queue_lock); rq->errors = -ENXIO; if (rq->end_io) rq->end_io(rq, rq->errors); @@ -59,8 +63,6 @@ void blk_execute_rq_nowait(struct request_queue *q, struct gendisk *bd_disk, rq->rq_disk = bd_disk; rq->end_io = done; - WARN_ON(irqs_disabled()); - spin_lock_irq(q->queue_lock); __elv_add_request(q, rq, where); __blk_run_queue(q); /* the queue is stopped so it won't be run */ |