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block: fix issue with calling blk_stop_queue() from the request_fn handler 

When the queue work handler was converted to delayed work, the
stopping was inadvertently made sync as well. Change this back
to being async stop, using __cancel_delayed_work() instead of
cancel_delayed_work().

Reported-by: Jeremy Fitzhardinge <jeremy@goop.org>
Reported-by: Chris Mason <chris.mason@oracle.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
This commit is contained in:
Jens Axboe 2011-03-25 16:58:59 +01:00
parent 401a18e92c
commit ad3d9d7ede
1 changed files with 1 additions and 1 deletions
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2
block/blk-core.c
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@ -271,7 +271,7 @@ EXPORT_SYMBOL(blk_start_queue);
**/ **/
void blk_stop_queue(struct request_queue *q) void blk_stop_queue(struct request_queue *q)
{ {
cancel_delayed_work(&q->delay_work); __cancel_delayed_work(&q->delay_work);
queue_flag_set(QUEUE_FLAG_STOPPED, q); queue_flag_set(QUEUE_FLAG_STOPPED, q);
} }
EXPORT_SYMBOL(blk_stop_queue); EXPORT_SYMBOL(blk_stop_queue);