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block: make blk_abort_queue() ignore non-request based devices

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There's nothing to do for those devices, since the timeout handling is
based on requests.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe 2009-04-17 08:36:50 +02:00
parent 71982a409f
commit b759113499
1 changed files with 6 additions and 0 deletions
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6
block/blk-timeout.c
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@ -211,6 +211,12 @@ void blk_abort_queue(struct request_queue *q)
struct request *rq, *tmp; struct request *rq, *tmp;
LIST_HEAD(list); LIST_HEAD(list);
/*
* Not a request based block device, nothing to abort
*/
if (!q->request_fn)
return;
spin_lock_irqsave(q->queue_lock, flags); spin_lock_irqsave(q->queue_lock, flags);
elv_abort_queue(q); elv_abort_queue(q);