blk-mq: add blk_mq_requeue_request

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This allows to requeue a request that has been accepted by ->queue_rq
earlier.  This is needed by the SCSI layer in various error conditions.

The existing internal blk_mq_requeue_request is renamed to
__blk_mq_requeue_request as it is a lower level building block for this
funtionality.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>

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This commit is contained in:

Christoph Hellwig 2014-04-16 09:44:57 +02:00 • committed by Jens Axboe

parent 2f26855656

commit ed0791b2f8

2 changed files with 18 additions and 2 deletions

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18

block/blk-mq.c

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2

include/linux/blk-mq.h

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