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(parent: dfbd58c) | patch
blk-mq: avoid re-initialize request which is failed in direct dispatch
authorShaohua Li <shli@fb.com>
Fri, 8 May 2015 17:51:31 +0000 (10:51 -0700)
committerJens Axboe <axboe@fb.com>
Fri, 8 May 2015 20:17:19 +0000 (14:17 -0600)
commit47b7b7a587ee14927538fda6023fa00db5f484ad
treed1525efb74bed517f68017891a0f2ed6bae60beatree | snapshot
parentdfbd58cbaf691c08ac6e6505ea42754fd2f3c386commit | diff
blk-mq: avoid re-initialize request which is failed in direct dispatch

If we directly issue a request and it fails, we use
blk_mq_merge_queue_io(). But we already assigned bio to a request in
blk_mq_bio_to_request. blk_mq_merge_queue_io shouldn't run
blk_mq_bio_to_request again.

Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
block/blk-mq.c diff | blob | history
Linux Kernel Source Tree.