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(parent: 3e8a706) | patch
block: do not put mq context in blk_mq_alloc_request_hctx
authorMinchan Kim <minchan@kernel.org>
Thu, 30 Mar 2017 05:20:45 +0000 (14:20 +0900)
committerJens Axboe <axboe@fb.com>
Thu, 30 Mar 2017 14:13:05 +0000 (08:13 -0600)
commit3e06eb3dacdff52749df85694cf6bc48283973c6
treebc38f716ed89e087343088cd7eae45ccfef41d81tree | snapshot
parent3e8a7069b9ded55d408e3272213a95f07036dfa5commit | diff
block: do not put mq context in blk_mq_alloc_request_hctx

In blk_mq_alloc_request_hctx, blk_mq_sched_get_request doesn't
get sw context so we don't need to put the context with
blk_mq_put_ctx. Unless, we will see preempt counter underflow.

Cc: Omar Sandoval <osandov@fb.com>
Signed-off-by: Minchan Kim <minchan@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
block/blk-mq.c diff | blob | history
John Crispins staging tree