]> git.baikalelectronics.ru Git - kernel.git/commit
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)
commitfd5c1a3175795ca0a22f0a529102b516b14972ff
treebc38f716ed89e087343088cd7eae45ccfef41d81
parentd6f23f4859da8dc6587d6f951c997d02080e34ac
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