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(parent: 89970a0) | 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 14:13:23 +0000 (08:13 -0600)
commitac77a0c463c1d7d659861f7b6d1261970dd3282a
treec9009d64ed977ea79e70d6cc0014e08af47c6283tree | snapshot
parent89970a04d70c6c9e5e4492fd4096c0b5630a478ccommit | 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
Linux kernel for KaRo TX COM modules