block: do not put mq context in blk_mq_alloc_request_hctx

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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>

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Minchan Kim 2017-03-30 14:20:45 +09:00 • committed by Jens Axboe

parent 3e8a7069b9

commit 3e06eb3dac

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block/blk-mq.c

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