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block: don't bloat enter_queue with percpu_ref

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percpu_ref_put() are inlined for performance and bloat the binary, we
don't care about the fail case of blk_try_enter_queue(), so we can
replace it with a call to blk_queue_exit().

Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2021-10-19 22:24:13 +01:00 committed by Jens Axboe
parent 478eb72b81
commit 1497a51a32
1 changed files with 1 additions and 1 deletions
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2
block/blk-core.c
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@ -404,7 +404,7 @@ static bool blk_try_enter_queue(struct request_queue *q, bool pm)
return true;
fail_put:
percpu_ref_put(&q->q_usage_counter);
blk_queue_exit(q);
fail:
rcu_read_unlock();
return false;