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blk-merge: kill dead queue lock held check

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This is dead code, any queue reaching this part has mq_ops
attached.

Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2018-10-20 15:43:37 -06:00
parent 2081a56bfa
commit 8b98a97f80
1 changed files with 0 additions and 3 deletions
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3
block/blk-merge.c
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@ -729,9 +729,6 @@ enum elv_merge blk_try_req_merge(struct request *req, struct request *next)
static struct request *attempt_merge(struct request_queue *q,
struct request *req, struct request *next)
{
if (!q->mq_ops)
lockdep_assert_held(q->queue_lock);
if (!rq_mergeable(req) || !rq_mergeable(next))
return NULL;