tree d5c2871f88972a6f2a893a4add72818d9ea9110c
parent bcc330f42f442a98d61f153d16c0b6487461ee81
author Ming Lei <ming.lei@redhat.com> 1638537334 +0800
committer Jens Axboe <axboe@kernel.dk> 1638568289 -0700

blk-mq: run dispatch lock once in case of issuing from list

It isn't necessary to call blk_mq_run_dispatch_ops() once for issuing
single request directly, and enough to do it one time when issuing from
whole list.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20211203131534.3668411-5-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>