tree 950ca905ee857f17114ad89a63c9787eb9d5c2cb
parent 41adf531e390e7969f00a560b8971cbf42f5a6da
author Ming Lei <ming.lei@redhat.com> 1638761630 +0800
committer Jens Axboe <axboe@kernel.dk> 1638808900 -0700

blk-mq: don't use plug->mq_list->q directly in blk_mq_run_dispatch_ops()

blk_mq_run_dispatch_ops() is defined as one macro, and plug->mq_list
will be changed when running 'dispatch_ops', so add one local variable
for holding request queue.

Reported-and-tested-by: Yi Zhang <yi.zhang@redhat.com>
Fixes: 4cafe86c9267 ("blk-mq: run dispatch lock once in case of issuing from list")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>