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(parent: 41adf53) | patch
blk-mq: don't use plug->mq_list->q directly in blk_mq_run_dispatch_ops()
authorMing Lei <ming.lei@redhat.com>
Mon, 6 Dec 2021 03:33:50 +0000 (11:33 +0800)
committerJens Axboe <axboe@kernel.dk>
Mon, 6 Dec 2021 16:41:40 +0000 (09:41 -0700)
commit73f3760eddc9bc32c207fff06537f98f94bef451
tree950ca905ee857f17114ad89a63c9787eb9d5c2cbtree | snapshot
parent41adf531e390e7969f00a560b8971cbf42f5a6dacommit | diff
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>
block/blk-mq.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)