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linux/block/blk-mq.c
John Garry 5fe56de799 blk-mq: Put driver tag in blk_mq_dispatch_rq_list() when no budget 
If in blk_mq_dispatch_rq_list() we find no budget, then we break of the
dispatch loop, but the request may keep the driver tag, evaulated
in 'nxt' in the previous loop iteration.

Fix by putting the driver tag for that request.

Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-04-16 09:27:03 -06:00

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