On Wed, Dec 28, 2022 at 03:40:41PM +0100, Greg Kroah-Hartman wrote: > From: Christoph Hellwig <hch@xxxxxx> > > [ Upstream commit 80bd4a7aab4c9ce59bf5e35fdf52aa23d8a3c9f5 ] > > All I/O submissions have fairly similar latencies, and a tagset-wide > quiesce is a fairly common operation. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > Reviewed-by: Keith Busch <kbusch@xxxxxxxxxx> > Reviewed-by: Ming Lei <ming.lei@xxxxxxxxxx> > Reviewed-by: Chao Leng <lengchao@xxxxxxxxxx> > Reviewed-by: Sagi Grimberg <sagi@xxxxxxxxxxx> > Reviewed-by: Hannes Reinecke <hare@xxxxxxx> > Reviewed-by: Chaitanya Kulkarni <kch@xxxxxxxxxx> > Link: https://lore.kernel.org/r/20221101150050.3510-12-hch@xxxxxx > [axboe: fix whitespace] > Signed-off-by: Jens Axboe <axboe@xxxxxxxxx> > Stable-dep-of: d36a9ea5e776 ("block: fix use-after-free of q->q_usage_counter") > Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> commit 8537380bb988 ("blk-mq: skip non-mq queues in blk_mq_quiesce_queue") is required for backporting this patch, otherwise kernel panic can be triggered. Thanks, Ming