This is a note to let you know that I've just added the patch titled blk-mq: remove stale comment for blk_mq_sched_mark_restart_hctx to the 4.19-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: blk-mq-remove-stale-comment-for-blk_mq_sched_mark_re.patch and it can be found in the queue-4.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 5802bb27407c1635720f1794599911c97b7bf043 Author: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx> Date: Wed Jan 18 17:37:14 2023 +0800 blk-mq: remove stale comment for blk_mq_sched_mark_restart_hctx [ Upstream commit c31e76bcc379182fe67a82c618493b7b8868c672 ] Commit 97889f9ac24f8 ("blk-mq: remove synchronize_rcu() from blk_mq_del_queue_tag_set()") remove handle of TAG_SHARED in restart, then shared_hctx_restart counted for how many hardware queues are marked for restart is removed too. Remove the stale comment that we still count hardware queues need restart. Fixes: 97889f9ac24f ("blk-mq: remove synchronize_rcu() from blk_mq_del_queue_tag_set()") Reviewed-by: Christoph Hellwig <hch@xxxxxx> Signed-off-by: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx> Signed-off-by: Jens Axboe <axboe@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c index d89a757cbde0f..dfa0a21a1fe46 100644 --- a/block/blk-mq-sched.c +++ b/block/blk-mq-sched.c @@ -51,8 +51,7 @@ void blk_mq_sched_assign_ioc(struct request *rq, struct bio *bio) } /* - * Mark a hardware queue as needing a restart. For shared queues, maintain - * a count of how many hardware queues are marked for restart. + * Mark a hardware queue as needing a restart. */ void blk_mq_sched_mark_restart_hctx(struct blk_mq_hw_ctx *hctx) {