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From: Ming Lei <ming.lei@redhat.com>
To: Jens Axboe <axboe@kernel.dk>,
	linux-block@vger.kernel.org, linux-nvme@lists.infradead.org,
	Christoph Hellwig <hch@lst.de>, Keith Busch <kbusch@kernel.org>
Cc: Yi Zhang <yi.zhang@redhat.com>, Sagi Grimberg <sagi@grimberg.me>,
	Chao Leng <lengchao@huawei.com>, Ming Lei <ming.lei@redhat.com>
Subject: [PATCH V2 0/4] blk-mq/nvme-tcp: fix timed out related races
Date: Tue, 20 Oct 2020 16:52:57 +0800	[thread overview]
Message-ID: <20201020085301.1553959-1-ming.lei@redhat.com> (raw)

Hi,

The 1st 2 patches fixes request completion related races.

The 2nd 3 patches fixes/improves nvme-tcp error recovery.

With the 4 patches, nvme/012 can pass on nvme-tcp in Zhang Yi's test
machine.

V2:
	- re-order patch3 and patch4
	- fix comment
	- improve patch "nvme: tcp: fix race between timeout and normal completion"


Ming Lei (4):
  blk-mq: check rq->state explicitly in
    blk_mq_tagset_count_completed_rqs
  blk-mq: fix blk_mq_request_completed
  nvme: tcp: complete non-IO requests atomically
  nvme: tcp: fix race between timeout and normal completion

 block/blk-flush.c       |  2 +
 block/blk-mq-tag.c      |  2 +-
 drivers/nvme/host/tcp.c | 98 ++++++++++++++++++++++++++++++++---------
 include/linux/blk-mq.h  |  8 +++-
 4 files changed, 86 insertions(+), 24 deletions(-)

CC: Chao Leng <lengchao@huawei.com>
Cc: Sagi Grimberg <sagi@grimberg.me>
Cc: Yi Zhang <yi.zhang@redhat.com>
-- 
2.25.2


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             reply	other threads:[~2020-10-20  8:53 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-20  8:52 Ming Lei [this message]
2020-10-20  8:52 ` [PATCH V2 1/4] blk-mq: check rq->state explicitly in blk_mq_tagset_count_completed_rqs Ming Lei
2020-10-20  8:52 ` [PATCH V2 2/4] blk-mq: fix blk_mq_request_completed Ming Lei
2020-10-20  8:53 ` [PATCH V2 3/4] nvme: tcp: complete non-IO requests atomically Ming Lei
2020-10-20  9:04   ` Chao Leng
2020-10-21  1:22     ` Ming Lei
2020-10-21  2:20       ` Chao Leng
2020-10-21  2:55         ` Ming Lei
2020-10-21  3:14           ` Chao Leng
2020-10-20  8:53 ` [PATCH V2 4/4] nvme: tcp: fix race between timeout and normal completion Ming Lei

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