[PATCH V2 0/4] blk-mq/nvme-tcp: fix timed out related races

[Ming Lei]

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 at huawei.com>
Cc: Sagi Grimberg <sagi at grimberg.me>
Cc: Yi Zhang <yi.zhang at redhat.com>
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2.25.2