linux-kernel - [PATCH v6 0/3] Handle update hardware queues and queue freeze more carefully

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Date:   Mon, 23 Aug 2021 13:23:48 +0200
From:   Daniel Wagner <dwagner@...e.de>
To:     linux-nvme@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org,
        James Smart <james.smart@...adcom.com>,
        Keith Busch <kbusch@...nel.org>,
        Ming Lei <ming.lei@...hat.com>,
        Sagi Grimberg <sagi@...mberg.me>,
        Hannes Reinecke <hare@...e.de>,
        Wen Xiong <wenxiong@...ibm.com>,
        Himanshu Madhani <himanshu.madhani@...cle.com>,
        Daniel Wagner <dwagner@...e.de>
Subject: [PATCH v6 0/3]  Handle update hardware queues and queue freeze more carefully

Hi,

After our last discussion in v5, the nvme_freeze_start() is gone
(James provided a new patch). I also updated the commit message of the
first patch which adds the imported bit why we need to update the
number queues first.

Anyway, I think we figured out the details in this path and I am quiet
confident that we nailed it now (yeah, famous last words).

Daniel

v1:
 - https://lore.kernel.org/linux-nvme/20210625101649.49296-1-dwagner@suse.de/
v2:
 - https://lore.kernel.org/linux-nvme/20210708092755.15660-1-dwagner@suse.de/
 - reviewed tags collected
 - added 'update hardware queues' for all transport
 - added fix for fc hanger in nvme_wait_freeze_timeout
v3:
 - https://lore.kernel.org/linux-nvme/20210720124353.127959-1-dwagner@suse.de/
 - dropped 'nvme-fc: Freeze queues before destroying them'
 - added James' two patches
v4:
 - https://lore.kernel.org/linux-nvme/20210802112658.75875-1-dwagner@suse.de/
 - added 'nvme-*: Unfreeze queues on reconnect'
 - added Hannes' reviewed tags
v5:
 - https://lore.kernel.org/linux-nvme/20210818120530.130501-1-dwagner@suse.de/
 - dropped non nvme-fc patches
 - updated 'nvme-fc: fix controller reset hang during traffic'
v6:
 - updated commit message 'nvme-fc: Update hardware queues before using them'
 - dropped 'nvme-fc: fix controller reset hang during traffic'
 - added 'nvme-fc: Remove freeze/unfreeze around update_nr_hw_queues'

Daniel Wagner (1):
  nvme-fc: Update hardware queues before using them

James Smart (2):
  nvme-fc: avoid race between time out and tear down
  nvme-fc: Remove freeze/unfreeze around update_nr_hw_queues

 drivers/nvme/host/fc.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

-- 
2.29.2