[PATCH AUTOSEL 5.8 11/42] nvme: skip noiob for zoned devices

Sasha Levin sashal at kernel.org
Sat Sep 5 08:03:10 EDT 2020


On Mon, Aug 31, 2020 at 09:38:18AM -0600, Keith Busch wrote:
>On Mon, Aug 31, 2020 at 11:29:03AM -0400, Sasha Levin wrote:
>> From: Keith Busch <kbusch at kernel.org>
>>
>> [ Upstream commit c41ad98bebb8f4f0335b3c50dbb7583a6149dce4 ]
>>
>> Zoned block devices reuse the chunk_sectors queue limit to define zone
>> boundaries. If a such a device happens to also report an optimal
>> boundary, do not use that to define the chunk_sectors as that may
>> intermittently interfere with io splitting and zone size queries.
>>
>> Signed-off-by: Keith Busch <kbusch at kernel.org>
>> Signed-off-by: Sagi Grimberg <sagi at grimberg.me>
>> Signed-off-by: Jens Axboe <axboe at kernel.dk>
>> Signed-off-by: Sasha Levin <sashal at kernel.org>
>
>You can safely drop this from stable: nvme zoned devices were only introduced
>to linux in 5.9.

Dropped, thanks!

-- 
Thanks,
Sasha



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