Re: [PATCH 0/2] fix regression in direct I/O to pmem devices

[Jeff Moyer]

Dan Williams <dan.j.williams@xxxxxxxxx> writes:

> On Fri, Aug 14, 2015 at 1:22 PM, Dan Williams <dan.j.williams@xxxxxxxxx> wrote:
>> On Fri, Aug 14, 2015 at 1:15 PM, Jeff Moyer <jmoyer@xxxxxxxxxx> wrote:
>>> Linda Knippers noticed that commit bbab37ddc20b (block: Add support
>>> for DAX reads/writes to block devices) caused a regression in mkfs.xfs.
>>> Further investigation also uncovered issues related to misaligned
>>> partitions.  This patch set addresses the two issues.
>>>
>>> [PATCH 1/2] dax: fix O_DIRECT I/O to the last block of a blockdev
>>> [PATCH 2/2] blockdev: don't set S_DAX for misaligned partitions
>>
>> Should these be "Cc: <stable@xxxxxxxxxxxxxxx>" given the regression
>> fix is applicable back to 4.0?
>
> Sorry, regression *since* 4.0.

$ git describe --contains bbab37ddc20b
v4.2-rc1~2^2~4

Looks like this was not sprung on the public yet.

-Jeff
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