Re: [PATCH v3 0/2] block: cope with WRITE ZEROES failing in blkdev_issue_zeroout()

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On 10/24/2017 11:27 PM, Ilya Dryomov wrote:
> On Mon, Oct 16, 2017 at 3:59 PM, Ilya Dryomov <idryomov@xxxxxxxxx> wrote:
>> Hi Christoph, Martin,
>>
>> blkdev_issue_zeroout() now checks for any error.  This required a minor
>> refactor, so I dropped the stable tag, Jens can add it back if needed.
>>
>> v2 -> v3:
>> - another code flow change in blkdev_issue_zeroout() suggested by
>>   Christoph -- no functional changes
>>
>> v1 -> v2:
>> - changed code flow in blkdev_issue_zeroout() according to Christoph's
>>   suggestion
>> - this required adding additional checks to blkdev_issue_zeroout() and
>>   __blkdev_issue_zero_pages(), the latter is no longer void
>>
>> Previous version at
>>
>>   https://marc.info/?l=linux-block&m=150712940922089&w=2
>>
>> Thanks,
>>
>>                 Ilya
>>
>>
>> Ilya Dryomov (2):
>>   block: factor out __blkdev_issue_zero_pages()
>>   block: cope with WRITE ZEROES failing in blkdev_issue_zeroout()
>>
>>  block/blk-lib.c | 108 +++++++++++++++++++++++++++++++++++++-------------------
>>  1 file changed, 72 insertions(+), 36 deletions(-)
> 
> Jens, can you pick these up?  Technically this is a user-visible
> regression (Fixes tag in 2/2), but we are late in the cycle so I'm not
> sure what is the right thing to do here.

It wasn't introduced in this cycle, so there's little point in trying
to rush it for 4.14. I have applied it for 4.15, thanks.

-- 
Jens Axboe




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