Re: Subject: [v3.8][v3.11][Regression] [SCSI] sd: Update WRITE SAMEheuristics

From: Joseph Salisbury
Date: Tue Oct 29 2013 - 15:51:43 EST


On 10/29/2013 03:46 PM, Bernd Schubert wrote:
> Hello Joseph,
>
> On 10/29/2013 08:21 PM, Joseph Salisbury wrote:
>> Hi Martin,
>>
>> A bug was opened against the Ubuntu kernel[0]. After a kernel bisect,
>> it was found that reverting the following commit resolved this bug:
>>
>> commit 66c28f97120e8a621afd5aa7a31c4b85c547d33d
>> Author: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
>> Date: Thu Jun 6 22:15:55 2013 -0400
>>
>> [SCSI] sd: Update WRITE SAME heuristics
>>
>>
>> The regression was introduced as of v3.11-rc1, but it also made it's way
>> into the stable trees.
>>
>> I see that you are the author of this patch, so I wanted to run this by
>> you. I was thinking of requesting a revert for v3.12, but I wanted to
>> get your feedback first.
>>
>
> James queued this up for 3.13
>
>> http://git.kernel.org/cgit/linux/kernel/git/jejb/scsi.git/commit/?id=735e39e680256a13e7be3492acfb4d9721287a42
>>
>
> Maybe we should try to convince James to take it into 3.12?
>
>
> Cheers,
> Bernd

I'll build a 3.12 test kernel with this commit and ask the bug reporter
to test it. Thanks for the pointer, Bernd.
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