Re: ext4 - scsi: storvsc: avoid usage of WRITE_SAME

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On 5/8/13 9:30 AM, Mario Ceresa wrote:
> Thanks Eric, I'll upgrade to 3.9 then.
> 
> Do you know if there is an easy way to know when a kernel patch goes upstream?

You can search in the git tree:

[root@host linux-2.6]# git log --pretty=oneline | grep "storvsc: avoid usage"
3e8f4f4065901c8dfc51407e1984495e1748c090 [SCSI] storvsc: avoid usage of WRITE_SAME
[root@host linux-2.6]# git describe --contains 3e8f4f4065901c8dfc51407e1984495e1748c090
v3.9-rc1~21^2~7

-Eric

> Mario
> 
> On 8 May 2013 16:28, Eric Sandeen <sandeen@xxxxxxxxxx> wrote:
>> On 5/8/13 9:21 AM, Mario Ceresa wrote:
>>> Dear all,
>>> When accessing a VHDX disc with a f18 VM (hyperv) with kernel
>>> 3.8.8-202 x86_64 I have tons of errors like:
>>>
>>> Add. Sense: No additional sense information
>>> hv_storvsc vmbus_0_12: cmd 0x41 scsi status 0x2 srb status 0x6
>>>
>>> I believe it is related to WRITE_SAME don't implemented in win2012
>>> server. It seems that this patch could make the trick:
>>>
>>> https://patchwork.kernel.org/patch/2172871/
>>>
>>> But how could I check if I have it in my kernel or not?
>>
>> It went upstream in v3.9-rc1 so if you have that or later, you have it.
>>
>> -Eric
>>
>>> Of course, I can be completely wrong. If you have any other ideas,
>>> please share :)
>>>
>>> Thanks for any help,
>>>
>>> Mario
>>>
>>

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