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

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Cool! thanks a lot!


On 8 May 2013 16:38, Eric Sandeen <sandeen@xxxxxxxxxx> wrote:
> 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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