ext4 - scsi: storvsc: avoid usage of WRITE_SAME

Mario Ceresa mrceresa at gmail.com
Wed May 8 14:47:26 UTC 2013


Confirmed: kernel-3.9.1-0.rc1.201.fc18.x86_64 from koji fix this issue :)

On 8 May 2013 16:40, Mario Ceresa <mrceresa at gmail.com> wrote:
> Cool! thanks a lot!
>
>
> On 8 May 2013 16:38, Eric Sandeen <sandeen at redhat.com> 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 at host linux-2.6]# git log --pretty=oneline | grep "storvsc: avoid usage"
>> 3e8f4f4065901c8dfc51407e1984495e1748c090 [SCSI] storvsc: avoid usage of WRITE_SAME
>> [root at 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 at redhat.com> 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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