Am 26.05.2017 um 12:57 hat Denis V. Lunev geschrieben:
> On 05/26/2017 11:11 AM, Kevin Wolf wrote:
> >
> > No. This is what you bypass:
> some analysis for the record.
> [...]
> anyway, this is a good list of things to take into account
> within bdrv_allocate. But it is important, that from the
>
Am 26.05.2017 um 10:57 hat Denis V. Lunev geschrieben:
> On 05/26/2017 11:11 AM, Kevin Wolf wrote:
> > It seems much clearer to me that simply unifying the three write
> > requests into a single one is an improvement. And it's easy to do, I
> > even had a patch once to do this. The reason that I
On 05/26/2017 11:11 AM, Kevin Wolf wrote:
>
> No. This is what you bypass:
some analysis for the record.
> * All sanity checks that the block layer does
>
> * bdrv_inc/dec_in_flight(), which is required for drain to work
> correctly. Not doing this will cause crashes.
Should not be a problem.
On 05/26/2017 11:57 AM, Denis V. Lunev wrote:
On 05/26/2017 11:11 AM, Kevin Wolf wrote:
Am 19.05.2017 um 11:34 hat Anton Nefedov geschrieben:
From: "Denis V. Lunev"
Currently each single write operation can result in 3 write operations
if guest offsets are not cluster
On 05/26/2017 11:11 AM, Kevin Wolf wrote:
> Am 19.05.2017 um 11:34 hat Anton Nefedov geschrieben:
>> From: "Denis V. Lunev"
>>
>> Currently each single write operation can result in 3 write operations
>> if guest offsets are not cluster aligned. One write is performed for the
>>
Am 19.05.2017 um 11:34 hat Anton Nefedov geschrieben:
> From: "Denis V. Lunev"
>
> Currently each single write operation can result in 3 write operations
> if guest offsets are not cluster aligned. One write is performed for the
> real payload and two for COW-ed areas. Thus the
On 05/22/2017 10:00 PM, Eric Blake wrote:
> On 05/19/2017 04:34 AM, Anton Nefedov wrote:
>> From: "Denis V. Lunev"
>>
>> Currently each single write operation can result in 3 write operations
>> if guest offsets are not cluster aligned. One write is performed for the
>> real
On 05/22/2017 10:00 PM, Eric Blake wrote:
On 05/19/2017 04:34 AM, Anton Nefedov wrote:
From: "Denis V. Lunev"
Currently each single write operation can result in 3 write operations
if guest offsets are not cluster aligned. One write is performed for the
real payload and two
On 05/19/2017 04:34 AM, Anton Nefedov wrote:
> From: "Denis V. Lunev"
>
> Currently each single write operation can result in 3 write operations
> if guest offsets are not cluster aligned. One write is performed for the
> real payload and two for COW-ed areas. Thus the data