On 03/23/2016 05:16 PM, Denis V. Lunev wrote:
From: Pavel Borzenkov
With the availability of sparse storage formats, it is often needed to
query status of a particular LBA range and read only those blocks of
data that are actually present on the block device.
To provide such information, the p
On 03/23/2016 08:16 AM, Denis V. Lunev wrote:
> From: Pavel Borzenkov
>
> With the availability of sparse storage formats, it is often needed to
> query status of a particular LBA range and read only those blocks of
> data that are actually present on the block device.
>
> To provide such inform
On 03/23/2016 08:16 AM, Denis V. Lunev wrote:
> From: Pavel Borzenkov
>
> With the availability of sparse storage formats, it is often needed to
> query status of a particular LBA range and read only those blocks of
> data that are actually present on the block device.
>
> To provide such inform
On Thu, Mar 24, 2016 at 09:04:07AM -0600, Eric Blake wrote:
> On 03/24/2016 06:30 AM, Pavel Borzenkov wrote:
> >> Conversely, it would be possible to send less data over the wire, as
> >> long as we require that all LBA status descriptors cover consecutive
> >> offsets. That is, having the server
On 03/24/2016 06:30 AM, Pavel Borzenkov wrote:
>> Conversely, it would be possible to send less data over the wire, as
>> long as we require that all LBA status descriptors cover consecutive
>> offsets. That is, having the server reply with offsets is pointless,
>> since they can be reconstructed
On Wed, Mar 23, 2016 at 10:27:00AM -0600, Eric Blake wrote:
> On 03/23/2016 08:16 AM, Denis V. Lunev wrote:
> > From: Pavel Borzenkov
> >
> > With the availability of sparse storage formats, it is often needed to
> > query status of a particular LBA range and read only those blocks of
> > data th
On 03/23/2016 08:16 AM, Denis V. Lunev wrote:
> From: Pavel Borzenkov
>
> With the availability of sparse storage formats, it is often needed to
> query status of a particular LBA range and read only those blocks of
> data that are actually present on the block device.
The acronym LBA is not use
From: Pavel Borzenkov
With the availability of sparse storage formats, it is often needed to
query status of a particular LBA range and read only those blocks of
data that are actually present on the block device.
To provide such information, the patch adds GET_LBA_STATUS extension
with one new