Re: [Qemu-devel] [PATCH for 2.7 0/2] backup compression

2016-04-27 Thread Denis V. Lunev
On 04/27/2016 10:59 AM, Fam Zheng wrote: On Wed, 04/27 09:32, Denis V. Lunev wrote: On 04/26/2016 12:46 PM, Stefan Hajnoczi wrote: On Sat, Apr 23, 2016 at 11:41:51AM +0300, Denis V. Lunev wrote: The idea is simple - backup is "written-once" data. It is written block by block and it is large en

Re: [Qemu-devel] [PATCH for 2.7 0/2] backup compression

2016-04-27 Thread Kevin Wolf
Am 27.04.2016 um 09:59 hat Fam Zheng geschrieben: > On Wed, 04/27 09:32, Denis V. Lunev wrote: > > On 04/26/2016 12:46 PM, Stefan Hajnoczi wrote: > > > On Sat, Apr 23, 2016 at 11:41:51AM +0300, Denis V. Lunev wrote: > > > > The idea is simple - backup is "written-once" data. It is written block > >

Re: [Qemu-devel] [PATCH for 2.7 0/2] backup compression

2016-04-27 Thread Fam Zheng
On Wed, 04/27 09:32, Denis V. Lunev wrote: > On 04/26/2016 12:46 PM, Stefan Hajnoczi wrote: > > On Sat, Apr 23, 2016 at 11:41:51AM +0300, Denis V. Lunev wrote: > > > The idea is simple - backup is "written-once" data. It is written block > > > by block and it is large enough. It would be nice to sa

Re: [Qemu-devel] [PATCH for 2.7 0/2] backup compression

2016-04-26 Thread Denis V. Lunev
On 04/26/2016 12:46 PM, Stefan Hajnoczi wrote: On Sat, Apr 23, 2016 at 11:41:51AM +0300, Denis V. Lunev wrote: The idea is simple - backup is "written-once" data. It is written block by block and it is large enough. It would be nice to save storage space and compress it. These patches add the a

Re: [Qemu-devel] [PATCH for 2.7 0/2] backup compression

2016-04-26 Thread Stefan Hajnoczi
On Sat, Apr 23, 2016 at 11:41:51AM +0300, Denis V. Lunev wrote: > The idea is simple - backup is "written-once" data. It is written block > by block and it is large enough. It would be nice to save storage > space and compress it. > > These patches add the ability to compress data during backup. T

[Qemu-devel] [PATCH for 2.7 0/2] backup compression

2016-04-23 Thread Denis V. Lunev
The idea is simple - backup is "written-once" data. It is written block by block and it is large enough. It would be nice to save storage space and compress it. These patches add the ability to compress data during backup. This functionality is implemented by means of adding options to the qmp/hmp