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