Re: [Qemu-devel] [PATCH 08/11] drive-backup: added support for data compression

2016-06-24 Thread Pavel Butsykin
On 24.06.2016 18:39, Eric Blake wrote: On 06/23/2016 03:15 AM, Pavel Butsykin wrote: @@ -3309,6 +3315,7 @@ void qmp_drive_backup(const char *device, const char *target, bool has_mode, enum NewImageMode mode, bool has_speed, int64_t speed,

Re: [Qemu-devel] [PATCH 08/11] drive-backup: added support for data compression

2016-06-24 Thread Eric Blake
On 06/23/2016 03:15 AM, Pavel Butsykin wrote: >>> @@ -3309,6 +3315,7 @@ void qmp_drive_backup(const char *device, const >>> char *target, >>> bool has_mode, enum NewImageMode mode, >>> bool has_speed, int64_t speed, >>> bool h

Re: [Qemu-devel] [PATCH 08/11] drive-backup: added support for data compression

2016-06-23 Thread Pavel Butsykin
On 13.06.2016 23:18, Eric Blake wrote: On 05/31/2016 03:15 AM, Denis V. Lunev wrote: From: Pavel Butsykin 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. The patch adds a flag to t

Re: [Qemu-devel] [PATCH 08/11] drive-backup: added support for data compression

2016-06-13 Thread Eric Blake
On 05/31/2016 03:15 AM, Denis V. Lunev wrote: > From: Pavel Butsykin > > 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. > > The patch adds a flag to the qmp/hmp drive-backup comm

Re: [Qemu-devel] [PATCH 08/11] drive-backup: added support for data compression

2016-06-13 Thread Stefan Hajnoczi
On Tue, May 31, 2016 at 12:15:27PM +0300, Denis V. Lunev wrote: > From: Pavel Butsykin > > 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. > > The patch adds a flag to the qmp/hmp

[Qemu-devel] [PATCH 08/11] drive-backup: added support for data compression

2016-05-31 Thread Denis V. Lunev
From: Pavel Butsykin 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. The patch adds a flag to the qmp/hmp drive-backup command which enables block compression. Compression should be i