Re: [Qemu-devel] [PATCH 03/17] spec: add qcow2-dirty-bitmaps specification

2015-10-09 Thread Max Reitz
On 08.10.2015 22:28, John Snow wrote: [...] > (NB: I never got Max's original reply, so this reply is more to Max than > to Denis or Vladimir.) Let's hope you'll see this one, then. :-) > I'll see your wall of text and raise you my own wall of text... > > We consider the ability to use

Re: [Qemu-devel] [PATCH 03/17] spec: add qcow2-dirty-bitmaps specification

2015-10-08 Thread John Snow
On 10/07/2015 03:05 PM, Denis V. Lunev wrote: > On 10/07/2015 07:47 PM, Max Reitz wrote: >> On 05.09.2015 18:43, Vladimir Sementsov-Ogievskiy wrote: >>> Persistent dirty bitmaps will be saved into qcow2 files. It may be used >>> as 'internal' bitmaps (for qcow2 drives) or as 'external' bitmaps

Re: [Qemu-devel] [PATCH 03/17] spec: add qcow2-dirty-bitmaps specification

2015-10-08 Thread Denis V. Lunev
On 10/08/2015 11:28 PM, John Snow wrote: On 10/07/2015 03:05 PM, Denis V. Lunev wrote: On 10/07/2015 07:47 PM, Max Reitz wrote: On 05.09.2015 18:43, Vladimir Sementsov-Ogievskiy wrote: Persistent dirty bitmaps will be saved into qcow2 files. It may be used as 'internal' bitmaps (for qcow2

Re: [Qemu-devel] [PATCH 03/17] spec: add qcow2-dirty-bitmaps specification

2015-10-07 Thread Denis V. Lunev
On 10/07/2015 07:47 PM, Max Reitz wrote: On 05.09.2015 18:43, Vladimir Sementsov-Ogievskiy wrote: Persistent dirty bitmaps will be saved into qcow2 files. It may be used as 'internal' bitmaps (for qcow2 drives) or as 'external' bitmaps for other drives (there may be qcow2 file with zero disk

Re: [Qemu-devel] [PATCH 03/17] spec: add qcow2-dirty-bitmaps specification

2015-10-07 Thread Max Reitz
On 05.09.2015 18:43, Vladimir Sementsov-Ogievskiy wrote: > Persistent dirty bitmaps will be saved into qcow2 files. It may be used > as 'internal' bitmaps (for qcow2 drives) or as 'external' bitmaps for > other drives (there may be qcow2 file with zero disk size but with > several dirty bitmaps

Re: [Qemu-devel] [PATCH 03/17] spec: add qcow2-dirty-bitmaps specification

2015-10-06 Thread John Snow
On 09/05/2015 01:33 PM, Vladimir Sementsov-Ogievskiy wrote: > On 05.09.2015 19:43, Vladimir Sementsov-Ogievskiy wrote: >> Persistent dirty bitmaps will be saved into qcow2 files. It may be used >> as 'internal' bitmaps (for qcow2 drives) or as 'external' bitmaps for >> other drives (there may be

Re: [Qemu-devel] [PATCH 03/17] spec: add qcow2-dirty-bitmaps specification

2015-10-06 Thread Eric Blake
On 10/06/2015 02:22 PM, John Snow wrote: >>> +Dirty Bitmap Directory Entry: >>> + >>> + >>> +24 - 27:flags >>> +Bit >>> + 0: in_use >>> + The bitmap is in use and may be inconsistent. >>> + >>> +

Re: [Qemu-devel] [PATCH 03/17] spec: add qcow2-dirty-bitmaps specification

2015-10-05 Thread John Snow
On 09/15/2015 12:24 PM, Eric Blake wrote: > On 09/05/2015 10:43 AM, Vladimir Sementsov-Ogievskiy wrote: >> Persistent dirty bitmaps will be saved into qcow2 files. It may be used >> as 'internal' bitmaps (for qcow2 drives) or as 'external' bitmaps for >> other drives (there may be qcow2 file

Re: [Qemu-devel] [PATCH 03/17] spec: add qcow2-dirty-bitmaps specification

2015-09-16 Thread Vladimir Sementsov-Ogievskiy
On 15.09.2015 19:24, Eric Blake wrote: On 09/05/2015 10:43 AM, Vladimir Sementsov-Ogievskiy wrote: Persistent dirty bitmaps will be saved into qcow2 files. It may be used as 'internal' bitmaps (for qcow2 drives) or as 'external' bitmaps for other drives (there may be qcow2 file with zero disk

Re: [Qemu-devel] [PATCH 03/17] spec: add qcow2-dirty-bitmaps specification

2015-09-15 Thread Eric Blake
On 09/05/2015 10:43 AM, Vladimir Sementsov-Ogievskiy wrote: > Persistent dirty bitmaps will be saved into qcow2 files. It may be used > as 'internal' bitmaps (for qcow2 drives) or as 'external' bitmaps for > other drives (there may be qcow2 file with zero disk size but with > several dirty bitmaps

Re: [Qemu-devel] [PATCH 03/17] spec: add qcow2-dirty-bitmaps specification

2015-09-05 Thread Vladimir Sementsov-Ogievskiy
On 05.09.2015 19:43, Vladimir Sementsov-Ogievskiy wrote: Persistent dirty bitmaps will be saved into qcow2 files. It may be used as 'internal' bitmaps (for qcow2 drives) or as 'external' bitmaps for other drives (there may be qcow2 file with zero disk size but with several dirty bitmaps for

[Qemu-devel] [PATCH 03/17] spec: add qcow2-dirty-bitmaps specification

2015-09-05 Thread Vladimir Sementsov-Ogievskiy
Persistent dirty bitmaps will be saved into qcow2 files. It may be used as 'internal' bitmaps (for qcow2 drives) or as 'external' bitmaps for other drives (there may be qcow2 file with zero disk size but with several dirty bitmaps for other drives). Signed-off-by: Vladimir Sementsov-Ogievskiy