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Re: [Qemu-devel] Closing Bitmaps (Was: Re: [PATCH v7 03/24] block: Relea
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-devel] Closing Bitmaps (Was: Re: [PATCH v7 03/24] block: Release dirty bitmaps in bdrv_close()) |
Date: |
Wed, 18 Nov 2015 16:03:34 +0100 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
Am 17.11.2015 um 18:05 hat John Snow geschrieben:
> Still the subject of debate on-list, but the thought is roughly this:
>
> Bitmaps will be able to flush-to-file on close. (If they have no
> persistence data, it's a no-op (maybe.)) This might mean being flushed
> to their own BDS -- the one they are describing -- as a qcow2 extension.
> Or, it could be to an arbitrary new standalone file format designed for
> the sole purpose of containing bitmap data.
>
> The discussion hasn't progressed beyond "Max and Kevin do not think
> storing arbitrary bitmaps in .qcow2 files is a good idea." The logical
> conclusion is "We need a new standalone format, then" but we haven't
> decided what that format will look like or how it will be used.
I think the actual logical conclusion is that you use qcow2 images in
order to use the feature.
Kevin
- [Qemu-devel] [PATCH v7 03/24] block: Release dirty bitmaps in bdrv_close(), (continued)
- [Qemu-devel] [PATCH v7 03/24] block: Release dirty bitmaps in bdrv_close(), Max Reitz, 2015/11/09
- Re: [Qemu-devel] [PATCH v7 03/24] block: Release dirty bitmaps in bdrv_close(), John Snow, 2015/11/11
- Re: [Qemu-devel] [PATCH v7 03/24] block: Release dirty bitmaps in bdrv_close(), Fam Zheng, 2015/11/12
- Re: [Qemu-devel] [PATCH v7 03/24] block: Release dirty bitmaps in bdrv_close(), John Snow, 2015/11/13
- Re: [Qemu-devel] [PATCH v7 03/24] block: Release dirty bitmaps in bdrv_close(), Fam Zheng, 2015/11/16
- Re: [Qemu-devel] [PATCH v7 03/24] block: Release dirty bitmaps in bdrv_close(), John Snow, 2015/11/16
- Re: [Qemu-devel] [PATCH v7 03/24] block: Release dirty bitmaps in bdrv_close(), Fam Zheng, 2015/11/16
- [Qemu-devel] Closing Bitmaps (Was: Re: [PATCH v7 03/24] block: Release dirty bitmaps in bdrv_close()), John Snow, 2015/11/17
- Re: [Qemu-devel] Closing Bitmaps (Was: Re: [PATCH v7 03/24] block: Release dirty bitmaps in bdrv_close()), Fam Zheng, 2015/11/17
- Re: [Qemu-devel] Closing Bitmaps (Was: Re: [PATCH v7 03/24] block: Release dirty bitmaps in bdrv_close()), John Snow, 2015/11/18
- Re: [Qemu-devel] Closing Bitmaps (Was: Re: [PATCH v7 03/24] block: Release dirty bitmaps in bdrv_close()),
Kevin Wolf <=
- Re: [Qemu-devel] Closing Bitmaps (Was: Re: [PATCH v7 03/24] block: Release dirty bitmaps in bdrv_close()), John Snow, 2015/11/18
[Qemu-devel] [PATCH v7 05/24] iotests: Change coding style of _filter_nbd in 083, Max Reitz, 2015/11/09
[Qemu-devel] [PATCH v7 06/24] iotests: Move _filter_nbd into common.filter, Max Reitz, 2015/11/09
[Qemu-devel] [PATCH v7 07/24] iotests: Make _filter_nbd drop log lines, Max Reitz, 2015/11/09
[Qemu-devel] [PATCH v7 08/24] iotests: Make _filter_nbd support more URL types, Max Reitz, 2015/11/09
[Qemu-devel] [PATCH v7 09/24] iotests: Make redirecting qemu's stderr optional, Max Reitz, 2015/11/09