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Re: [Qemu-devel] [PATCH v8 01/14] qcow2: Allow "full" discard
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From: |
Kevin Wolf |
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Subject: |
Re: [Qemu-devel] [PATCH v8 01/14] qcow2: Allow "full" discard |
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Date: |
Mon, 30 Jun 2014 12:00:26 +0200 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
Am 07.06.2014 um 20:51 hat Max Reitz geschrieben:
> Normally, discarded sectors should read back as zero. However, there are
> cases in which a sector (or rather cluster) should be discarded as if
> they were never written in the first place, that is, reading them should
> fall through to the backing file again.
>
> Signed-off-by: Max Reitz <address@hidden>
> Reviewed-by: Eric Blake <address@hidden>
Reviewed-by: Kevin Wolf <address@hidden>
- [Qemu-devel] [PATCH v8 00/14] qemu-img: Implement commit like QMP, Max Reitz, 2014/06/07
- [Qemu-devel] [PATCH v8 02/14] qcow2: Implement bdrv_make_empty(), Max Reitz, 2014/06/07
- [Qemu-devel] [PATCH v8 01/14] qcow2: Allow "full" discard, Max Reitz, 2014/06/07
- Re: [Qemu-devel] [PATCH v8 01/14] qcow2: Allow "full" discard,
Kevin Wolf <=
- [Qemu-devel] [PATCH v8 03/14] qcow2: Optimize bdrv_make_empty(), Max Reitz, 2014/06/07
- [Qemu-devel] [PATCH v8 05/14] blockjob: Add "ready" field, Max Reitz, 2014/06/07
- [Qemu-devel] [PATCH v8 04/14] blockjob: Introduce block_job_complete_sync(), Max Reitz, 2014/06/07
- [Qemu-devel] [PATCH v8 06/14] block/mirror: Improve progress report, Max Reitz, 2014/06/07
- [Qemu-devel] [PATCH v8 07/14] qemu-img: Implement commit like QMP, Max Reitz, 2014/06/07
- [Qemu-devel] [PATCH v8 08/14] qemu-img: Empty image after commit, Max Reitz, 2014/06/07
- [Qemu-devel] [PATCH v8 09/14] qemu-img: Enable progress output for commit, Max Reitz, 2014/06/07