From: Kevin Wolf <kwolf@redhat.com>
To: Max Reitz <mreitz@redhat.com>
Cc: qemu-devel@nongnu.org, Stefan Hajnoczi <stefanha@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v8 01/14] qcow2: Allow "full" discard
Date: Mon, 30 Jun 2014 12:00:26 +0200 [thread overview]
Message-ID: <20140630100026.GC4334@noname.str.redhat.com> (raw)
In-Reply-To: <1402167080-20316-2-git-send-email-mreitz@redhat.com>
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 <mreitz@redhat.com>
> Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
next prev parent reply other threads:[~2014-06-30 10:00 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-07 18:51 [Qemu-devel] [PATCH v8 00/14] qemu-img: Implement commit like QMP Max Reitz
2014-06-07 18:51 ` [Qemu-devel] [PATCH v8 01/14] qcow2: Allow "full" discard Max Reitz
2014-06-30 10:00 ` Kevin Wolf [this message]
2014-06-07 18:51 ` [Qemu-devel] [PATCH v8 02/14] qcow2: Implement bdrv_make_empty() Max Reitz
2014-06-30 10:00 ` Kevin Wolf
2014-06-07 18:51 ` [Qemu-devel] [PATCH v8 03/14] qcow2: Optimize bdrv_make_empty() Max Reitz
2014-06-30 11:33 ` Kevin Wolf
2014-07-01 7:11 ` Hu Tao
2014-07-01 12:12 ` Max Reitz
2014-07-09 23:23 ` Max Reitz
2014-06-07 18:51 ` [Qemu-devel] [PATCH v8 04/14] blockjob: Introduce block_job_complete_sync() Max Reitz
2014-06-07 18:51 ` [Qemu-devel] [PATCH v8 05/14] blockjob: Add "ready" field Max Reitz
2014-06-07 18:51 ` [Qemu-devel] [PATCH v8 06/14] block/mirror: Improve progress report Max Reitz
2014-06-07 18:51 ` [Qemu-devel] [PATCH v8 07/14] qemu-img: Implement commit like QMP Max Reitz
2014-06-09 16:53 ` Eric Blake
2014-06-07 18:51 ` [Qemu-devel] [PATCH v8 08/14] qemu-img: Empty image after commit Max Reitz
2014-06-07 18:51 ` [Qemu-devel] [PATCH v8 09/14] qemu-img: Enable progress output for commit Max Reitz
2014-06-09 17:28 ` Eric Blake
2014-06-07 18:51 ` [Qemu-devel] [PATCH v8 10/14] qemu-img: Specify backing file " Max Reitz
2014-06-09 17:40 ` Eric Blake
2014-06-07 18:51 ` [Qemu-devel] [PATCH v8 11/14] iotests: Add _filter_qemu_img_map Max Reitz
2014-06-09 17:51 ` Eric Blake
2014-06-07 18:51 ` [Qemu-devel] [PATCH v8 12/14] iotests: Add test for backing-chain commits Max Reitz
2014-06-09 18:50 ` Eric Blake
2014-06-07 18:51 ` [Qemu-devel] [PATCH v8 13/14] iotests: Add test for qcow2's bdrv_make_empty Max Reitz
2014-06-09 18:55 ` Eric Blake
2014-06-07 18:51 ` [Qemu-devel] [PATCH v8 14/14] iotests: Omit length/offset test in 040 and 041 Max Reitz
2014-06-27 22:07 ` [Qemu-devel] [PATCH v8 00/14] qemu-img: Implement commit like QMP Max Reitz
2014-06-30 9:50 ` Kevin Wolf
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