From: Max Reitz <mreitz@redhat.com>
To: Kevin Wolf <kwolf@redhat.com>, qemu-devel@nongnu.org
Cc: pbonzini@redhat.com, stefanha@redhat.com
Subject: Re: [Qemu-devel] [PATCH] qcow2: Set zero flag for discarded clusters
Date: Sat, 08 Feb 2014 17:11:41 +0100 [thread overview]
Message-ID: <52F6573D.3090503@redhat.com> (raw)
In-Reply-To: <1391873296-23451-1-git-send-email-kwolf@redhat.com>
On 08.02.2014 16:28, Kevin Wolf wrote:
> Instead of making the backing file contents visible again after a discard
> request, set the zero flag if possible (i.e. on version >= 3).
>
> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
> ---
> block/qcow2-cluster.c | 22 ++++++++++++++++++++--
> 1 file changed, 20 insertions(+), 2 deletions(-)
Reviewed-by: Max Reitz <mreitz@redhat.com>
next prev parent reply other threads:[~2014-02-08 16:09 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-08 15:28 [Qemu-devel] [PATCH] qcow2: Set zero flag for discarded clusters Kevin Wolf
2014-02-08 16:11 ` Max Reitz [this message]
2014-02-08 16:17 ` Max Reitz
2014-02-08 16:32 ` Kevin Wolf
2014-02-08 16:50 ` [Qemu-devel] [PATCH v2] " Kevin Wolf
2014-02-14 14:34 ` Stefan Hajnoczi
2014-02-14 17:05 ` Stefan Hajnoczi
2014-02-14 18:11 ` Kevin Wolf
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