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Re: [Qemu-devel] [PATCH v2] qcow2: Set zero flag for discarded clusters
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [PATCH v2] qcow2: Set zero flag for discarded clusters |
Date: |
Fri, 14 Feb 2014 15:34:46 +0100 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Sat, Feb 08, 2014 at 05:50:02PM +0100, 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 <address@hidden>
> Reviewed-by: Max Reitz <address@hidden>
> ---
> block/qcow2-cluster.c | 22 ++++++++++++++++++++--
> 1 file changed, 20 insertions(+), 2 deletions(-)
Thanks, applied v2 to my block tree:
https://github.com/stefanha/qemu/commits/block
Stefan