From: Max Reitz <mreitz@redhat.com>
To: Kevin Wolf <kwolf@redhat.com>, qemu-block@nongnu.org
Cc: qemu-devel@nongnu.org, qemu-stable@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] qcow2: Fix qcow2_get_cluster_offset() for zero clusters
Date: Wed, 4 Nov 2015 20:29:00 +0100 [thread overview]
Message-ID: <563A5C7C.3040900@redhat.com> (raw)
In-Reply-To: <1446657384-5907-1-git-send-email-kwolf@redhat.com>
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On 04.11.2015 18:16, Kevin Wolf wrote:
> When searching for contiguous zero clusters, we only need to check the
> cluster type. Before this patch, an increasing offset (L2E_OFFSET_MASK)
> was expected, so that the function never returned more than a single
> zero cluster in practice. This patch fixes it to actually return as many
> contiguous zero clusters as it can.
>
> Cc: qemu-stable@nongnu.org
> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
> ---
> block/qcow2-cluster.c | 15 +++++++++------
> 1 file changed, 9 insertions(+), 6 deletions(-)
Thanks, applied to my block tree:
https://github.com/XanClic/qemu/commits/block
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prev parent reply other threads:[~2015-11-04 19:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-04 17:16 [Qemu-devel] [PATCH] qcow2: Fix qcow2_get_cluster_offset() for zero clusters Kevin Wolf
2015-11-04 19:29 ` Max Reitz [this message]
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