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Subject: Re: [Qemu-devel] [PATCH v4 31/39] qcow2: Update qcow2_truncate() to
 support L2 slices
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To: Alberto Garcia <berto@igalia.com>, qemu-devel@nongnu.org
Cc: qemu-block@nongnu.org, Kevin Wolf <kwolf@redhat.com>, Eric Blake <eblake@redhat.com>, Anton Nefedov <anton.nefedov@virtuozzo.com>, "Denis V . Lunev" <den@openvz.org>

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From: Max Reitz <mreitz@redhat.com>
To: Alberto Garcia <berto@igalia.com>, qemu-devel@nongnu.org
Cc: qemu-block@nongnu.org, Kevin Wolf <kwolf@redhat.com>,
 Eric Blake <eblake@redhat.com>, Anton Nefedov <anton.nefedov@virtuozzo.com>,
 "Denis V . Lunev" <den@openvz.org>
Message-ID: <5868a365-6812-beb4-a35e-822bafdab2ab@redhat.com>
Subject: Re: [PATCH v4 31/39] qcow2: Update qcow2_truncate() to support L2
 slices
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 <1fd7d272b5e7b66254a090b74cf2bed1cc334c0e.1517840877.git.berto@igalia.com>
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On 2018-02-05 15:33, Alberto Garcia wrote:
> The qcow2_truncate() code is mostly independent from whether
> we're using L2 slices or full L2 tables, but in full and
> falloc preallocation modes new L2 tables are allocated using
> qcow2_alloc_cluster_link_l2().  Therefore the code needs to be
> modified to ensure that all nb_clusters that are processed in each
> call can be allocated with just one L2 slice.
>=20
> Signed-off-by: Alberto Garcia <berto@igalia.com>
> ---
>  block/qcow2.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

Reviewed-by: Max Reitz <mreitz@redhat.com>


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