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Re: [Qemu-block] [PATCH v4 31/39] qcow2: Update qcow2_truncate() to supp

From: Eric Blake
Subject: Re: [Qemu-block] [PATCH v4 31/39] qcow2: Update qcow2_truncate() to support L2 slices
Date: Tue, 13 Feb 2018 08:52:09 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0

On 02/05/2018 08:33 AM, 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.

Signed-off-by: Alberto Garcia <address@hidden>
  block/qcow2.c | 6 +++---
  1 file changed, 3 insertions(+), 3 deletions(-)

Reviewed-by: Eric Blake <address@hidden>

Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org

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