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Re: [Qemu-devel] [PATCH v3 27/39] qcow2: Update qcow2_update_snapshot_re


From: Eric Blake
Subject: Re: [Qemu-devel] [PATCH v3 27/39] qcow2: Update qcow2_update_snapshot_refcount() to support L2 slices
Date: Fri, 26 Jan 2018 13:39:50 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.2

On 01/26/2018 08:59 AM, Alberto Garcia wrote:
> qcow2_update_snapshot_refcount() increases the refcount of all
> clusters of a given snapshot. In order to do that it needs to load all
> its L2 tables and iterate over their entries. Since we'll be loading
> L2 slices instead of full tables we need to add an extra loop that
> iterates over all slices of each L2 table.
> 
> This function doesn't need any additional changes so apart from that
> this patch simply updates the variable name from l2_table to l2_slice.
> 
> Signed-off-by: Alberto Garcia <address@hidden>
> ---
>  block/qcow2-refcount.c | 31 +++++++++++++++++--------------
>  1 file changed, 17 insertions(+), 14 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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