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Re: [PATCH 03/10] qcow2: introduce qcow2_parse_compressed_l2_entry() hel
From: |
Eric Blake |
Subject: |
Re: [PATCH 03/10] qcow2: introduce qcow2_parse_compressed_l2_entry() helper |
Date: |
Tue, 4 May 2021 14:23:23 -0500 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 |
On 5/4/21 10:20 AM, Vladimir Sementsov-Ogievskiy wrote:
> Add helper to parse compressed l2_entry and use it everywhere instead
> of opencoding.
open-coding
>
> Note, that in most places we move to precise coffset/csize instead of
> sector-aligned. Still it should work good enough for updating
> refcounts.
>
> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
> ---
> block/qcow2.h | 3 ++-
> block/qcow2-cluster.c | 15 +++++++++++++++
> block/qcow2-refcount.c | 36 +++++++++++++++++-------------------
> block/qcow2.c | 9 ++-------
> 4 files changed, 36 insertions(+), 27 deletions(-)
>
Reviewed-by: Eric Blake <eblake@redhat.com>
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3226
Virtualization: qemu.org | libvirt.org
- [PATCH 00/10] qcow2 check: check some reserved bits and subcluster bitmaps, Vladimir Sementsov-Ogievskiy, 2021/05/04
- [PATCH 01/10] qcow2-refcount: improve style of check_refcounts_l2(), Vladimir Sementsov-Ogievskiy, 2021/05/04
- [PATCH 03/10] qcow2: introduce qcow2_parse_compressed_l2_entry() helper, Vladimir Sementsov-Ogievskiy, 2021/05/04
- Re: [PATCH 03/10] qcow2: introduce qcow2_parse_compressed_l2_entry() helper,
Eric Blake <=
- [PATCH 04/10] qcow2-refcount: introduce fix_l2_entry_by_zero(), Vladimir Sementsov-Ogievskiy, 2021/05/04
- [PATCH 05/10] qcow2-refcount: fix_l2_entry_by_zero(): also zero L2 entry bitmap, Vladimir Sementsov-Ogievskiy, 2021/05/04
- [PATCH 06/10] qcow2-refcount: check_refcounts_l2(): check l2_bitmap, Vladimir Sementsov-Ogievskiy, 2021/05/04
- [PATCH 07/10] qcow2-refcount: check_refcounts_l2(): check reserved bits, Vladimir Sementsov-Ogievskiy, 2021/05/04
- [PATCH 08/10] qcow2-refcount: improve style of check_refcounts_l1(), Vladimir Sementsov-Ogievskiy, 2021/05/04