[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-block] [PATCH v5 06/21] hbitmap: cache array lengths
From: |
Eric Blake |
Subject: |
Re: [Qemu-block] [PATCH v5 06/21] hbitmap: cache array lengths |
Date: |
Fri, 17 Apr 2015 09:18:09 -0600 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 |
On 04/08/2015 04:19 PM, John Snow wrote:
> As a convenience: between incremental backups, bitmap migrations
> and bitmap persistence we seem to need to recalculate these a lot.
>
> Because the lengths are a little bit-twiddly, let's just solidly
> cache them and be done with it.
>
> Reviewed-by: Max Reitz <address@hidden>
> Signed-off-by: John Snow <address@hidden>
> ---
> util/hbitmap.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
Reviewed-by: Eric Blake <address@hidden>
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
signature.asc
Description: OpenPGP digital signature
- [Qemu-block] [PATCH v5 00/21] block: transactionless incremental backup series, John Snow, 2015/04/08
- [Qemu-block] [PATCH v5 03/21] qmp: Ensure consistent granularity type, John Snow, 2015/04/08
- [Qemu-block] [PATCH v5 05/21] block: Introduce bdrv_dirty_bitmap_granularity(), John Snow, 2015/04/08
- [Qemu-block] [PATCH v5 06/21] hbitmap: cache array lengths, John Snow, 2015/04/08
- Re: [Qemu-block] [PATCH v5 06/21] hbitmap: cache array lengths,
Eric Blake <=
- [Qemu-block] [PATCH v5 04/21] qmp: Add block-dirty-bitmap-add and block-dirty-bitmap-remove, John Snow, 2015/04/08
- [Qemu-block] [PATCH v5 07/21] hbitmap: add hbitmap_merge, John Snow, 2015/04/08
- [Qemu-block] [PATCH v5 02/21] qapi: Add optional field "name" to block dirty bitmap, John Snow, 2015/04/08
- [Qemu-block] [PATCH v5 09/21] block: Add bitmap successors, John Snow, 2015/04/08
- [Qemu-block] [PATCH v5 08/21] block: Add bitmap disabled status, John Snow, 2015/04/08