From: Eric Blake <eblake@redhat.com>
To: "Denis V. Lunev" <den@openvz.org>, qemu-devel@nongnu.org
Cc: Pavel Butsykin <pbutsykin@virtuozzo.com>,
Jeff Cody <jcody@redhat.com>,
Markus Armbruster <armbru@redhat.com>,
John Snow <jsnow@redhat.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
Kevin Wolf <kwolf@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 09/11] blockdev-backup: added support for data compression
Date: Mon, 13 Jun 2016 14:19:16 -0600 [thread overview]
Message-ID: <575F1544.8090300@redhat.com> (raw)
In-Reply-To: <1464686130-12265-10-git-send-email-den@openvz.org>
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On 05/31/2016 03:15 AM, Denis V. Lunev wrote:
> From: Pavel Butsykin <pbutsykin@virtuozzo.com>
>
> The idea is simple - backup is "written-once" data. It is written block
> by block and it is large enough. It would be nice to save storage
> space and compress it.
>
> +++ b/qapi/block-core.json
> @@ -926,6 +926,9 @@
> # @speed: #optional the maximum speed, in bytes per second. The default is 0,
> # for unlimited.
> #
> +# @compress: #optional the compression data blocks (if the target format
> +# supports it; default: false).
> +#
Missing a '(since 2.7)' designation.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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next prev parent reply other threads:[~2016-06-13 20:19 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-31 9:15 [Qemu-devel] [PATCH v4 00/11] backup compression Denis V. Lunev
2016-05-31 9:15 ` [Qemu-devel] [PATCH 01/11] block: switch blk_write_compressed() to byte-based interface Denis V. Lunev
2016-06-13 13:01 ` Stefan Hajnoczi
2016-06-13 14:23 ` Eric Blake
2016-06-22 12:25 ` Pavel Butsykin
2016-06-28 10:53 ` Kevin Wolf
2016-06-28 11:32 ` Pavel Butsykin
2016-05-31 9:15 ` [Qemu-devel] [PATCH 02/11] block/io: add bdrv_co_write_compressed Denis V. Lunev
2016-06-13 13:18 ` Stefan Hajnoczi
2016-06-13 14:32 ` Eric Blake
2016-06-22 12:26 ` Pavel Butsykin
2016-06-28 11:09 ` Kevin Wolf
2016-06-28 11:35 ` Pavel Butsykin
2016-05-31 9:15 ` [Qemu-devel] [PATCH 03/11] qcow2: add qcow2_co_write_compressed Denis V. Lunev
2016-06-13 13:18 ` Stefan Hajnoczi
2016-06-13 20:14 ` Eric Blake
2016-06-22 12:27 ` Pavel Butsykin
2016-06-28 11:17 ` Kevin Wolf
2016-06-28 11:30 ` Kevin Wolf
2016-06-28 15:06 ` Pavel Butsykin
2016-05-31 9:15 ` [Qemu-devel] [PATCH 04/11] vmdk: add vmdk_co_write_compressed Denis V. Lunev
2016-06-13 13:18 ` Stefan Hajnoczi
2016-05-31 9:15 ` [Qemu-devel] [PATCH 05/11] qcow: add qcow_co_write_compressed Denis V. Lunev
2016-06-13 13:18 ` Stefan Hajnoczi
2016-05-31 9:15 ` [Qemu-devel] [PATCH 06/11] block: remove BlockDriver.bdrv_write_compressed Denis V. Lunev
2016-06-13 13:19 ` Stefan Hajnoczi
2016-05-31 9:15 ` [Qemu-devel] [PATCH 07/11] block: optimization blk_pwrite_compressed() Denis V. Lunev
2016-06-13 13:11 ` Stefan Hajnoczi
2016-06-13 20:16 ` Eric Blake
2016-06-15 10:22 ` Stefan Hajnoczi
2016-06-24 15:42 ` Eric Blake
2016-06-28 11:47 ` Kevin Wolf
2016-06-28 12:32 ` Pavel Butsykin
2016-06-28 13:05 ` Kevin Wolf
2016-05-31 9:15 ` [Qemu-devel] [PATCH 08/11] drive-backup: added support for data compression Denis V. Lunev
2016-06-13 13:19 ` Stefan Hajnoczi
2016-06-13 20:18 ` Eric Blake
2016-06-23 9:15 ` Pavel Butsykin
2016-06-24 15:39 ` Eric Blake
2016-06-24 15:50 ` Pavel Butsykin
2016-05-31 9:15 ` [Qemu-devel] [PATCH 09/11] blockdev-backup: " Denis V. Lunev
2016-06-13 13:19 ` Stefan Hajnoczi
2016-06-13 20:19 ` Eric Blake [this message]
2016-05-31 9:15 ` [Qemu-devel] [PATCH 10/11] qemu-iotests: test backup compression in 055 Denis V. Lunev
2016-06-13 13:17 ` Stefan Hajnoczi
2016-05-31 9:15 ` [Qemu-devel] [PATCH 11/11] qemu-iotests: add vmdk for " Denis V. Lunev
2016-06-13 13:18 ` Stefan Hajnoczi
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