diff options
| author | Pavel Butsykin <pbutsykin@virtuozzo.com> | 2016-07-22 11:17:53 +0300 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2016-09-05 19:06:48 +0200 |
| commit | 3b7b12365953c507d50b52fbd3f1b46574c6946f (patch) | |
| tree | 81a40dbf444bb120f54095b7ccf173bde1d18925 /qapi | |
| parent | 13b9414b5798539e2dbb87a570d96184fe21edf4 (diff) | |
| download | qemu-3b7b12365953c507d50b52fbd3f1b46574c6946f.tar.gz | |
blockdev-backup: added support for data compression
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.
Signed-off-by: Pavel Butsykin <pbutsykin@virtuozzo.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Jeff Cody <jcody@redhat.com>
CC: Markus Armbruster <armbru@redhat.com>
CC: Eric Blake <eblake@redhat.com>
CC: John Snow <jsnow@redhat.com>
CC: Stefan Hajnoczi <stefanha@redhat.com>
CC: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'qapi')
| -rw-r--r-- | qapi/block-core.json | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json index 300a68b63a..31f9990754 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -939,6 +939,9 @@ # @speed: #optional the maximum speed, in bytes per second. The default is 0, # for unlimited. # +# @compress: #optional true to compress data, if the target format supports it. +# (default: false) (since 2.7) +# # @on-source-error: #optional the action to take on an error on the source, # default 'report'. 'stop' and 'enospc' can only be used # if the block device supports io-status (see BlockInfo). @@ -957,6 +960,7 @@ 'data': { '*job-id': 'str', 'device': 'str', 'target': 'str', 'sync': 'MirrorSyncMode', '*speed': 'int', + '*compress': 'bool', '*on-source-error': 'BlockdevOnError', '*on-target-error': 'BlockdevOnError' } } |