diff options
| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2021-01-17 00:46:52 +0300 |
|---|---|---|
| committer | Max Reitz <mreitz@redhat.com> | 2021-01-26 14:36:37 +0100 |
| commit | 2c59fd833a6c547e174b26ba3e1f88f5865e16cf (patch) | |
| tree | bac9d428e1078b7dbfb2e86415068cae5b1b9086 /qapi | |
| parent | 3ee1483b95f314b960231c1c0b329bea4346f49c (diff) | |
qapi: backup: add max-chunk and max-workers to x-perf struct
Add new parameters to configure future backup features. The patch
doesn't introduce aio backup requests (so we actually have only one
worker) neither requests larger than one cluster. Still, formally we
satisfy these maximums anyway, so add the parameters now, to facilitate
further patch which will really change backup job behavior.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20210116214705.822267-11-vsementsov@virtuozzo.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'qapi')
| -rw-r--r-- | qapi/block-core.json | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json index 83f661d7f6..abcd41ed63 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -1379,10 +1379,21 @@ # # @use-copy-range: Use copy offloading. Default true. # +# @max-workers: Maximum number of parallel requests for the sustained background +# copying process. Doesn't influence copy-before-write operations. +# Default 64. +# +# @max-chunk: Maximum request length for the sustained background copying +# process. Doesn't influence copy-before-write operations. +# 0 means unlimited. If max-chunk is non-zero then it should not be +# less than job cluster size which is calculated as maximum of +# target image cluster size and 64k. Default 0. +# # Since: 6.0 ## { 'struct': 'BackupPerf', - 'data': { '*use-copy-range': 'bool' }} + 'data': { '*use-copy-range': 'bool', + '*max-workers': 'int', '*max-chunk': 'int64' } } ## # @BackupCommon: |