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| author | Wen Congyang <wency@cn.fujitsu.com> | 2016-05-10 15:36:39 +0800 |
|---|---|---|
| committer | Max Reitz <mreitz@redhat.com> | 2016-05-12 15:33:23 +0200 |
| commit | 7f82159769261419e0f3905cf758cfc4850bb26f (patch) | |
| tree | fc021480a1c3bbf593cdc8b2a64fca6c4a8da929 /qapi | |
| parent | 98292c61bc491b660c9fa2ccbdbb35131921ea65 (diff) | |
| download | qemu-7f82159769261419e0f3905cf758cfc4850bb26f.zip | |
qmp: add monitor command to add/remove a child
The new QMP command name is x-blockdev-change. It's just for adding/removing
quorum's child now, and doesn't support all kinds of children, all kinds of
operations, nor all block drivers. So it is experimental now.
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-id: 1462865799-19402-4-git-send-email-xiecl.fnst@cn.fujitsu.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'qapi')
| -rw-r--r-- | qapi/block-core.json | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json index 1d09079cc1..98a20d22f4 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -2556,3 +2556,35 @@ ## { 'command': 'block-set-write-threshold', 'data': { 'node-name': 'str', 'write-threshold': 'uint64' } } + +## +# @x-blockdev-change +# +# Dynamically reconfigure the block driver state graph. It can be used +# to add, remove, insert or replace a graph node. Currently only the +# Quorum driver implements this feature to add or remove its child. This +# is useful to fix a broken quorum child. +# +# If @node is specified, it will be inserted under @parent. @child +# may not be specified in this case. If both @parent and @child are +# specified but @node is not, @child will be detached from @parent. +# +# @parent: the id or name of the parent node. +# +# @child: #optional the name of a child under the given parent node. +# +# @node: #optional the name of the node that will be added. +# +# Note: this command is experimental, and its API is not stable. It +# does not support all kinds of operations, all kinds of children, nor +# all block drivers. +# +# Warning: The data in a new quorum child MUST be consistent with that of +# the rest of the array. +# +# Since: 2.7 +## +{ 'command': 'x-blockdev-change', + 'data' : { 'parent': 'str', + '*child': 'str', + '*node': 'str' } } |