diff options
author | Alberto Garcia <berto@igalia.com> | 2021-07-08 13:47:07 +0200 |
---|---|---|
committer | Kevin Wolf <kwolf@redhat.com> | 2021-07-09 13:19:11 +0200 |
commit | 3908b7a8994fa5ef7a89aa58cd5a02fc58141592 (patch) | |
tree | 2cc8053b3f32ea3e1123aa8e05d795cf5a33d1a8 /qapi | |
parent | 6cf42ca2f9782f0335abf3e6b611fbced40cd099 (diff) | |
download | qemu-3908b7a8994fa5ef7a89aa58cd5a02fc58141592.zip qemu-3908b7a8994fa5ef7a89aa58cd5a02fc58141592.tar.gz qemu-3908b7a8994fa5ef7a89aa58cd5a02fc58141592.tar.bz2 |
block: Support multiple reopening with x-blockdev-reopen
[ kwolf: Fixed AioContext locking ]
Signed-off-by: Alberto Garcia <berto@igalia.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20210708114709.206487-5-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'qapi')
-rw-r--r-- | qapi/block-core.json | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json index 4a46552..0525203 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -4221,13 +4221,15 @@ ## # @x-blockdev-reopen: # -# Reopens a block device using the given set of options. Any option -# not specified will be reset to its default value regardless of its -# previous status. If an option cannot be changed or a particular +# Reopens one or more block devices using the given set of options. +# Any option not specified will be reset to its default value regardless +# of its previous status. If an option cannot be changed or a particular # driver does not support reopening then the command will return an -# error. +# error. All devices in the list are reopened in one transaction, so +# if one of them fails then the whole transaction is cancelled. # -# The top-level @node-name option (from BlockdevOptions) must be +# The command receives a list of block devices to reopen. For each one +# of them, the top-level @node-name option (from BlockdevOptions) must be # specified and is used to select the block device to be reopened. # Other @node-name options must be either omitted or set to the # current name of the appropriate node. This command won't change any @@ -4247,8 +4249,8 @@ # # 4) NULL: the current child (if any) is detached. # -# Options (1) and (2) are supported in all cases, but at the moment -# only @backing allows replacing or detaching an existing child. +# Options (1) and (2) are supported in all cases. Option (3) is +# supported for @file and @backing, and option (4) for @backing only. # # Unlike with blockdev-add, the @backing option must always be present # unless the node being reopened does not have a backing file and its @@ -4258,7 +4260,7 @@ # Since: 4.0 ## { 'command': 'x-blockdev-reopen', - 'data': 'BlockdevOptions', 'boxed': true } + 'data': { 'options': ['BlockdevOptions'] } } ## # @blockdev-del: |