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| author | Kevin Wolf <kwolf@redhat.com> | 2016-06-23 14:20:24 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2016-09-05 19:06:47 +0200 |
| commit | 07eec652722f3d12b07c5b28d0671ddfc22fe6a5 (patch) | |
| tree | 6fa6380f4d90c4660b880bdd78d7087fe2dd3980 | |
| parent | cef34eebf3d0f252a3b3e9a2a459b6c3ecc56f68 (diff) | |
| download | qemu-07eec652722f3d12b07c5b28d0671ddfc22fe6a5.tar.gz | |
block: Accept node-name for blockdev-mirror
In order to remove the necessity to use BlockBackend names in the
external API, we want to allow node-names everywhere. This converts
blockdev-mirror to accept a node-name without lifting the restriction
that we're operating at a root node.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
| -rw-r--r-- | blockdev.c | 10 | ||||
| -rw-r--r-- | qapi/block-core.json | 3 | ||||
| -rw-r--r-- | qmp-commands.hx | 3 |
3 files changed, 5 insertions, 11 deletions
diff --git a/blockdev.c b/blockdev.c index 46beafdfad..ccff1f7d05 100644 --- a/blockdev.c +++ b/blockdev.c @@ -3627,21 +3627,13 @@ void qmp_blockdev_mirror(bool has_job_id, const char *job_id, Error **errp) { BlockDriverState *bs; - BlockBackend *blk; BlockDriverState *target_bs; AioContext *aio_context; BlockMirrorBackingMode backing_mode = MIRROR_LEAVE_BACKING_CHAIN; Error *local_err = NULL; - blk = blk_by_name(device); - if (!blk) { - error_setg(errp, "Device '%s' not found", device); - return; - } - bs = blk_bs(blk); - + bs = qmp_get_root_bs(device, errp); if (!bs) { - error_setg(errp, "Device '%s' has no media", device); return; } diff --git a/qapi/block-core.json b/qapi/block-core.json index 53f46b625c..bcb37db5af 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -1277,7 +1277,8 @@ # @job-id: #optional identifier for the newly-created block job. If # omitted, the device name will be used. (Since 2.7) # -# @device: the name of the device whose writes should be mirrored. +# @device: The device name or node-name of a root node whose writes should be +# mirrored. # # @target: the id or node-name of the block device to mirror to. This mustn't be # attached to guest. diff --git a/qmp-commands.hx b/qmp-commands.hx index 2077585dd3..034d51718c 100644 --- a/qmp-commands.hx +++ b/qmp-commands.hx @@ -1747,7 +1747,8 @@ Arguments: - "job-id": Identifier for the newly-created block job. If omitted, the device name will be used. (json-string, optional) -- "device": device name to operate on (json-string) +- "device": The device name or node-name of a root node whose writes should be + mirrored (json-string) - "target": device name to mirror to (json-string) - "replaces": the block driver node name to replace when finished (json-string, optional) |