block: Accept node-name for drive-mirror
commit0524e93a3fd7bff5bb4a584c372f2632ab7c0e0f
authorKevin Wolf <kwolf@redhat.com>
Thu, 23 Jun 2016 12:20:24 +0000 (23 14:20 +0200)
committerKevin Wolf <kwolf@redhat.com>
Mon, 5 Sep 2016 17:06:47 +0000 (5 19:06 +0200)
tree819da417768425c21b050edfdf41db97e4bb00e0
parentb7e4fa224200ec87b9599a1d72b16ada35a3d113
block: Accept node-name for drive-mirror

In order to remove the necessity to use BlockBackend names in the
external API, we want to allow node-names everywhere. This converts
drive-mirror to accept a node-name without lifting the restriction that
we're operating at a root node.

In case of an invalid device name, the command returns the GenericError
error class now instead of DeviceNotFound, because this is what
qmp_get_root_bs() returns.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
blockdev.c
qapi/block-core.json
qmp-commands.hx
tests/qemu-iotests/041