[Qemu-devel] [PATCH 22/47] block: make device optional in BlockInfo

[Paolo Bonzini]

Targets of a mirroring operation will not have a device.  Once we have
-blockdev or equivalent, "detached" block devices and non-anonymous
backing files also will not have a device.

Signed-off-by: Paolo Bonzini <address@hidden>
---
 qapi-schema.json |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/qapi-schema.json b/qapi-schema.json
index fca1806..b00d8c6 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -443,7 +443,8 @@
 # Block device information.  This structure describes a virtual device and
 # the backing device associated with it.
 #
-# @device: The device name associated with the virtual device.
+# @device: #optional The device name associated with the virtual device.
+#          Always included in the output of query-block.
 #
 # @type: This field is returned only for compatibility reasons, it should
 #        not be used (always returns 'unknown')
@@ -465,7 +466,7 @@
 # Since:  0.14.0
 ##
 { 'type': 'BlockInfo',
-  'data': {'device': 'str', 'type': 'str', 'removable': 'bool',
+  'data': {'*device': 'str', 'type': 'str', 'removable': 'bool',
            'locked': 'bool', '*inserted': 'BlockDeviceInfo',
            '*tray_open': 'bool', '*io-status': 'BlockDeviceIoStatus'} }
 
-- 
1.7.10.4