[PATCH RFC v3 5/5] block: Deprecate transaction type drive-backup
Markus Armbruster
armbru at redhat.com
Thu Oct 21 10:20:01 UTC 2021
Several moons ago, Vladimir posted
Subject: [PATCH v2 3/3] qapi: deprecate drive-backup
Date: Wed, 5 May 2021 16:58:03 +0300
Message-Id: <20210505135803.67896-4-vsementsov at virtuozzo.com>
https://lists.gnu.org/archive/html/qemu-devel/2021-05/msg01394.html
with this
TODO: We also need to deprecate drive-backup transaction action..
But union members in QAPI doesn't support 'deprecated' feature. I tried
to dig a bit, but failed :/ Markus, could you please help with it? At
least by advice?
This is one way to resolve it. Sorry it took so long.
John explored another way, namely adding feature flags to union
branches. Could also be useful, say to add different features to
branches in multiple unions sharing the same tag enum.
Signed-off-by: Markus Armbruster <armbru at redhat.com>
---
qapi/transaction.json | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/qapi/transaction.json b/qapi/transaction.json
index d175b5f863..381a2df782 100644
--- a/qapi/transaction.json
+++ b/qapi/transaction.json
@@ -54,6 +54,10 @@
# @blockdev-snapshot-sync: since 1.1
# @drive-backup: Since 1.6
#
+# Features:
+# @deprecated: Member @drive-backup is deprecated. Use member
+# @blockdev-backup instead.
+#
# Since: 1.1
##
{ 'enum': 'TransactionActionKind',
@@ -62,7 +66,7 @@
'block-dirty-bitmap-disable', 'block-dirty-bitmap-merge',
'blockdev-backup', 'blockdev-snapshot',
'blockdev-snapshot-internal-sync', 'blockdev-snapshot-sync',
- 'drive-backup' ] }
+ { 'name': 'drive-backup', 'features': [ 'deprecated' ] } ] }
##
# @AbortWrapper:
--
2.31.1
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