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-rw-r--r--qapi/block-core.json20
1 files changed, 19 insertions, 1 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json
index fb74c56e32..a685d02728 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -1419,6 +1419,19 @@
'raw': 'BlockdevRef' } }
##
+# @QuorumReadPattern
+#
+# An enumeration of quorum read patterns.
+#
+# @quorum: read all the children and do a quorum vote on reads
+#
+# @fifo: read only from the first child that has not failed
+#
+# Since: 2.2
+##
+{ 'enum': 'QuorumReadPattern', 'data': [ 'quorum', 'fifo' ] }
+
+##
# @BlockdevOptionsQuorum
#
# Driver specific block device options for Quorum
@@ -1433,12 +1446,17 @@
# @rewrite-corrupted: #optional rewrite corrupted data when quorum is reached
# (Since 2.1)
#
+# @read-pattern: #optional choose read pattern and set to quorum by default
+# (Since 2.2)
+#
# Since: 2.0
##
{ 'type': 'BlockdevOptionsQuorum',
'data': { '*blkverify': 'bool',
'children': [ 'BlockdevRef' ],
- 'vote-threshold': 'int', '*rewrite-corrupted': 'bool' } }
+ 'vote-threshold': 'int',
+ '*rewrite-corrupted': 'bool',
+ '*read-pattern': 'QuorumReadPattern' } }
##
# @BlockdevOptions