From 62c6031f96997d864edfc49304e9f50d9496907a Mon Sep 17 00:00:00 2001 From: Liu Yuan Date: Mon, 18 Aug 2014 17:41:04 +0800 Subject: qapi: add read-pattern enum for quorum MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Eric Blake Reviewed-by: Eric Blake Reviewed-by: BenoƮt Canet Signed-off-by: Liu Yuan Signed-off-by: Stefan Hajnoczi --- qapi/block-core.json | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) (limited to 'qapi/block-core.json') 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 @@ -1418,6 +1418,19 @@ 'data': { 'test': 'BlockdevRef', '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 # @@ -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 -- cgit v1.2.3