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qapi: add read-pattern enum for quorum

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Cc: Eric Blake <eblake@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Benoît Canet <benoit.canet@nodalink.com>
Signed-off-by: Liu Yuan <namei.unix@gmail.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Liu Yuan 2014-08-18 17:41:04 +08:00 committed by Stefan Hajnoczi
parent 38890b246d
commit 62c6031f96
1 changed files with 19 additions and 1 deletions
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20
qapi/block-core.json
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@ -1418,6 +1418,19 @@
'data': { 'test': 'BlockdevRef', 'data': { 'test': 'BlockdevRef',
'raw': '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 # @BlockdevOptionsQuorum
# #
@ -1433,12 +1446,17 @@
# @rewrite-corrupted: #optional rewrite corrupted data when quorum is reached # @rewrite-corrupted: #optional rewrite corrupted data when quorum is reached
# (Since 2.1) # (Since 2.1)
# #
# @read-pattern: #optional choose read pattern and set to quorum by default
# (Since 2.2)
#
# Since: 2.0 # Since: 2.0
## ##
{ 'type': 'BlockdevOptionsQuorum', { 'type': 'BlockdevOptionsQuorum',
'data': { '*blkverify': 'bool', 'data': { '*blkverify': 'bool',
'children': [ 'BlockdevRef' ], 'children': [ 'BlockdevRef' ],
'vote-threshold': 'int', '*rewrite-corrupted': 'bool' } } 'vote-threshold': 'int',
'*rewrite-corrupted': 'bool',
'*read-pattern': 'QuorumReadPattern' } }
## ##
# @BlockdevOptions # @BlockdevOptions