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[Qemu-devel] [PULL 08/35] qapi: add read-pattern enum for quorum
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PULL 08/35] qapi: add read-pattern enum for quorum |
Date: |
Fri, 29 Aug 2014 17:29:36 +0100 |
From: Liu Yuan <address@hidden>
Cc: Eric Blake <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Reviewed-by: Benoît Canet <address@hidden>
Signed-off-by: Liu Yuan <address@hidden>
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
qapi/block-core.json | 20 +++++++++++++++++++-
1 file changed, 19 insertions(+), 1 deletion(-)
diff --git a/qapi/block-core.json b/qapi/block-core.json
index fb74c56..a685d02 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
--
1.9.3
- [Qemu-devel] [PULL 00/35] Block patches, Stefan Hajnoczi, 2014/08/29
- [Qemu-devel] [PULL 01/35] ide: Fix bootindex for bus_id > 9, Stefan Hajnoczi, 2014/08/29
- [Qemu-devel] [PULL 02/35] block.curl: adding 'timeout' option, Stefan Hajnoczi, 2014/08/29
- [Qemu-devel] [PULL 03/35] qemu-img: fix img_commit() error return value, Stefan Hajnoczi, 2014/08/29
- [Qemu-devel] [PULL 04/35] qemu-img: fix img_compare() flags error path, Stefan Hajnoczi, 2014/08/29
- [Qemu-devel] [PULL 05/35] qemu-img: always goto out in img_snapshot() error paths, Stefan Hajnoczi, 2014/08/29
- [Qemu-devel] [PULL 08/35] qapi: add read-pattern enum for quorum,
Stefan Hajnoczi <=
- [Qemu-devel] [PULL 10/35] coroutine: Drop co_sleep_ns, Stefan Hajnoczi, 2014/08/29
- [Qemu-devel] [PULL 09/35] block/quorum: add simple read pattern support, Stefan Hajnoczi, 2014/08/29
- [Qemu-devel] [PULL 11/35] blockdev: fix drive-mirror 'granularity' error message, Stefan Hajnoczi, 2014/08/29
- [Qemu-devel] [PULL 12/35] AioContext: take bottom halves into account when computing aio_poll timeout, Stefan Hajnoczi, 2014/08/29
- [Qemu-devel] [PULL 07/35] sheepdog: improve error handling for a case of failed lock, Stefan Hajnoczi, 2014/08/29
- [Qemu-devel] [PULL 13/35] aio-win32: Evaluate timers after handles, Stefan Hajnoczi, 2014/08/29
- [Qemu-devel] [PULL 06/35] sheepdog: adopting protocol update for VDI locking, Stefan Hajnoczi, 2014/08/29
- [Qemu-devel] [PULL 14/35] aio-win32: Factor out duplicate code into aio_dispatch_handlers, Stefan Hajnoczi, 2014/08/29
- [Qemu-devel] [PULL 15/35] AioContext: run bottom halves after polling, Stefan Hajnoczi, 2014/08/29