[Qemu-devel] [PATCH v4 1/2] qmp event: Add QUORUM_FLUSH_ERROR

[Changlong Xie]

Signed-off-by: Wen Congyang <address@hidden>
Signed-off-by: Changlong Xie <address@hidden>
---
 block/quorum.c      |  5 +++++
 docs/qmp-events.txt | 18 ++++++++++++++++++
 qapi/event.json     | 16 ++++++++++++++++
 3 files changed, 39 insertions(+)

diff --git a/block/quorum.c b/block/quorum.c
index f78d4cb..d3c3958 100644
--- a/block/quorum.c
+++ b/block/quorum.c
@@ -235,6 +235,11 @@ static void quorum_report_failure(QuorumAIOCB *acb)
                                    acb->nb_sectors, &error_abort);
 }
 
+static void quorum_flush_error(char *node_name, const char *msg)
+{
+    qapi_event_send_quorum_flush_error(node_name, msg, &error_abort);
+}
+
 static int quorum_vote_error(QuorumAIOCB *acb);
 
 static bool quorum_has_too_much_io_failed(QuorumAIOCB *acb)
diff --git a/docs/qmp-events.txt b/docs/qmp-events.txt
index b6e8937..d777873 100644
--- a/docs/qmp-events.txt
+++ b/docs/qmp-events.txt
@@ -340,6 +340,24 @@ Example:
 
 Note: this event is rate-limited.
 
+QUORUM_FLUSH_ERROR
+-----------------
+
+Emitted to report flush error message of the Quorum block driver
+
+Data:
+
+- "node-name":     The graph node name of the block driver state.
+- "error":         This field contains a human-readable error message.  There 
are
+                   no semantics other than that the block layer reported an 
error
+                   and clients should not try to interpret the error string.
+
+Example:
+
+{ "event": "QUORUM_FLUSH_ERROR",
+     "data": { "node-name": "1.raw", "error": "xxxxxx" },
+     "timestamp": { "seconds": 1344522075, "microseconds": 745528 } }
+
 RESET
 -----
 
diff --git a/qapi/event.json b/qapi/event.json
index cfcc887..5b16706 100644
--- a/qapi/event.json
+++ b/qapi/event.json
@@ -358,6 +358,22 @@
             'sector-num': 'int', 'sectors-count': 'int' } }
 
 ##
+# @QUORUM_FLUSH_ERROR
+#
+# Emitted to report flush error message of the Quorum block driver
+#
+# @node-name: the graph node name of the block driver state
+#
+# @error: This field contains a human-readable error message. There are no 
semantics
+#         other than that the block layer reported an error and clients should 
not
+#         try to interpret the error string.
+#
+# Since: 2.5
+##
+{ 'event': 'QUORUM_FLUSH_ERROR',
+  'data': { 'node-name': 'str', 'error': 'str'} }
+
+##
 # @VSERPORT_CHANGE
 #
 # Emitted when the guest opens or closes a virtio-serial port.
-- 
1.9.3