[PATCH v5 1/9] qapi/block-core: Add retry option for error action

[Jiahui Cen]

Add a new error action 'retry' to support retry on errors.

Signed-off-by: Jiahui Cen <cenjia...@huawei.com>
Signed-off-by: Ying Fang <fangyi...@huawei.com>
---
 blockdev.c           | 2 ++
 qapi/block-core.json | 9 +++++++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/blockdev.c b/blockdev.c
index b250b9b959..ece1d8ae58 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -342,6 +342,8 @@ static int parse_block_error_action(const char *buf, bool 
is_read, Error **errp)
         return BLOCKDEV_ON_ERROR_STOP;
     } else if (!strcmp(buf, "report")) {
         return BLOCKDEV_ON_ERROR_REPORT;
+    } else if (!strcmp(buf, "retry")) {
+        return BLOCKDEV_ON_ERROR_RETRY;
     } else {
         error_setg(errp, "'%s' invalid %s error action",
                    buf, is_read ? "read" : "write");
diff --git a/qapi/block-core.json b/qapi/block-core.json
index 9f555d5c1d..30ea43cb77 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -1143,10 +1143,13 @@
 #
 # @auto: inherit the error handling policy of the backend (since: 2.7)
 #
+# @retry: for guest operations, retry the failing request; (since: 6.0)
+#         for jobs, not supported
+#
 # Since: 1.3
 ##
 { 'enum': 'BlockdevOnError',
-  'data': ['report', 'ignore', 'enospc', 'stop', 'auto'] }
+  'data': ['report', 'ignore', 'enospc', 'stop', 'auto', 'retry'] }
 
 ##
 # @MirrorSyncMode:
@@ -4839,10 +4842,12 @@
 #
 # @stop: error caused VM to be stopped
 #
+# @retry: error has been retried (since: 6.0)
+#
 # Since: 2.1
 ##
 { 'enum': 'BlockErrorAction',
-  'data': [ 'ignore', 'report', 'stop' ] }
+  'data': [ 'ignore', 'report', 'stop', 'retry' ] }
 
 
 ##
-- 
2.29.2