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-rw-r--r--blockdev.c15
-rw-r--r--qapi-schema.json13
2 files changed, 27 insertions, 1 deletions
diff --git a/blockdev.c b/blockdev.c
index 6200c0dc0a..b3a57e0c1d 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -963,6 +963,16 @@ static void drive_backup_abort(BlkTransactionState *common)
}
}
+static void abort_prepare(BlkTransactionState *common, Error **errp)
+{
+ error_setg(errp, "Transaction aborted using Abort action");
+}
+
+static void abort_commit(BlkTransactionState *common)
+{
+ assert(false); /* this action never succeeds */
+}
+
static const BdrvActionOps actions[] = {
[TRANSACTION_ACTION_KIND_BLOCKDEV_SNAPSHOT_SYNC] = {
.instance_size = sizeof(ExternalSnapshotState),
@@ -975,6 +985,11 @@ static const BdrvActionOps actions[] = {
.prepare = drive_backup_prepare,
.abort = drive_backup_abort,
},
+ [TRANSACTION_ACTION_KIND_ABORT] = {
+ .instance_size = sizeof(BlkTransactionState),
+ .prepare = abort_prepare,
+ .commit = abort_commit,
+ },
};
/*
diff --git a/qapi-schema.json b/qapi-schema.json
index 714108dc12..6590307812 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -1660,6 +1660,16 @@
'*on-target-error': 'BlockdevOnError' } }
##
+# @Abort
+#
+# This action can be used to test transaction failure.
+#
+# Since: 1.6
+###
+{ 'type': 'Abort',
+ 'data': { } }
+
+##
# @TransactionAction
#
# A discriminated record of operations that can be performed with
@@ -1668,7 +1678,8 @@
{ 'union': 'TransactionAction',
'data': {
'blockdev-snapshot-sync': 'BlockdevSnapshot',
- 'drive-backup': 'DriveBackup'
+ 'drive-backup': 'DriveBackup',
+ 'abort': 'Abort'
} }
##