tests: Disable image lock in test-replication

The COLO block replication architecture requires one disk to be shared
between primary and secondary, in the test both processes use posix file
protocol (instead of over NBD) so it is affected by image locking.
Disable the lock.
Signed-off-by: NFam Zheng <famz@redhat.com>
Signed-off-by: NKevin Wolf <kwolf@redhat.com>

tests/test-replication.c

@@ -179,7 +179,8 @@ static BlockBackend *start_primary(void)
     char *cmdline;
 
     cmdline = g_strdup_printf("driver=replication,mode=primary,node-name=xxx,"
-                              "file.driver=qcow2,file.file.filename=%s"
+                              "file.driver=qcow2,file.file.filename=%s,"
+                              "file.file.locking=off"
                               , p_local_disk);
     opts = qemu_opts_parse_noisily(&qemu_drive_opts, cmdline, false);
     g_free(cmdline);
@@ -310,7 +311,9 @@ static BlockBackend *start_secondary(void)
     Error *local_err = NULL;
 
     /* add s_local_disk and forge S_LOCAL_DISK_ID */
-    cmdline = g_strdup_printf("file.filename=%s,driver=qcow2", s_local_disk);
+    cmdline = g_strdup_printf("file.filename=%s,driver=qcow2,"
+                              "file.locking=off",
+                              s_local_disk);
     opts = qemu_opts_parse_noisily(&qemu_drive_opts, cmdline, false);
     g_free(cmdline);
 
@@ -331,8 +334,10 @@ static BlockBackend *start_secondary(void)
     /* add S_(ACTIVE/HIDDEN)_DISK and forge S_ID */
     cmdline = g_strdup_printf("driver=replication,mode=secondary,top-id=%s,"
                               "file.driver=qcow2,file.file.filename=%s,"
+                              "file.file.locking=off,"
                               "file.backing.driver=qcow2,"
                               "file.backing.file.filename=%s,"
+                              "file.backing.file.locking=off,"
                               "file.backing.backing=%s"
                               , S_ID, s_active_disk, s_hidden_disk
                               , S_LOCAL_DISK_ID);