Add a new internal-autosync API to perform autosync.

[libguestfs.git] / daemon / sync.c

diff --git a/daemon/sync.c b/daemon/sync.c
index b848ab5..25c7de8 100644 (file)
--- a/daemon/sync.c
+++ b/daemon/sync.c
@@ -43,6 +43,23 @@ do_sync (void)
   return 0;
 }
 
+/* Older versions of libguestfs used to issue separate 'umount_all'
+ * and 'sync' commands just before closing the handle.  Since
+ * libguestfs 1.9.7 the library issues this 'internal_autosync'
+ * internal operation instead, allowing more control in the daemon.
+ */
+int
+do_internal_autosync (void)
+{
+  int r;
+
+  r = do_umount_all ();
+
+  sync_disks ();
+
+  return r;
+}
+
 /* This is a replacement for sync(2) which is called from
  * this file and from other places in the daemon.  It works
  * on Windows too.