1 files changed, 5 insertions, 0 deletions
diff --git a/daemon/btrfs.c b/daemon/btrfs.c
index 8ecde019..8b80475e 100644
--- a/daemon/btrfs.c
+++ b/daemon/btrfs.c
@@ -204,6 +204,11 @@ do_mkfs_btrfs (char *const *devices,
     return -1;
   }
 
+  /* Workaround for RHBZ#863978, possibly in kernel 3.7.0.  Can be
+   * fixed when we work out what's going on upstream.
+   */
+  sync_disks ();
+
   free (err);
   return 0;
 }