ceph-volume util.prepare extend flags when found

Signed-off-by: Alfredo Deza <adeza@redhat.com>

diff --git a/src/ceph-volume/ceph_volume/util/prepare.py b/src/ceph-volume/ceph_volume/util/prepare.py
index 8d8de6ee7631ea50b4afd6d79d1a81d02cfadf87..da9375fb7b322c133720c3dad1d97e0ba871ae80 100644 (file)
--- a/src/ceph-volume/ceph_volume/util/prepare.py
+++ b/src/ceph-volume/ceph_volume/util/prepare.py
@@ -153,7 +153,7 @@ def mount_osd(device, osd_id):
         default=constants.mount.get('xfs'),
         split=' ',
     )
-    command.append(flags)
+    command.extend(flags)
     command.append(device)
     command.append(destination)
     process.run(command)