rbd: add 'cluster_fsid' sysfs rbd device attribute

Export the cluster fsid, so tools like udev and multipath-tools can use it for part of the uuid. Signed-off-by: Mike Christie <mchristi@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2016-08-18 18:38:43 +02:00
parent 005a07bf0a
commit 267fb90b83
2 changed files with 14 additions and 0 deletions
@@ -53,6 +53,10 @@ client_id

 	The ceph unique client id that was assigned for this specific session.

+cluster_fsid
+
+	The ceph cluster UUID.  (August 2016, since 4.9.)
+
 features

 	A hexadecimal encoding of the feature bits for this image.