ceph: add CEPH_FEATURE_FLOCK to the supported feature bits

This informs the server that we will accept v2 client_caps format and v2
client_reconnect format messages.
Signed-off-by: NGreg Farnum <gregf@hq.newdream.net>
Signed-off-by: NSage Weil <sage@newdream.net>

fs/ceph/super.h

@@ -33,7 +33,7 @@
 /*
  * Supported features
  */
-#define CEPH_FEATURE_SUPPORTED CEPH_FEATURE_NOSRCADDR
+#define CEPH_FEATURE_SUPPORTED CEPH_FEATURE_NOSRCADDR | CEPH_FEATURE_FLOCK
 #define CEPH_FEATURE_REQUIRED  CEPH_FEATURE_NOSRCADDR
 
 /*