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: Greg Farnum <gregf@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 281e458..83f7cc5 100644
--- a/fs/ceph/super.h
+++ b/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
 
 /*