ceph: fix up comment for ceph_count_locks() as to which lock to hold

Signed-off-by: Jim Schutt <jaschut@sandia.gov>
Reviewed-by: Alex Elder <elder@inktank.com>
diff --git a/fs/ceph/locks.c b/fs/ceph/locks.c
index ebbf680..8978851 100644
--- a/fs/ceph/locks.c
+++ b/fs/ceph/locks.c
@@ -169,7 +169,7 @@
 }
 
 /**
- * Must be called with BKL already held. Fills in the passed
+ * Must be called with lock_flocks() already held. Fills in the passed
  * counter variables, so you can prepare pagelist metadata before calling
  * ceph_encode_locks.
  */