fs/lock: documentation cleanup. Replace inode->i_lock with flc_lock.

Update lock usage of lock_manager_operations' functions to reflect
the changes in commit 6109c85 ("locks: add a dedicated spinlock
to protect i_flctx lists").

Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>

Author: daimngo

Documentation/filesystems/locking.rst

@@ -438,13 +438,13 @@ prototypes::
 locking rules:
 
 ======================	=============	=================	=========
-ops			inode->i_lock	blocked_lock_lock	may block
+ops			   flc_lock  	blocked_lock_lock	may block
 ======================	=============	=================	=========
-lm_notify:		yes		yes			no
+lm_notify:		no      	yes			no
 lm_grant:		no		no			no
 lm_break:		yes		no			no
 lm_change		yes		no			no
-lm_breaker_owns_lease:	no		no			no
+lm_breaker_owns_lease:	yes     	no			no
 ======================	=============	=================	=========
 
 buffer_head