diff --git a/fs/gfs2/lm.h b/fs/gfs2/lm.h
new file mode 100644
index 0000000..ec81242
--- /dev/null
+++ b/fs/gfs2/lm.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
+ * Copyright (C) 2004-2005 Red Hat, Inc.  All rights reserved.
+ *
+ * This copyrighted material is made available to anyone wishing to use,
+ * modify, copy, or redistribute it subject to the terms and conditions
+ * of the GNU General Public License v.2.
+ */
+
+#ifndef __LM_DOT_H__
+#define __LM_DOT_H__
+
+int gfs2_lm_mount(struct gfs2_sbd *sdp, int silent);
+void gfs2_lm_others_may_mount(struct gfs2_sbd *sdp);
+void gfs2_lm_unmount(struct gfs2_sbd *sdp);
+int gfs2_lm_withdraw(struct gfs2_sbd *sdp, char *fmt, ...)
+__attribute__ ((format(printf, 2, 3)));
+int gfs2_lm_get_lock(struct gfs2_sbd *sdp,
+		    struct lm_lockname *name, lm_lock_t **lockp);
+void gfs2_lm_put_lock(struct gfs2_sbd *sdp, lm_lock_t *lock);
+unsigned int gfs2_lm_lock(struct gfs2_sbd *sdp, lm_lock_t *lock,
+			 unsigned int cur_state, unsigned int req_state,
+			 unsigned int flags);
+unsigned int gfs2_lm_unlock(struct gfs2_sbd *sdp, lm_lock_t *lock,
+			   unsigned int cur_state);
+void gfs2_lm_cancel(struct gfs2_sbd *sdp, lm_lock_t *lock);
+int gfs2_lm_hold_lvb(struct gfs2_sbd *sdp, lm_lock_t *lock, char **lvbp);
+void gfs2_lm_unhold_lvb(struct gfs2_sbd *sdp, lm_lock_t *lock, char *lvb);
+void gfs2_lm_sync_lvb(struct gfs2_sbd *sdp, lm_lock_t *lock, char *lvb);
+int gfs2_lm_plock_get(struct gfs2_sbd *sdp,
+		     struct lm_lockname *name,
+		     struct file *file, struct file_lock *fl);
+int gfs2_lm_plock(struct gfs2_sbd *sdp,
+		 struct lm_lockname *name,
+		 struct file *file, int cmd, struct file_lock *fl);
+int gfs2_lm_punlock(struct gfs2_sbd *sdp,
+		   struct lm_lockname *name,
+		   struct file *file, struct file_lock *fl);
+void gfs2_lm_recovery_done(struct gfs2_sbd *sdp,
+			  unsigned int jid, unsigned int message);
+
+#endif /* __LM_DOT_H__ */