1/*
2 * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
3 * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
4 *
5 * This copyrighted material is made available to anyone wishing to use,
6 * modify, copy, or redistribute it subject to the terms and conditions
7 * of the GNU General Public License version 2.
8 */
9
10#ifndef __LM_DOT_H__
11#define __LM_DOT_H__
12
13struct gfs2_sbd;
14
15#define GFS2_MIN_LVB_SIZE 32
16
17int gfs2_lm_mount(struct gfs2_sbd *sdp, int silent);
18void gfs2_lm_others_may_mount(struct gfs2_sbd *sdp);
19void gfs2_lm_unmount(struct gfs2_sbd *sdp);
20int gfs2_lm_withdraw(struct gfs2_sbd *sdp, char *fmt, ...)
21				__attribute__ ((format(printf, 2, 3)));
22int gfs2_lm_get_lock(struct gfs2_sbd *sdp, struct lm_lockname *name,
23		     void **lockp);
24void gfs2_lm_put_lock(struct gfs2_sbd *sdp, void *lock);
25unsigned int gfs2_lm_lock(struct gfs2_sbd *sdp, void *lock,
26			 unsigned int cur_state, unsigned int req_state,
27			 unsigned int flags);
28unsigned int gfs2_lm_unlock(struct gfs2_sbd *sdp, void *lock,
29			   unsigned int cur_state);
30void gfs2_lm_cancel(struct gfs2_sbd *sdp, void *lock);
31int gfs2_lm_hold_lvb(struct gfs2_sbd *sdp, void *lock, char **lvbp);
32void gfs2_lm_unhold_lvb(struct gfs2_sbd *sdp, void *lock, char *lvb);
33int gfs2_lm_plock_get(struct gfs2_sbd *sdp, struct lm_lockname *name,
34		      struct file *file, struct file_lock *fl);
35int gfs2_lm_plock(struct gfs2_sbd *sdp, struct lm_lockname *name,
36		  struct file *file, int cmd, struct file_lock *fl);
37int gfs2_lm_punlock(struct gfs2_sbd *sdp, struct lm_lockname *name,
38		    struct file *file, struct file_lock *fl);
39void gfs2_lm_recovery_done(struct gfs2_sbd *sdp, unsigned int jid,
40			   unsigned int message);
41
42#endif /* __LM_DOT_H__ */
43