blob: dbef88852ef300a69bde1c3aeb3f6aa4a290a2ec [file] [log] [blame]
David Teiglandb3b94fa2006-01-16 16:50:04 +00001/*
2 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
Steven Whitehouse3a8a9a12006-05-18 15:09:15 -04003 * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
David Teiglandb3b94fa2006-01-16 16:50:04 +00004 *
5 * This copyrighted material is made available to anyone wishing to use,
6 * modify, copy, or redistribute it subject to the terms and conditions
Steven Whitehousee9fc2aa2006-09-01 11:05:15 -04007 * of the GNU General Public License version 2.
David Teiglandb3b94fa2006-01-16 16:50:04 +00008 */
9
10#ifndef __LM_DOT_H__
11#define __LM_DOT_H__
12
Steven Whitehousee9fc2aa2006-09-01 11:05:15 -040013#define GFS2_MIN_LVB_SIZE 32
14
David Teiglandb3b94fa2006-01-16 16:50:04 +000015int gfs2_lm_mount(struct gfs2_sbd *sdp, int silent);
16void gfs2_lm_others_may_mount(struct gfs2_sbd *sdp);
17void gfs2_lm_unmount(struct gfs2_sbd *sdp);
18int gfs2_lm_withdraw(struct gfs2_sbd *sdp, char *fmt, ...)
Steven Whitehouse50299962006-09-04 09:49:55 -040019 __attribute__ ((format(printf, 2, 3)));
20int gfs2_lm_get_lock(struct gfs2_sbd *sdp, struct lm_lockname *name,
21 lm_lock_t **lockp);
David Teiglandb3b94fa2006-01-16 16:50:04 +000022void gfs2_lm_put_lock(struct gfs2_sbd *sdp, lm_lock_t *lock);
23unsigned int gfs2_lm_lock(struct gfs2_sbd *sdp, lm_lock_t *lock,
24 unsigned int cur_state, unsigned int req_state,
25 unsigned int flags);
26unsigned int gfs2_lm_unlock(struct gfs2_sbd *sdp, lm_lock_t *lock,
27 unsigned int cur_state);
28void gfs2_lm_cancel(struct gfs2_sbd *sdp, lm_lock_t *lock);
29int gfs2_lm_hold_lvb(struct gfs2_sbd *sdp, lm_lock_t *lock, char **lvbp);
30void gfs2_lm_unhold_lvb(struct gfs2_sbd *sdp, lm_lock_t *lock, char *lvb);
Steven Whitehouse50299962006-09-04 09:49:55 -040031int gfs2_lm_plock_get(struct gfs2_sbd *sdp, struct lm_lockname *name,
32 struct file *file, struct file_lock *fl);
33int gfs2_lm_plock(struct gfs2_sbd *sdp, struct lm_lockname *name,
34 struct file *file, int cmd, struct file_lock *fl);
35int gfs2_lm_punlock(struct gfs2_sbd *sdp, struct lm_lockname *name,
36 struct file *file, struct file_lock *fl);
37void gfs2_lm_recovery_done(struct gfs2_sbd *sdp, unsigned int jid,
38 unsigned int message);
David Teiglandb3b94fa2006-01-16 16:50:04 +000039
40#endif /* __LM_DOT_H__ */