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path: root/fs/gfs2/lm.h
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/*
 * 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__ */