tmp_suning_uos_patched/fs/gfs2/lm.h
Steven Whitehouse 5029996547 [GFS2] Tidy up locking code
As per Jan Engelhardt's second email, this removes some unused code,
and fixes up indenting in various places.

Cc: Jan Engelhardt <jengelh@linux01.gwdg.de>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-09-04 09:49:55 -04:00

41 lines
1.7 KiB
C

/*
* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
* Copyright (C) 2004-2006 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 version 2.
*/
#ifndef __LM_DOT_H__
#define __LM_DOT_H__
#define GFS2_MIN_LVB_SIZE 32
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);
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__ */