linux-stable/fs/gfs2/lm.h
Steven Whitehouse 9b47c11d1c [GFS2] Use void * instead of typedef for locking module interface
As requested by Jan Engelhardt, this removes the typedefs in the
locking module interface and replaces them with void *. Also
since we are changing the interface, I've added a few consts
as well.

Cc: Jan Engelhardt <jengelh@linux01.gwdg.de>
Cc: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-09-08 10:17:58 -04:00

42 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__
struct gfs2_sbd;
#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,
void **lockp);
void gfs2_lm_put_lock(struct gfs2_sbd *sdp, void *lock);
unsigned int gfs2_lm_lock(struct gfs2_sbd *sdp, void *lock,
unsigned int cur_state, unsigned int req_state,
unsigned int flags);
unsigned int gfs2_lm_unlock(struct gfs2_sbd *sdp, void *lock,
unsigned int cur_state);
void gfs2_lm_cancel(struct gfs2_sbd *sdp, void *lock);
int gfs2_lm_hold_lvb(struct gfs2_sbd *sdp, void *lock, char **lvbp);
void gfs2_lm_unhold_lvb(struct gfs2_sbd *sdp, void *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__ */