bind.h revision 9a8db97e7756119689c93c431e8b8324080f5625 
1/*
2 * linux/include/linux/lockd/bind.h
3 *
4 * This is the part of lockd visible to nfsd and the nfs client.
5 *
6 * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
7 */
8
9#ifndef LINUX_LOCKD_BIND_H
10#define LINUX_LOCKD_BIND_H
11
12#include <linux/lockd/nlm.h>
13/* need xdr-encoded error codes too, so... */
14#include <linux/lockd/xdr.h>
15#ifdef CONFIG_LOCKD_V4
16#include <linux/lockd/xdr4.h>
17#endif
18
19/* Dummy declarations */
20struct svc_rqst;
21
22/*
23 * This is the set of functions for lockd->nfsd communication
24 */
25struct nlmsvc_binding {
26	__be32			(*fopen)(struct svc_rqst *,
27						struct nfs_fh *,
28						struct file **);
29	void			(*fclose)(struct file *);
30	unsigned long		(*get_grace_period)(void);
31};
32
33extern struct nlmsvc_binding *	nlmsvc_ops;
34
35/*
36 * Functions exported by the lockd module
37 */
38extern int	nlmclnt_proc(struct inode *, int, struct file_lock *);
39extern int	lockd_up(int proto);
40extern void	lockd_down(void);
41
42unsigned long get_nfs_grace_period(void);
43
44#ifdef CONFIG_NFSD_V4
45unsigned long get_nfs4_grace_period(void);
46#else
47static inline unsigned long get_nfs4_grace_period(void) {return 0;}
48#endif
49
50#endif /* LINUX_LOCKD_BIND_H */
51