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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 */