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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};
31
32extern struct nlmsvc_binding * nlmsvc_ops;
33
34/*
35 * Similar to nfs_client_initdata, but without the NFS-specific
36 * rpc_ops field.
37 */
38struct nlmclnt_initdata {
39 const char *hostname;
40 const struct sockaddr *address;
41 size_t addrlen;
42 unsigned short protocol;
43 u32 nfs_version;
44 int noresvport;
45};
46
47/*
48 * Functions exported by the lockd module
49 */
50
51extern struct nlm_host *nlmclnt_init(const struct nlmclnt_initdata *nlm_init);
52extern void nlmclnt_done(struct nlm_host *host);
53
54extern int nlmclnt_proc(struct nlm_host *host, int cmd,
55 struct file_lock *fl);
56extern int lockd_up(void);
57extern void lockd_down(void);
58
59#endif /* LINUX_LOCKD_BIND_H */