root/include/linux/lockd/bind.h

INCLUDED FROM

/*
 * linux/include/linux/lockd/bind.h
 *
 * This is the part of lockd visible to nfsd and the nfs client.
 *
 * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
 */

#ifndef LINUX_LOCKD_BIND_H
#define LINUX_LOCKD_BIND_H

#include <linux/lockd/nlm.h>
/* need xdr-encoded error codes too, so... */
#include <linux/lockd/xdr.h>
#ifdef CONFIG_LOCKD_V4
#include <linux/lockd/xdr4.h>
#endif

/* Dummy declarations */
struct svc_rqst;

/*
 * This is the set of functions for lockd->nfsd communication
 */
struct nlmsvc_binding {
        __be32                  (*fopen)(struct svc_rqst *,
                                                struct nfs_fh *,
                                                struct file **);
        void                    (*fclose)(struct file *);
};

extern struct nlmsvc_binding *  nlmsvc_ops;

/*
 * Similar to nfs_client_initdata, but without the NFS-specific
 * rpc_ops field.
 */
struct nlmclnt_initdata {
        const char              *hostname;
        const struct sockaddr   *address;
        size_t                  addrlen;
        unsigned short          protocol;
        u32                     nfs_version;
};

/*
 * Functions exported by the lockd module
 */

extern struct nlm_host *nlmclnt_init(const struct nlmclnt_initdata *nlm_init);
extern void     nlmclnt_done(struct nlm_host *host);

extern int      nlmclnt_proc(struct nlm_host *host, int cmd,
                                        struct file_lock *fl);
extern int      lockd_up(void);
extern void     lockd_down(void);

#endif /* LINUX_LOCKD_BIND_H */