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File Content: bind.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * 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;
struct rpc_task;
struct rpc_clnt;

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

extern const 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;
	int			noresvport;
	struct net		*net;
	const struct nlmclnt_operations	*nlmclnt_ops;
	const struct cred	*cred;
};

/*
 * 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 struct rpc_clnt *nlmclnt_rpc_clnt(struct nlm_host *host);

/*
 * NLM client operations provide a means to modify RPC processing of NLM
 * requests.  Callbacks receive a pointer to data passed into the call to
 * nlmclnt_proc().
 */
struct nlmclnt_operations {
	/* Called on successful allocation of nlm_rqst, use for allocation or
	 * reference counting. */
	void (*nlmclnt_alloc_call)(void *);

/* Called in rpc_task_prepare for unlock.  A return value of true
	 * indicates the callback has put the task to sleep on a waitqueue
	 * and NLM should not call rpc_call_start(). */
	bool (*nlmclnt_unlock_prepare)(struct rpc_task*, void *);

/* Called when the nlm_rqst is freed, callbacks should clean up here */
	void (*nlmclnt_release_call)(void *);
};

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

#endif /* LINUX_LOCKD_BIND_H */

Name	Size	Permission
bind.h	2307 bytes	0644
debug.h	827 bytes	0644
lockd.h	12222 bytes	0644
nlm.h	1354 bytes	0644
share.h	878 bytes	0644
xdr.h	2990 bytes	0644
xdr4.h	1723 bytes	0644

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