linux/fs/nfsd/netns.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * per net namespace data structures for nfsd
 *
 * Copyright (C) 2012, Jeff Layton <[email protected]>
 */

#ifndef __NFSD_NETNS_H__
#define __NFSD_NETNS_H__

#include <net/net_namespace.h>
#include <net/netns/generic.h>
#include <linux/filelock.h>
#include <linux/nfs4.h>
#include <linux/percpu_counter.h>
#include <linux/siphash.h>
#include <linux/sunrpc/stats.h>

/* Hash tables for nfs4_clientid state */
#define CLIENT_HASH_BITS …
#define CLIENT_HASH_SIZE …
#define CLIENT_HASH_MASK …

#define SESSION_HASH_SIZE …

struct cld_net;
struct nfsd4_client_tracking_ops;

enum { … };

/*
 * Represents a nfsd "container". With respect to nfsv4 state tracking, the
 * fields of interest are the *_id_hashtbls and the *_name_tree. These track
 * the nfs4_client objects by either short or long form clientid.
 *
 * Each nfsd_net runs a nfs4_laundromat workqueue job when necessary to clean
 * up expired clients and delegations within the container.
 */
struct nfsd_net { … };

/* Simple check to find out if a given net was properly initialized */
#define nfsd_netns_ready(nn) …

extern bool nfsd_support_version(int vers);
extern void nfsd_netns_free_versions(struct nfsd_net *nn);

extern unsigned int nfsd_net_id;

void nfsd_copy_write_verifier(__be32 verf[2], struct nfsd_net *nn);
void nfsd_reset_write_verifier(struct nfsd_net *nn);
#endif /* __NFSD_NETNS_H__ */