| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Stanislav Kinsbursky | 683 | 21.61% | 18 | 15.38% |
| Jamie Lokier | 425 | 13.45% | 1 | 0.85% |
| Linus Torvalds (pre-git) | 412 | 13.04% | 9 | 7.69% |
| Scott Mayhew | 327 | 10.35% | 3 | 2.56% |
| Neil Brown | 240 | 7.59% | 9 | 7.69% |
| Vasily Averin | 218 | 6.90% | 5 | 4.27% |
| Chuck Lever | 161 | 5.09% | 9 | 7.69% |
| Jeff Layton | 140 | 4.43% | 9 | 7.69% |
| J. Bruce Fields | 114 | 3.61% | 6 | 5.13% |
| Linus Torvalds | 95 | 3.01% | 5 | 4.27% |
| Trond Myklebust | 92 | 2.91% | 9 | 7.69% |
| Olaf Kirch | 69 | 2.18% | 2 | 1.71% |
| Christoph Hellwig | 43 | 1.36% | 2 | 1.71% |
| Tom Tucker | 28 | 0.89% | 3 | 2.56% |
| Dave Jones | 17 | 0.54% | 1 | 0.85% |
| Marc Eshel | 14 | 0.44% | 1 | 0.85% |
| Adrian Bunk | 14 | 0.44% | 2 | 1.71% |
| Ingo Molnar | 12 | 0.38% | 2 | 1.71% |
| Steve Dickson | 10 | 0.32% | 1 | 0.85% |
| Andrey Ryabinin | 8 | 0.25% | 1 | 0.85% |
| Pavel Emelyanov | 6 | 0.19% | 2 | 1.71% |
| Rafael J. Wysocki | 6 | 0.19% | 1 | 0.85% |
| Kees Cook | 5 | 0.16% | 3 | 2.56% |
| Rusty Russell | 5 | 0.16% | 2 | 1.71% |
| Eric W. Biedermann | 3 | 0.09% | 1 | 0.85% |
| Joe Perches | 3 | 0.09% | 1 | 0.85% |
| Colin Ian King | 2 | 0.06% | 1 | 0.85% |
| Alexey Dobriyan | 1 | 0.03% | 1 | 0.85% |
| David S. Miller | 1 | 0.03% | 1 | 0.85% |
| Julia Lawall | 1 | 0.03% | 1 | 0.85% |
| David Howells | 1 | 0.03% | 1 | 0.85% |
| Geliang Tang | 1 | 0.03% | 1 | 0.85% |
| Tobias Klauser | 1 | 0.03% | 1 | 0.85% |
| Thomas Gleixner | 1 | 0.03% | 1 | 0.85% |
| Robert P. J. Day | 1 | 0.03% | 1 | 0.85% |
| Total | 3160 | 117 |
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// SPDX-License-Identifier: GPL-2.0-only /* * linux/fs/lockd/svc.c * * This is the central lockd service. * * FIXME: Separate the lockd NFS server functionality from the lockd NFS * client functionality. Oh why didn't Sun create two separate * services in the first place? * * Authors: Olaf Kirch (okir@monad.swb.de) * * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de> */ #include <linux/module.h> #include <linux/init.h> #include <linux/sysctl.h> #include <linux/moduleparam.h> #include <linux/sched/signal.h> #include <linux/errno.h> #include <linux/in.h> #include <linux/uio.h> #include <linux/smp.h> #include <linux/mutex.h> #include <linux/kthread.h> #include <linux/freezer.h> #include <linux/inetdevice.h> #include <linux/sunrpc/types.h> #include <linux/sunrpc/stats.h> #include <linux/sunrpc/clnt.h> #include <linux/sunrpc/svc.h> #include <linux/sunrpc/svcsock.h> #include <linux/sunrpc/svc_xprt.h> #include <net/ip.h> #include <net/addrconf.h> #include <net/ipv6.h> #include <linux/lockd/lockd.h> #include <linux/nfs.h> #include "netns.h" #include "procfs.h" #define NLMDBG_FACILITY NLMDBG_SVC #define LOCKD_BUFSIZE (1024 + NLMSVC_XDRSIZE) #define ALLOWED_SIGS (sigmask(SIGKILL)) static struct svc_program nlmsvc_program; const struct nlmsvc_binding *nlmsvc_ops; EXPORT_SYMBOL_GPL(nlmsvc_ops); static DEFINE_MUTEX(nlmsvc_mutex); static unsigned int nlmsvc_users; static struct task_struct *nlmsvc_task; static struct svc_rqst *nlmsvc_rqst; unsigned long nlmsvc_timeout; static atomic_t nlm_ntf_refcnt = ATOMIC_INIT(0); static DECLARE_WAIT_QUEUE_HEAD(nlm_ntf_wq); unsigned int lockd_net_id; /* * These can be set at insmod time (useful for NFS as root filesystem), * and also changed through the sysctl interface. -- Jamie Lokier, Aug 2003 */ static unsigned long nlm_grace_period; static unsigned long nlm_timeout = LOCKD_DFLT_TIMEO; static int nlm_udpport, nlm_tcpport; /* RLIM_NOFILE defaults to 1024. That seems like a reasonable default here. */ static unsigned int nlm_max_connections = 1024; /* * Constants needed for the sysctl interface. */ static const unsigned long nlm_grace_period_min = 0; static const unsigned long nlm_grace_period_max = 240; static const unsigned long nlm_timeout_min = 3; static const unsigned long nlm_timeout_max = 20; static const int nlm_port_min = 0, nlm_port_max = 65535; #ifdef CONFIG_SYSCTL static struct ctl_table_header * nlm_sysctl_table; #endif static unsigned long get_lockd_grace_period(void) { /* Note: nlm_timeout should always be nonzero */ if (nlm_grace_period) return roundup(nlm_grace_period, nlm_timeout) * HZ; else return nlm_timeout * 5 * HZ; } static void grace_ender(struct work_struct *grace) { struct delayed_work *dwork = to_delayed_work(grace); struct lockd_net *ln = container_of(dwork, struct lockd_net, grace_period_end); locks_end_grace(&ln->lockd_manager); } static void set_grace_period(struct net *net) { unsigned long grace_period = get_lockd_grace_period(); struct lockd_net *ln = net_generic(net, lockd_net_id); locks_start_grace(net, &ln->lockd_manager); cancel_delayed_work_sync(&ln->grace_period_end); schedule_delayed_work(&ln->grace_period_end, grace_period); } static void restart_grace(void) { if (nlmsvc_ops) { struct net *net = &init_net; struct lockd_net *ln = net_generic(net, lockd_net_id); cancel_delayed_work_sync(&ln->grace_period_end); locks_end_grace(&ln->lockd_manager); nlmsvc_invalidate_all(); set_grace_period(net); } } /* * This is the lockd kernel thread */ static int lockd(void *vrqstp) { int err = 0; struct svc_rqst *rqstp = vrqstp; struct net *net = &init_net; struct lockd_net *ln = net_generic(net, lockd_net_id); /* try_to_freeze() is called from svc_recv() */ set_freezable(); /* Allow SIGKILL to tell lockd to drop all of its locks */ allow_signal(SIGKILL); dprintk("NFS locking service started (ver " LOCKD_VERSION ").\n"); /* * The main request loop. We don't terminate until the last * NFS mount or NFS daemon has gone away. */ while (!kthread_should_stop()) { long timeout = MAX_SCHEDULE_TIMEOUT; RPC_IFDEBUG(char buf[RPC_MAX_ADDRBUFLEN]); /* update sv_maxconn if it has changed */ rqstp->rq_server->sv_maxconn = nlm_max_connections; if (signalled()) { flush_signals(current); restart_grace(); continue; } timeout = nlmsvc_retry_blocked(); /* * Find a socket with data available and call its * recvfrom routine. */ err = svc_recv(rqstp, timeout); if (err == -EAGAIN || err == -EINTR) continue; dprintk("lockd: request from %s\n", svc_print_addr(rqstp, buf, sizeof(buf))); svc_process(rqstp); } flush_signals(current); if (nlmsvc_ops) nlmsvc_invalidate_all(); nlm_shutdown_hosts(); cancel_delayed_work_sync(&ln->grace_period_end); locks_end_grace(&ln->lockd_manager); return 0; } static int create_lockd_listener(struct svc_serv *serv, const char *name, struct net *net, const int family, const unsigned short port, const struct cred *cred) { struct svc_xprt *xprt; xprt = svc_find_xprt(serv, name, net, family, 0); if (xprt == NULL) return svc_create_xprt(serv, name, net, family, port, SVC_SOCK_DEFAULTS, cred); svc_xprt_put(xprt); return 0; } static int create_lockd_family(struct svc_serv *serv, struct net *net, const int family, const struct cred *cred) { int err; err = create_lockd_listener(serv, "udp", net, family, nlm_udpport, cred); if (err < 0) return err; return create_lockd_listener(serv, "tcp", net, family, nlm_tcpport, cred); } /* * Ensure there are active UDP and TCP listeners for lockd. * * Even if we have only TCP NFS mounts and/or TCP NFSDs, some * local services (such as rpc.statd) still require UDP, and * some NFS servers do not yet support NLM over TCP. * * Returns zero if all listeners are available; otherwise a * negative errno value is returned. */ static int make_socks(struct svc_serv *serv, struct net *net, const struct cred *cred) { static int warned; int err; err = create_lockd_family(serv, net, PF_INET, cred); if (err < 0) goto out_err; err = create_lockd_family(serv, net, PF_INET6, cred); if (err < 0 && err != -EAFNOSUPPORT) goto out_err; warned = 0; return 0; out_err: if (warned++ == 0) printk(KERN_WARNING "lockd_up: makesock failed, error=%d\n", err); svc_shutdown_net(serv, net); return err; } static int lockd_up_net(struct svc_serv *serv, struct net *net, const struct cred *cred) { struct lockd_net *ln = net_generic(net, lockd_net_id); int error; if (ln->nlmsvc_users++) return 0; error = svc_bind(serv, net); if (error) goto err_bind; error = make_socks(serv, net, cred); if (error < 0) goto err_bind; set_grace_period(net); dprintk("%s: per-net data created; net=%x\n", __func__, net->ns.inum); return 0; err_bind: ln->nlmsvc_users--; return error; } static void lockd_down_net(struct svc_serv *serv, struct net *net) { struct lockd_net *ln = net_generic(net, lockd_net_id); if (ln->nlmsvc_users) { if (--ln->nlmsvc_users == 0) { nlm_shutdown_hosts_net(net); cancel_delayed_work_sync(&ln->grace_period_end); locks_end_grace(&ln->lockd_manager); svc_shutdown_net(serv, net); dprintk("%s: per-net data destroyed; net=%x\n", __func__, net->ns.inum); } } else { pr_err("%s: no users! task=%p, net=%x\n", __func__, nlmsvc_task, net->ns.inum); BUG(); } } static int lockd_inetaddr_event(struct notifier_block *this, unsigned long event, void *ptr) { struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; struct sockaddr_in sin; if ((event != NETDEV_DOWN) || !atomic_inc_not_zero(&nlm_ntf_refcnt)) goto out; if (nlmsvc_rqst) { dprintk("lockd_inetaddr_event: removed %pI4\n", &ifa->ifa_local); sin.sin_family = AF_INET; sin.sin_addr.s_addr = ifa->ifa_local; svc_age_temp_xprts_now(nlmsvc_rqst->rq_server, (struct sockaddr *)&sin); } atomic_dec(&nlm_ntf_refcnt); wake_up(&nlm_ntf_wq); out: return NOTIFY_DONE; } static struct notifier_block lockd_inetaddr_notifier = { .notifier_call = lockd_inetaddr_event, }; #if IS_ENABLED(CONFIG_IPV6) static int lockd_inet6addr_event(struct notifier_block *this, unsigned long event, void *ptr) { struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr; struct sockaddr_in6 sin6; if ((event != NETDEV_DOWN) || !atomic_inc_not_zero(&nlm_ntf_refcnt)) goto out; if (nlmsvc_rqst) { dprintk("lockd_inet6addr_event: removed %pI6\n", &ifa->addr); sin6.sin6_family = AF_INET6; sin6.sin6_addr = ifa->addr; if (ipv6_addr_type(&sin6.sin6_addr) & IPV6_ADDR_LINKLOCAL) sin6.sin6_scope_id = ifa->idev->dev->ifindex; svc_age_temp_xprts_now(nlmsvc_rqst->rq_server, (struct sockaddr *)&sin6); } atomic_dec(&nlm_ntf_refcnt); wake_up(&nlm_ntf_wq); out: return NOTIFY_DONE; } static struct notifier_block lockd_inet6addr_notifier = { .notifier_call = lockd_inet6addr_event, }; #endif static void lockd_unregister_notifiers(void) { unregister_inetaddr_notifier(&lockd_inetaddr_notifier); #if IS_ENABLED(CONFIG_IPV6) unregister_inet6addr_notifier(&lockd_inet6addr_notifier); #endif wait_event(nlm_ntf_wq, atomic_read(&nlm_ntf_refcnt) == 0); } static void lockd_svc_exit_thread(void) { atomic_dec(&nlm_ntf_refcnt); lockd_unregister_notifiers(); svc_exit_thread(nlmsvc_rqst); } static int lockd_start_svc(struct svc_serv *serv) { int error; if (nlmsvc_rqst) return 0; /* * Create the kernel thread and wait for it to start. */ nlmsvc_rqst = svc_prepare_thread(serv, &serv->sv_pools[0], NUMA_NO_NODE); if (IS_ERR(nlmsvc_rqst)) { error = PTR_ERR(nlmsvc_rqst); printk(KERN_WARNING "lockd_up: svc_rqst allocation failed, error=%d\n", error); lockd_unregister_notifiers(); goto out_rqst; } atomic_inc(&nlm_ntf_refcnt); svc_sock_update_bufs(serv); serv->sv_maxconn = nlm_max_connections; nlmsvc_task = kthread_create(lockd, nlmsvc_rqst, "%s", serv->sv_name); if (IS_ERR(nlmsvc_task)) { error = PTR_ERR(nlmsvc_task); printk(KERN_WARNING "lockd_up: kthread_run failed, error=%d\n", error); goto out_task; } nlmsvc_rqst->rq_task = nlmsvc_task; wake_up_process(nlmsvc_task); dprintk("lockd_up: service started\n"); return 0; out_task: lockd_svc_exit_thread(); nlmsvc_task = NULL; out_rqst: nlmsvc_rqst = NULL; return error; } static const struct svc_serv_ops lockd_sv_ops = { .svo_shutdown = svc_rpcb_cleanup, .svo_enqueue_xprt = svc_xprt_do_enqueue, }; static struct svc_serv *lockd_create_svc(void) { struct svc_serv *serv; /* * Check whether we're already up and running. */ if (nlmsvc_rqst) { /* * Note: increase service usage, because later in case of error * svc_destroy() will be called. */ svc_get(nlmsvc_rqst->rq_server); return nlmsvc_rqst->rq_server; } /* * Sanity check: if there's no pid, * we should be the first user ... */ if (nlmsvc_users) printk(KERN_WARNING "lockd_up: no pid, %d users??\n", nlmsvc_users); if (!nlm_timeout) nlm_timeout = LOCKD_DFLT_TIMEO; nlmsvc_timeout = nlm_timeout * HZ; serv = svc_create(&nlmsvc_program, LOCKD_BUFSIZE, &lockd_sv_ops); if (!serv) { printk(KERN_WARNING "lockd_up: create service failed\n"); return ERR_PTR(-ENOMEM); } register_inetaddr_notifier(&lockd_inetaddr_notifier); #if IS_ENABLED(CONFIG_IPV6) register_inet6addr_notifier(&lockd_inet6addr_notifier); #endif dprintk("lockd_up: service created\n"); return serv; } /* * Bring up the lockd process if it's not already up. */ int lockd_up(struct net *net, const struct cred *cred) { struct svc_serv *serv; int error; mutex_lock(&nlmsvc_mutex); serv = lockd_create_svc(); if (IS_ERR(serv)) { error = PTR_ERR(serv); goto err_create; } error = lockd_up_net(serv, net, cred); if (error < 0) { lockd_unregister_notifiers(); goto err_put; } error = lockd_start_svc(serv); if (error < 0) { lockd_down_net(serv, net); goto err_put; } nlmsvc_users++; /* * Note: svc_serv structures have an initial use count of 1, * so we exit through here on both success and failure. */ err_put: svc_destroy(serv); err_create: mutex_unlock(&nlmsvc_mutex); return error; } EXPORT_SYMBOL_GPL(lockd_up); /* * Decrement the user count and bring down lockd if we're the last. */ void lockd_down(struct net *net) { mutex_lock(&nlmsvc_mutex); lockd_down_net(nlmsvc_rqst->rq_server, net); if (nlmsvc_users) { if (--nlmsvc_users) goto out; } else { printk(KERN_ERR "lockd_down: no users! task=%p\n", nlmsvc_task); BUG(); } if (!nlmsvc_task) { printk(KERN_ERR "lockd_down: no lockd running.\n"); BUG(); } kthread_stop(nlmsvc_task); dprintk("lockd_down: service stopped\n"); lockd_svc_exit_thread(); dprintk("lockd_down: service destroyed\n"); nlmsvc_task = NULL; nlmsvc_rqst = NULL; out: mutex_unlock(&nlmsvc_mutex); } EXPORT_SYMBOL_GPL(lockd_down); #ifdef CONFIG_SYSCTL /* * Sysctl parameters (same as module parameters, different interface). */ static struct ctl_table nlm_sysctls[] = { { .procname = "nlm_grace_period", .data = &nlm_grace_period, .maxlen = sizeof(unsigned long), .mode = 0644, .proc_handler = proc_doulongvec_minmax, .extra1 = (unsigned long *) &nlm_grace_period_min, .extra2 = (unsigned long *) &nlm_grace_period_max, }, { .procname = "nlm_timeout", .data = &nlm_timeout, .maxlen = sizeof(unsigned long), .mode = 0644, .proc_handler = proc_doulongvec_minmax, .extra1 = (unsigned long *) &nlm_timeout_min, .extra2 = (unsigned long *) &nlm_timeout_max, }, { .procname = "nlm_udpport", .data = &nlm_udpport, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = (int *) &nlm_port_min, .extra2 = (int *) &nlm_port_max, }, { .procname = "nlm_tcpport", .data = &nlm_tcpport, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = (int *) &nlm_port_min, .extra2 = (int *) &nlm_port_max, }, { .procname = "nsm_use_hostnames", .data = &nsm_use_hostnames, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "nsm_local_state", .data = &nsm_local_state, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, { } }; static struct ctl_table nlm_sysctl_dir[] = { { .procname = "nfs", .mode = 0555, .child = nlm_sysctls, }, { } }; static struct ctl_table nlm_sysctl_root[] = { { .procname = "fs", .mode = 0555, .child = nlm_sysctl_dir, }, { } }; #endif /* CONFIG_SYSCTL */ /* * Module (and sysfs) parameters. */ #define param_set_min_max(name, type, which_strtol, min, max) \ static int param_set_##name(const char *val, const struct kernel_param *kp) \ { \ char *endp; \ __typeof__(type) num = which_strtol(val, &endp, 0); \ if (endp == val || *endp || num < (min) || num > (max)) \ return -EINVAL; \ *((type *) kp->arg) = num; \ return 0; \ } static inline int is_callback(u32 proc) { return proc == NLMPROC_GRANTED || proc == NLMPROC_GRANTED_MSG || proc == NLMPROC_TEST_RES || proc == NLMPROC_LOCK_RES || proc == NLMPROC_CANCEL_RES || proc == NLMPROC_UNLOCK_RES || proc == NLMPROC_NSM_NOTIFY; } static int lockd_authenticate(struct svc_rqst *rqstp) { rqstp->rq_client = NULL; switch (rqstp->rq_authop->flavour) { case RPC_AUTH_NULL: case RPC_AUTH_UNIX: if (rqstp->rq_proc == 0) return SVC_OK; if (is_callback(rqstp->rq_proc)) { /* Leave it to individual procedures to * call nlmsvc_lookup_host(rqstp) */ return SVC_OK; } return svc_set_client(rqstp); } return SVC_DENIED; } param_set_min_max(port, int, simple_strtol, 0, 65535) param_set_min_max(grace_period, unsigned long, simple_strtoul, nlm_grace_period_min, nlm_grace_period_max) param_set_min_max(timeout, unsigned long, simple_strtoul, nlm_timeout_min, nlm_timeout_max) MODULE_AUTHOR("Olaf Kirch <okir@monad.swb.de>"); MODULE_DESCRIPTION("NFS file locking service version " LOCKD_VERSION "."); MODULE_LICENSE("GPL"); module_param_call(nlm_grace_period, param_set_grace_period, param_get_ulong, &nlm_grace_period, 0644); module_param_call(nlm_timeout, param_set_timeout, param_get_ulong, &nlm_timeout, 0644); module_param_call(nlm_udpport, param_set_port, param_get_int, &nlm_udpport, 0644); module_param_call(nlm_tcpport, param_set_port, param_get_int, &nlm_tcpport, 0644); module_param(nsm_use_hostnames, bool, 0644); module_param(nlm_max_connections, uint, 0644); static int lockd_init_net(struct net *net) { struct lockd_net *ln = net_generic(net, lockd_net_id); INIT_DELAYED_WORK(&ln->grace_period_end, grace_ender); INIT_LIST_HEAD(&ln->lockd_manager.list); ln->lockd_manager.block_opens = false; INIT_LIST_HEAD(&ln->nsm_handles); return 0; } static void lockd_exit_net(struct net *net) { struct lockd_net *ln = net_generic(net, lockd_net_id); WARN_ONCE(!list_empty(&ln->lockd_manager.list), "net %x %s: lockd_manager.list is not empty\n", net->ns.inum, __func__); WARN_ONCE(!list_empty(&ln->nsm_handles), "net %x %s: nsm_handles list is not empty\n", net->ns.inum, __func__); WARN_ONCE(delayed_work_pending(&ln->grace_period_end), "net %x %s: grace_period_end was not cancelled\n", net->ns.inum, __func__); } static struct pernet_operations lockd_net_ops = { .init = lockd_init_net, .exit = lockd_exit_net, .id = &lockd_net_id, .size = sizeof(struct lockd_net), }; /* * Initialising and terminating the module. */ static int __init init_nlm(void) { int err; #ifdef CONFIG_SYSCTL err = -ENOMEM; nlm_sysctl_table = register_sysctl_table(nlm_sysctl_root); if (nlm_sysctl_table == NULL) goto err_sysctl; #endif err = register_pernet_subsys(&lockd_net_ops); if (err) goto err_pernet; err = lockd_create_procfs(); if (err) goto err_procfs; return 0; err_procfs: unregister_pernet_subsys(&lockd_net_ops); err_pernet: #ifdef CONFIG_SYSCTL unregister_sysctl_table(nlm_sysctl_table); err_sysctl: #endif return err; } static void __exit exit_nlm(void) { /* FIXME: delete all NLM clients */ nlm_shutdown_hosts(); lockd_remove_procfs(); unregister_pernet_subsys(&lockd_net_ops); #ifdef CONFIG_SYSCTL unregister_sysctl_table(nlm_sysctl_table); #endif } module_init(init_nlm); module_exit(exit_nlm); /* * Define NLM program and procedures */ static unsigned int nlmsvc_version1_count[17]; static const struct svc_version nlmsvc_version1 = { .vs_vers = 1, .vs_nproc = 17, .vs_proc = nlmsvc_procedures, .vs_count = nlmsvc_version1_count, .vs_xdrsize = NLMSVC_XDRSIZE, }; static unsigned int nlmsvc_version3_count[24]; static const struct svc_version nlmsvc_version3 = { .vs_vers = 3, .vs_nproc = 24, .vs_proc = nlmsvc_procedures, .vs_count = nlmsvc_version3_count, .vs_xdrsize = NLMSVC_XDRSIZE, }; #ifdef CONFIG_LOCKD_V4 static unsigned int nlmsvc_version4_count[24]; static const struct svc_version nlmsvc_version4 = { .vs_vers = 4, .vs_nproc = 24, .vs_proc = nlmsvc_procedures4, .vs_count = nlmsvc_version4_count, .vs_xdrsize = NLMSVC_XDRSIZE, }; #endif static const struct svc_version *nlmsvc_version[] = { [1] = &nlmsvc_version1, [3] = &nlmsvc_version3, #ifdef CONFIG_LOCKD_V4 [4] = &nlmsvc_version4, #endif }; static struct svc_stat nlmsvc_stats; #define NLM_NRVERS ARRAY_SIZE(nlmsvc_version) static struct svc_program nlmsvc_program = { .pg_prog = NLM_PROGRAM, /* program number */ .pg_nvers = NLM_NRVERS, /* number of entries in nlmsvc_version */ .pg_vers = nlmsvc_version, /* version table */ .pg_name = "lockd", /* service name */ .pg_class = "nfsd", /* share authentication with nfsd */ .pg_stats = &nlmsvc_stats, /* stats table */ .pg_authenticate = &lockd_authenticate, /* export authentication */ .pg_init_request = svc_generic_init_request, .pg_rpcbind_set = svc_generic_rpcbind_set, };
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