diff options
Diffstat (limited to 'net/sunrpc/sunrpc_syms.c')
-rw-r--r-- | net/sunrpc/sunrpc_syms.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/net/sunrpc/sunrpc_syms.c b/net/sunrpc/sunrpc_syms.c new file mode 100644 index 000000000..691c0000e --- /dev/null +++ b/net/sunrpc/sunrpc_syms.c @@ -0,0 +1,153 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/net/sunrpc/sunrpc_syms.c + * + * Symbols exported by the sunrpc module. + * + * Copyright (C) 1997 Olaf Kirch <okir@monad.swb.de> + */ + +#include <linux/module.h> + +#include <linux/types.h> +#include <linux/uio.h> +#include <linux/unistd.h> +#include <linux/init.h> + +#include <linux/sunrpc/sched.h> +#include <linux/sunrpc/clnt.h> +#include <linux/sunrpc/svc.h> +#include <linux/sunrpc/svcsock.h> +#include <linux/sunrpc/auth.h> +#include <linux/workqueue.h> +#include <linux/sunrpc/rpc_pipe_fs.h> +#include <linux/sunrpc/xprtsock.h> + +#include "sunrpc.h" +#include "sysfs.h" +#include "netns.h" + +unsigned int sunrpc_net_id; +EXPORT_SYMBOL_GPL(sunrpc_net_id); + +static __net_init int sunrpc_init_net(struct net *net) +{ + int err; + struct sunrpc_net *sn = net_generic(net, sunrpc_net_id); + + err = rpc_proc_init(net); + if (err) + goto err_proc; + + err = ip_map_cache_create(net); + if (err) + goto err_ipmap; + + err = unix_gid_cache_create(net); + if (err) + goto err_unixgid; + + err = rpc_pipefs_init_net(net); + if (err) + goto err_pipefs; + + INIT_LIST_HEAD(&sn->all_clients); + spin_lock_init(&sn->rpc_client_lock); + spin_lock_init(&sn->rpcb_clnt_lock); + return 0; + +err_pipefs: + unix_gid_cache_destroy(net); +err_unixgid: + ip_map_cache_destroy(net); +err_ipmap: + rpc_proc_exit(net); +err_proc: + return err; +} + +static __net_exit void sunrpc_exit_net(struct net *net) +{ + struct sunrpc_net *sn = net_generic(net, sunrpc_net_id); + + rpc_pipefs_exit_net(net); + unix_gid_cache_destroy(net); + ip_map_cache_destroy(net); + rpc_proc_exit(net); + WARN_ON_ONCE(!list_empty(&sn->all_clients)); +} + +static struct pernet_operations sunrpc_net_ops = { + .init = sunrpc_init_net, + .exit = sunrpc_exit_net, + .id = &sunrpc_net_id, + .size = sizeof(struct sunrpc_net), +}; + +static int __init +init_sunrpc(void) +{ + int err = rpc_init_mempool(); + if (err) + goto out; + err = rpcauth_init_module(); + if (err) + goto out2; + + cache_initialize(); + + err = register_pernet_subsys(&sunrpc_net_ops); + if (err) + goto out3; + + err = register_rpc_pipefs(); + if (err) + goto out4; + + err = rpc_sysfs_init(); + if (err) + goto out5; + + sunrpc_debugfs_init(); +#if IS_ENABLED(CONFIG_SUNRPC_DEBUG) + rpc_register_sysctl(); +#endif + svc_init_xprt_sock(); /* svc sock transport */ + init_socket_xprt(); /* clnt sock transport */ + return 0; + +out5: + unregister_rpc_pipefs(); +out4: + unregister_pernet_subsys(&sunrpc_net_ops); +out3: + rpcauth_remove_module(); +out2: + rpc_destroy_mempool(); +out: + return err; +} + +static void __exit +cleanup_sunrpc(void) +{ + rpc_sysfs_exit(); + rpc_cleanup_clids(); + xprt_cleanup_ids(); + xprt_multipath_cleanup_ids(); + rpcauth_remove_module(); + cleanup_socket_xprt(); + svc_cleanup_xprt_sock(); + sunrpc_debugfs_exit(); + unregister_rpc_pipefs(); + rpc_destroy_mempool(); + unregister_pernet_subsys(&sunrpc_net_ops); + auth_domain_cleanup(); +#if IS_ENABLED(CONFIG_SUNRPC_DEBUG) + rpc_unregister_sysctl(); +#endif + rcu_barrier(); /* Wait for completion of call_rcu()'s */ +} +MODULE_LICENSE("GPL"); +fs_initcall(init_sunrpc); /* Ensure we're initialised before nfs */ +module_exit(cleanup_sunrpc); |