nfsd41: sunrpc: Added rpc server-side backchannel handling

[safe/jmp/linux-2.6] / net / sunrpc / sunrpc_syms.c

diff --git a/net/sunrpc/sunrpc_syms.c b/net/sunrpc/sunrpc_syms.c
index 69b8238..8cce921 100644 (file)
--- a/net/sunrpc/sunrpc_syms.c
+++ b/net/sunrpc/sunrpc_syms.c
@@ -6,11 +6,9 @@
  * Copyright (C) 1997 Olaf Kirch <okir@monad.swb.de>
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 
 #include <linux/types.h>
-#include <linux/sched.h>
 #include <linux/uio.h>
 #include <linux/unistd.h>
 #include <linux/init.h>
@@ -22,126 +20,9 @@
 #include <linux/sunrpc/auth.h>
 #include <linux/workqueue.h>
 #include <linux/sunrpc/rpc_pipe_fs.h>
+#include <linux/sunrpc/xprtsock.h>
 
-
-/* RPC scheduler */
-EXPORT_SYMBOL(rpc_execute);
-EXPORT_SYMBOL(rpc_init_task);
-EXPORT_SYMBOL(rpc_sleep_on);
-EXPORT_SYMBOL(rpc_wake_up_next);
-EXPORT_SYMBOL(rpc_wake_up_task);
-EXPORT_SYMBOL(rpciod_down);
-EXPORT_SYMBOL(rpciod_up);
-EXPORT_SYMBOL(rpc_new_task);
-EXPORT_SYMBOL(rpc_wake_up_status);
-EXPORT_SYMBOL(rpc_release_task);
-
-/* RPC client functions */
-EXPORT_SYMBOL(rpc_create_client);
-EXPORT_SYMBOL(rpc_new_client);
-EXPORT_SYMBOL(rpc_clone_client);
-EXPORT_SYMBOL(rpc_bind_new_program);
-EXPORT_SYMBOL(rpc_destroy_client);
-EXPORT_SYMBOL(rpc_shutdown_client);
-EXPORT_SYMBOL(rpc_killall_tasks);
-EXPORT_SYMBOL(rpc_call_sync);
-EXPORT_SYMBOL(rpc_call_async);
-EXPORT_SYMBOL(rpc_call_setup);
-EXPORT_SYMBOL(rpc_clnt_sigmask);
-EXPORT_SYMBOL(rpc_clnt_sigunmask);
-EXPORT_SYMBOL(rpc_delay);
-EXPORT_SYMBOL(rpc_restart_call);
-EXPORT_SYMBOL(rpc_setbufsize);
-EXPORT_SYMBOL(rpc_unlink);
-EXPORT_SYMBOL(rpc_wake_up);
-EXPORT_SYMBOL(rpc_queue_upcall);
-EXPORT_SYMBOL(rpc_mkpipe);
-
-/* Client transport */
-EXPORT_SYMBOL(xprt_create_proto);
-EXPORT_SYMBOL(xprt_set_timeout);
-
-/* Client credential cache */
-EXPORT_SYMBOL(rpcauth_register);
-EXPORT_SYMBOL(rpcauth_unregister);
-EXPORT_SYMBOL(rpcauth_create);
-EXPORT_SYMBOL(rpcauth_lookupcred);
-EXPORT_SYMBOL(rpcauth_lookup_credcache);
-EXPORT_SYMBOL(rpcauth_free_credcache);
-EXPORT_SYMBOL(rpcauth_init_credcache);
-EXPORT_SYMBOL(put_rpccred);
-
-/* RPC server stuff */
-EXPORT_SYMBOL(svc_create);
-EXPORT_SYMBOL(svc_create_thread);
-EXPORT_SYMBOL(svc_exit_thread);
-EXPORT_SYMBOL(svc_destroy);
-EXPORT_SYMBOL(svc_drop);
-EXPORT_SYMBOL(svc_process);
-EXPORT_SYMBOL(svc_recv);
-EXPORT_SYMBOL(svc_wake_up);
-EXPORT_SYMBOL(svc_makesock);
-EXPORT_SYMBOL(svc_reserve);
-EXPORT_SYMBOL(svc_auth_register);
-EXPORT_SYMBOL(auth_domain_lookup);
-EXPORT_SYMBOL(svc_authenticate);
-EXPORT_SYMBOL(svc_set_client);
-
-/* RPC statistics */
-#ifdef CONFIG_PROC_FS
-EXPORT_SYMBOL(rpc_proc_register);
-EXPORT_SYMBOL(rpc_proc_unregister);
-EXPORT_SYMBOL(svc_proc_register);
-EXPORT_SYMBOL(svc_proc_unregister);
-EXPORT_SYMBOL(svc_seq_show);
-#endif
-
-/* caching... */
-EXPORT_SYMBOL(auth_domain_find);
-EXPORT_SYMBOL(auth_domain_put);
-EXPORT_SYMBOL(auth_unix_add_addr);
-EXPORT_SYMBOL(auth_unix_forget_old);
-EXPORT_SYMBOL(auth_unix_lookup);
-EXPORT_SYMBOL(cache_check);
-EXPORT_SYMBOL(cache_flush);
-EXPORT_SYMBOL(cache_purge);
-EXPORT_SYMBOL(cache_init);
-EXPORT_SYMBOL(cache_register);
-EXPORT_SYMBOL(cache_unregister);
-EXPORT_SYMBOL(qword_add);
-EXPORT_SYMBOL(qword_addhex);
-EXPORT_SYMBOL(qword_get);
-EXPORT_SYMBOL(svcauth_unix_purge);
-EXPORT_SYMBOL(unix_domain_find);
-
-/* Generic XDR */
-EXPORT_SYMBOL(xdr_encode_string);
-EXPORT_SYMBOL(xdr_decode_string_inplace);
-EXPORT_SYMBOL(xdr_decode_netobj);
-EXPORT_SYMBOL(xdr_encode_netobj);
-EXPORT_SYMBOL(xdr_encode_pages);
-EXPORT_SYMBOL(xdr_inline_pages);
-EXPORT_SYMBOL(xdr_shift_buf);
-EXPORT_SYMBOL(xdr_encode_word);
-EXPORT_SYMBOL(xdr_decode_word);
-EXPORT_SYMBOL(xdr_encode_array2);
-EXPORT_SYMBOL(xdr_decode_array2);
-EXPORT_SYMBOL(xdr_buf_from_iov);
-EXPORT_SYMBOL(xdr_buf_subsegment);
-EXPORT_SYMBOL(xdr_buf_read_netobj);
-EXPORT_SYMBOL(read_bytes_from_xdr_buf);
-
-/* Debugging symbols */
-#ifdef RPC_DEBUG
-EXPORT_SYMBOL(rpc_debug);
-EXPORT_SYMBOL(nfs_debug);
-EXPORT_SYMBOL(nfsd_debug);
-EXPORT_SYMBOL(nlm_debug);
-#endif
-
-extern int register_rpc_pipefs(void);
-extern void unregister_rpc_pipefs(void);
-extern struct cache_detail ip_map_cache;
+extern struct cache_detail ip_map_cache, unix_gid_cache;
 
 static int __init
 init_sunrpc(void)
@@ -149,9 +30,11 @@ init_sunrpc(void)
        int err = register_rpc_pipefs();
        if (err)
                goto out;
-       err = rpc_init_mempool() != 0;
-       if (err)
+       err = rpc_init_mempool();
+       if (err) {
+               unregister_rpc_pipefs();
                goto out;
+       }
 #ifdef RPC_DEBUG
        rpc_register_sysctl();
 #endif
@@ -159,6 +42,10 @@ init_sunrpc(void)
        rpc_proc_init();
 #endif
        cache_register(&ip_map_cache);
+       cache_register(&unix_gid_cache);
+       svc_init_xprt_sock();   /* svc sock transport */
+       init_socket_xprt();     /* clnt sock transport */
+       rpcauth_init_module();
 out:
        return err;
 }
@@ -166,17 +53,21 @@ out:
 static void __exit
 cleanup_sunrpc(void)
 {
+       rpcauth_remove_module();
+       cleanup_socket_xprt();
+       svc_cleanup_xprt_sock();
        unregister_rpc_pipefs();
        rpc_destroy_mempool();
-       if (cache_unregister(&ip_map_cache))
-               printk(KERN_ERR "sunrpc: failed to unregister ip_map cache\n");
+       cache_unregister(&ip_map_cache);
+       cache_unregister(&unix_gid_cache);
 #ifdef RPC_DEBUG
        rpc_unregister_sysctl();
 #endif
 #ifdef CONFIG_PROC_FS
        rpc_proc_exit();
 #endif
+       rcu_barrier(); /* Wait for completion of call_rcu()'s */
 }
 MODULE_LICENSE("GPL");
-module_init(init_sunrpc);
+fs_initcall(init_sunrpc); /* Ensure we're initialised before nfs */
 module_exit(cleanup_sunrpc);