+++ /dev/null
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
- * Use is subject to license terms.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- */
-
-#define DEBUG_SUBSYSTEM S_LLITE
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/random.h>
-#include <linux/version.h>
-#include <lustre_lite.h>
-#include <lustre_ha.h>
-#include <lustre_dlm.h>
-#include <linux/init.h>
-#include <linux/fs.h>
-#include <linux/random.h>
-#include <linux/cache_def.h>
-#include <lprocfs_status.h>
-#include "llite_internal.h"
-#include <lustre/lustre_user.h>
-
-extern struct address_space_operations ll_aops;
-extern struct address_space_operations ll_dir_aops;
-
-
-/* exported operations */
-struct super_operations lustre_super_operations =
-{
- .read_inode2 = ll_read_inode2,
- .clear_inode = ll_clear_inode,
- .put_super = ll_put_super,
- .statfs = ll_statfs,
- .umount_begin = ll_umount_begin,
- .fh_to_dentry = ll_fh_to_dentry,
- .dentry_to_fh = ll_dentry_to_fh,
- .remount_fs = ll_remount_fs,
- .show_options = ll_show_options,
-};
-
-
-void lustre_register_client_process_config(int (*cpc)(struct lustre_cfg *lcfg));
-
-static int __init init_lustre_lite(void)
-{
- int i, seed[2];
- struct timeval tv;
- lnet_process_id_t lnet_id;
-
- printk(KERN_INFO "Lustre: Lustre Client File System; "
- "http://www.lustre.org/\n");
- ll_file_data_slab = cfs_mem_cache_create("ll_file_data",
- sizeof(struct ll_file_data), 0,
- SLAB_HWCACHE_ALIGN);
- if (ll_file_data_slab == NULL)
- return -ENOMEM;
-
- if (proc_lustre_root)
- proc_lustre_fs_root = proc_mkdir("llite", proc_lustre_root);
-
- ll_register_cache(&ll_cache_definition);
-
- lustre_register_client_fill_super(ll_fill_super);
- lustre_register_client_process_config(ll_process_config);
-
- get_random_bytes(seed, sizeof(seed));
-
- /* Nodes with small feet have little entropy
- * the NID for this node gives the most entropy in the low bits */
- for (i = 0; ; i++) {
- if (LNetGetId(i, &lnet_id) == -ENOENT) {
- break;
- }
- if (LNET_NETTYP(LNET_NIDNET(lnet_id.nid)) != LOLND) {
- seed[0] ^= LNET_NIDADDR(lnet_id.nid);
- }
- }
-
- do_gettimeofday(&tv);
- ll_srand(tv.tv_sec ^ seed[0], tv.tv_usec ^ seed[1]);
-
- return 0;
-}
-
-static void __exit exit_lustre_lite(void)
-{
- int rc;
-
- lustre_register_client_fill_super(NULL);
- lustre_register_client_process_config(NULL);
-
- ll_unregister_cache(&ll_cache_definition);
-
- rc = cfs_mem_cache_destroy(ll_file_data_slab);
- LASSERTF(rc == 0, "couldn't destroy ll_file_data slab\n");
- if (ll_async_page_slab) {
- rc = cfs_mem_cache_destroy(ll_async_page_slab);
- LASSERTF(rc == 0, "couldn't destroy ll_async_page slab\n");
- }
-
- if (proc_lustre_fs_root)
- lprocfs_remove(&proc_lustre_fs_root);
-}
-
-MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
-MODULE_DESCRIPTION("Lustre Lite Client File System");
-MODULE_LICENSE("GPL");
-
-module_init(init_lustre_lite);
-module_exit(exit_lustre_lite);
git://git.whamcloud.com / fs / lustre-release.git / commitdiff