diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/llite/super25.c')
| -rw-r--r-- | drivers/staging/lustre/lustre/llite/super25.c | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/drivers/staging/lustre/lustre/llite/super25.c b/drivers/staging/lustre/lustre/llite/super25.c deleted file mode 100644 index 861e7a60f408..000000000000 --- a/drivers/staging/lustre/lustre/llite/super25.c +++ /dev/null @@ -1,185 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * 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.gnu.org/licenses/gpl-2.0.html - * - * GPL HEADER END - */ -/* - * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. - * Use is subject to license terms. - * - * Copyright (c) 2011, Intel Corporation. - */ -/* - * 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 <lustre_ha.h> -#include <lustre_dlm.h> -#include <linux/init.h> -#include <linux/fs.h> -#include <lprocfs_status.h> -#include "llite_internal.h" - -static struct kmem_cache *ll_inode_cachep; - -static struct inode *ll_alloc_inode(struct super_block *sb) -{ - struct ll_inode_info *lli; - - ll_stats_ops_tally(ll_s2sbi(sb), LPROC_LL_ALLOC_INODE, 1); - lli = kmem_cache_zalloc(ll_inode_cachep, GFP_NOFS); - if (!lli) - return NULL; - - inode_init_once(&lli->lli_vfs_inode); - return &lli->lli_vfs_inode; -} - -static void ll_inode_destroy_callback(struct rcu_head *head) -{ - struct inode *inode = container_of(head, struct inode, i_rcu); - struct ll_inode_info *ptr = ll_i2info(inode); - - kmem_cache_free(ll_inode_cachep, ptr); -} - -static void ll_destroy_inode(struct inode *inode) -{ - call_rcu(&inode->i_rcu, ll_inode_destroy_callback); -} - -/* exported operations */ -struct super_operations lustre_super_operations = { - .alloc_inode = ll_alloc_inode, - .destroy_inode = ll_destroy_inode, - .evict_inode = ll_delete_inode, - .put_super = ll_put_super, - .statfs = ll_statfs, - .umount_begin = ll_umount_begin, - .remount_fs = ll_remount_fs, - .show_options = ll_show_options, -}; -MODULE_ALIAS_FS("lustre"); - -static int __init lustre_init(void) -{ - int rc; - - BUILD_BUG_ON(sizeof(LUSTRE_VOLATILE_HDR) != - LUSTRE_VOLATILE_HDR_LEN + 1); - - /* print an address of _any_ initialized kernel symbol from this - * module, to allow debugging with gdb that doesn't support data - * symbols from modules. - */ - CDEBUG(D_INFO, "Lustre client module (%p).\n", - &lustre_super_operations); - - rc = -ENOMEM; - ll_inode_cachep = kmem_cache_create("lustre_inode_cache", - sizeof(struct ll_inode_info), 0, - SLAB_HWCACHE_ALIGN | SLAB_ACCOUNT, - NULL); - if (!ll_inode_cachep) - goto out_cache; - - ll_file_data_slab = kmem_cache_create("ll_file_data", - sizeof(struct ll_file_data), 0, - SLAB_HWCACHE_ALIGN, NULL); - if (!ll_file_data_slab) - goto out_cache; - - llite_root = debugfs_create_dir("llite", debugfs_lustre_root); - if (IS_ERR_OR_NULL(llite_root)) { - rc = llite_root ? PTR_ERR(llite_root) : -ENOMEM; - llite_root = NULL; - goto out_cache; - } - - llite_kset = kset_create_and_add("llite", NULL, lustre_kobj); - if (!llite_kset) { - rc = -ENOMEM; - goto out_debugfs; - } - - rc = vvp_global_init(); - if (rc != 0) - goto out_sysfs; - - cl_inode_fini_env = cl_env_alloc(&cl_inode_fini_refcheck, - LCT_REMEMBER | LCT_NOREF); - if (IS_ERR(cl_inode_fini_env)) { - rc = PTR_ERR(cl_inode_fini_env); - goto out_vvp; - } - - cl_inode_fini_env->le_ctx.lc_cookie = 0x4; - - rc = ll_xattr_init(); - if (rc != 0) - goto out_inode_fini_env; - - lustre_register_super_ops(THIS_MODULE, ll_fill_super, ll_kill_super); - lustre_register_client_process_config(ll_process_config); - - return 0; - -out_inode_fini_env: - cl_env_put(cl_inode_fini_env, &cl_inode_fini_refcheck); -out_vvp: - vvp_global_fini(); -out_sysfs: - kset_unregister(llite_kset); -out_debugfs: - debugfs_remove(llite_root); -out_cache: - kmem_cache_destroy(ll_inode_cachep); - kmem_cache_destroy(ll_file_data_slab); - return rc; -} - -static void __exit lustre_exit(void) -{ - lustre_register_super_ops(NULL, NULL, NULL); - lustre_register_client_process_config(NULL); - - debugfs_remove(llite_root); - kset_unregister(llite_kset); - - ll_xattr_fini(); - cl_env_put(cl_inode_fini_env, &cl_inode_fini_refcheck); - vvp_global_fini(); - - kmem_cache_destroy(ll_inode_cachep); - kmem_cache_destroy(ll_file_data_slab); -} - -MODULE_AUTHOR("OpenSFS, Inc. <http://www.lustre.org/>"); -MODULE_DESCRIPTION("Lustre Client File System"); -MODULE_VERSION(LUSTRE_VERSION_STRING); -MODULE_LICENSE("GPL"); - -module_init(lustre_init); -module_exit(lustre_exit); |