1 /* -*- mode: c; c-basic-offset: 8; -*- 2 * vim: noexpandtab sw=8 ts=8 sts=0: 3 * 4 * dir.h 5 * 6 * Function prototypes 7 * 8 * Copyright (C) 2002, 2004 Oracle. All rights reserved. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public 12 * License as published by the Free Software Foundation; either 13 * version 2 of the License, or (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 * General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public 21 * License along with this program; if not, write to the 22 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 23 * Boston, MA 021110-1307, USA. 24 */ 25 26 #ifndef OCFS2_DIR_H 27 #define OCFS2_DIR_H 28 29 struct buffer_head *ocfs2_find_entry(const char *name, 30 int namelen, 31 struct inode *dir, 32 struct ocfs2_dir_entry **res_dir); 33 int ocfs2_delete_entry(handle_t *handle, 34 struct inode *dir, 35 struct ocfs2_dir_entry *de_del, 36 struct buffer_head *bh); 37 int __ocfs2_add_entry(handle_t *handle, 38 struct inode *dir, 39 const char *name, int namelen, 40 struct inode *inode, u64 blkno, 41 struct buffer_head *parent_fe_bh, 42 struct buffer_head *insert_bh); 43 static inline int ocfs2_add_entry(handle_t *handle, 44 struct dentry *dentry, 45 struct inode *inode, u64 blkno, 46 struct buffer_head *parent_fe_bh, 47 struct buffer_head *insert_bh) 48 { 49 return __ocfs2_add_entry(handle, dentry->d_parent->d_inode, 50 dentry->d_name.name, dentry->d_name.len, 51 inode, blkno, parent_fe_bh, insert_bh); 52 } 53 int ocfs2_update_entry(struct inode *dir, handle_t *handle, 54 struct buffer_head *de_bh, struct ocfs2_dir_entry *de, 55 struct inode *new_entry_inode); 56 57 int ocfs2_check_dir_for_entry(struct inode *dir, 58 const char *name, 59 int namelen); 60 int ocfs2_empty_dir(struct inode *inode); 61 int ocfs2_find_files_on_disk(const char *name, 62 int namelen, 63 u64 *blkno, 64 struct inode *inode, 65 struct buffer_head **dirent_bh, 66 struct ocfs2_dir_entry **dirent); 67 int ocfs2_lookup_ino_from_name(struct inode *dir, const char *name, 68 int namelen, u64 *blkno); 69 int ocfs2_readdir(struct file *filp, void *dirent, filldir_t filldir); 70 int ocfs2_dir_foreach(struct inode *inode, loff_t *f_pos, void *priv, 71 filldir_t filldir); 72 int ocfs2_prepare_dir_for_insert(struct ocfs2_super *osb, 73 struct inode *dir, 74 struct buffer_head *parent_fe_bh, 75 const char *name, 76 int namelen, 77 struct buffer_head **ret_de_bh); 78 struct ocfs2_alloc_context; 79 int ocfs2_fill_new_dir(struct ocfs2_super *osb, 80 handle_t *handle, 81 struct inode *parent, 82 struct inode *inode, 83 struct buffer_head *fe_bh, 84 struct ocfs2_alloc_context *data_ac); 85 86 #endif /* OCFS2_DIR_H */ 87