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
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