xref: /openbmc/linux/fs/ocfs2/namei.h (revision e868d61272caa648214046a096e5a6bfc068dc8c)
1 /* -*- mode: c; c-basic-offset: 8; -*-
2  * vim: noexpandtab sw=8 ts=8 sts=0:
3  *
4  * namei.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_NAMEI_H
27 #define OCFS2_NAMEI_H
28 
29 extern const struct inode_operations ocfs2_dir_iops;
30 
31 struct dentry *ocfs2_get_parent(struct dentry *child);
32 
33 int ocfs2_check_dir_entry (struct inode *dir,
34 			   struct ocfs2_dir_entry *de,
35 			   struct buffer_head *bh,
36 			   unsigned long offset);
37 struct buffer_head *ocfs2_find_entry(const char *name,
38 				     int namelen,
39 				     struct inode *dir,
40 				     struct ocfs2_dir_entry **res_dir);
41 int ocfs2_orphan_del(struct ocfs2_super *osb,
42 		     handle_t *handle,
43 		     struct inode *orphan_dir_inode,
44 		     struct inode *inode,
45 		     struct buffer_head *orphan_dir_bh);
46 
47 static inline int ocfs2_match(int len,
48 			      const char * const name,
49 			      struct ocfs2_dir_entry *de)
50 {
51 	if (len != de->name_len)
52 		return 0;
53 	if (!de->inode)
54 		return 0;
55 	return !memcmp(name, de->name, len);
56 }
57 
58 #endif /* OCFS2_NAMEI_H */
59