File: dir_iterate.h

package info (click to toggle)
ocfs2-tools 1.8.6-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, sid
  • size: 6,232 kB
  • sloc: ansic: 86,865; sh: 5,781; python: 2,380; makefile: 1,305
file content (60 lines) | stat: -rw-r--r-- 1,844 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
/* -*- mode: c; c-basic-offset: 8; -*-
 * vim: noexpandtab sw=8 ts=8 sts=0:
 *
 * dir_iterate.h
 *
 * Structures for dir iteration for the OCFS2 userspace library.
 *
 * Copyright (C) 2004 Oracle.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public
 * License, version 2,  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 for more details.
 * 
 * You should have received a copy of the GNU General Public
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 * Boston, MA  02110-1301 USA.
 *
 * Authors: Joel Becker
 */

#ifndef _DIR_ITERATE_H
#define _DIR_ITERATE_H

struct dir_context {
	uint64_t dir;
	int flags;
	struct ocfs2_dinode *di;
	char *buf;
	int (*func)(uint64_t dir,
		    int entry,
		    struct ocfs2_dir_entry *dirent,
		    uint64_t blocknr,
		    int offset,
		    int blocksize,
		    char *buf,
		    void *priv_data);
	void *priv_data;
	errcode_t errcode;
};

extern int ocfs2_process_dir_block(ocfs2_filesys *fs,
				   uint64_t	blocknr,
				   uint64_t	blockcnt,
				   uint16_t	ext_flags,
				   void		*priv_data);

#define OCFS2_DIR_PAD                   4
#define OCFS2_DIR_ROUND                 (OCFS2_DIR_PAD - 1)
#define OCFS2_DIR_MEMBER_LEN            offsetof(struct ocfs2_dir_entry, name)
#define OCFS2_DIR_REC_LEN(name_len)     (((name_len) + OCFS2_DIR_MEMBER_LEN + \
                                          OCFS2_DIR_ROUND) & \
                                         ~OCFS2_DIR_ROUND)

#endif  /* _DIR_ITERATE_H */