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1 /*
2 * fs/f2fs/acl.h
3 *
4 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com/
6 *
7 * Portions of this code from linux/fs/ext2/acl.h
8 *
9 * Copyright (C) 2001-2003 Andreas Gruenbacher, <agruen@suse.de>
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
14 */
15 #ifndef __F2FS_ACL_H__
16 #define __F2FS_ACL_H__
17
18 #include <linux/posix_acl_xattr.h>
19
20 #define F2FS_ACL_VERSION 0x0001
21
22 struct f2fs_acl_entry {
23 __le16 e_tag;
24 __le16 e_perm;
25 __le32 e_id;
26 };
27
28 struct f2fs_acl_entry_short {
29 __le16 e_tag;
30 __le16 e_perm;
31 };
32
33 struct f2fs_acl_header {
34 __le32 a_version;
35 };
36
37 #ifdef CONFIG_F2FS_FS_POSIX_ACL
38
39 extern struct posix_acl *f2fs_get_acl(struct inode *, int);
40 extern int f2fs_set_acl(struct inode *, struct posix_acl *, int);
41 extern int f2fs_init_acl(struct inode *, struct inode *, struct page *,
42 struct page *);
43 #else
44 #define f2fs_get_acl NULL
45 #define f2fs_set_acl NULL
46
47 static inline int f2fs_init_acl(struct inode *inode, struct inode *dir,
48 struct page *ipage, struct page *dpage)
49 {
50 return 0;
51 }
52 #endif
53 #endif /* __F2FS_ACL_H__ */