xref: /linux/fs/f2fs/acl.h (revision 49ed09dd)
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__ */
54