xref: /linux/fs/f2fs/acl.h (revision 2dbc0838bcf24ca59cabc3130cf3b1d6809cdcd4)
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * fs/f2fs/acl.h
4  *
5  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
6  *             http://www.samsung.com/
7  *
8  * Portions of this code from linux/fs/ext2/acl.h
9  *
10  * Copyright (C) 2001-2003 Andreas Gruenbacher, <agruen@suse.de>
11  */
12 #ifndef __F2FS_ACL_H__
13 #define __F2FS_ACL_H__
14 
15 #include <linux/posix_acl_xattr.h>
16 
17 #define F2FS_ACL_VERSION	0x0001
18 
19 struct f2fs_acl_entry {
20 	__le16 e_tag;
21 	__le16 e_perm;
22 	__le32 e_id;
23 };
24 
25 struct f2fs_acl_entry_short {
26 	__le16 e_tag;
27 	__le16 e_perm;
28 };
29 
30 struct f2fs_acl_header {
31 	__le32 a_version;
32 };
33 
34 #ifdef CONFIG_F2FS_FS_POSIX_ACL
35 
36 extern struct posix_acl *f2fs_get_acl(struct inode *, int);
37 extern int f2fs_set_acl(struct inode *, struct posix_acl *, int);
38 extern int f2fs_init_acl(struct inode *, struct inode *, struct page *,
39 							struct page *);
40 #else
41 #define f2fs_get_acl	NULL
42 #define f2fs_set_acl	NULL
43 
44 static inline int f2fs_init_acl(struct inode *inode, struct inode *dir,
45 				struct page *ipage, struct page *dpage)
46 {
47 	return 0;
48 }
49 #endif
50 #endif /* __F2FS_ACL_H__ */
51