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, bool);
37 extern int f2fs_set_acl(struct user_namespace *, struct inode *,
38 			struct posix_acl *, int);
39 extern int f2fs_init_acl(struct inode *, struct inode *, struct page *,
40 							struct page *);
41 #else
42 #define f2fs_get_acl	NULL
43 #define f2fs_set_acl	NULL
44 
f2fs_init_acl(struct inode * inode,struct inode * dir,struct page * ipage,struct page * dpage)45 static inline int f2fs_init_acl(struct inode *inode, struct inode *dir,
46 				struct page *ipage, struct page *dpage)
47 {
48 	return 0;
49 }
50 #endif
51 #endif /* __F2FS_ACL_H__ */
52