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 dentry *, 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 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