fs/f2fs/acl.h

   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_check_acl  NULL
  45 #define f2fs_get_acl    NULL
  46 #define f2fs_set_acl    NULL
  47
  48 static inline int f2fs_init_acl(struct inode *inode, struct inode *dir,
  49                                 struct page *ipage, struct page *dpage)
  50 {
  51         return 0;
  52 }
  53 #endif
  54 #endif /* __F2FS_ACL_H__ */