fs/f2fs/acl.h

   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
  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__ */