fs/ocfs2/acl.h

   1 /* -*- mode: c; c-basic-offset: 8; -*-
   2  * vim: noexpandtab sw=8 ts=8 sts=0:
   3  *
   4  * acl.h
   5  *
   6  * Copyright (C) 2004, 2008 Oracle.  All rights reserved.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public
  10  * License version 2 as published by the Free Software Foundation.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  */
  17
  18 #ifndef OCFS2_ACL_H
  19 #define OCFS2_ACL_H
  20
  21 #include <linux/posix_acl_xattr.h>
  22
  23 struct ocfs2_acl_entry {
  24         __le16 e_tag;
  25         __le16 e_perm;
  26         __le32 e_id;
  27 };
  28
  29 #ifdef CONFIG_OCFS2_FS_POSIX_ACL
  30
  31 extern int ocfs2_check_acl(struct inode *, int);
  32 extern int ocfs2_acl_chmod(struct inode *);
  33 extern int ocfs2_init_acl(handle_t *, struct inode *, struct inode *,
  34                           struct buffer_head *, struct buffer_head *,
  35                           struct ocfs2_alloc_context *,
  36                           struct ocfs2_alloc_context *);
  37
  38 #else /* CONFIG_OCFS2_FS_POSIX_ACL*/
  39
  40 #define ocfs2_check_acl NULL
  41 static inline int ocfs2_acl_chmod(struct inode *inode)
  42 {
  43         return 0;
  44 }
  45 static inline int ocfs2_init_acl(handle_t *handle,
  46                                  struct inode *inode,
  47                                  struct inode *dir,
  48                                  struct buffer_head *di_bh,
  49                                  struct buffer_head *dir_bh,
  50                                  struct ocfs2_alloc_context *meta_ac,
  51                                  struct ocfs2_alloc_context *data_ac)
  52 {
  53         return 0;
  54 }
  55
  56 #endif /* CONFIG_OCFS2_FS_POSIX_ACL*/
  57
  58 #endif /* OCFS2_ACL_H */