LXR linux/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
  23struct 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
  31extern int ocfs2_check_acl(struct inode *, int);
  32extern int ocfs2_acl_chmod(struct inode *);
  33extern 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
  41static inline int ocfs2_acl_chmod(struct inode *inode)
  42{
  43        return 0;
  44}
  45static 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 */
  59