fs/jffs2/acl.h

   1 /*
   2  * JFFS2 -- Journalling Flash File System, Version 2.
   3  *
   4  * Copyright (C) 2006  NEC Corporation
   5  *
   6  * Created by KaiGai Kohei <kaigai@ak.jp.nec.com>
   7  *
   8  * For licensing information, see the file 'LICENCE' in this directory.
   9  *
  10  */
  11 struct jffs2_acl_entry {
  12         jint16_t        e_tag;
  13         jint16_t        e_perm;
  14         jint32_t        e_id;
  15 };
  16
  17 struct jffs2_acl_entry_short {
  18         jint16_t        e_tag;
  19         jint16_t        e_perm;
  20 };
  21
  22 struct jffs2_acl_header {
  23         jint32_t        a_version;
  24 };
  25
  26 #ifdef CONFIG_JFFS2_FS_POSIX_ACL
  27
  28 #define JFFS2_ACL_NOT_CACHED ((void *)-1)
  29
  30 extern int jffs2_permission(struct inode *, int, struct nameidata *);
  31 extern int jffs2_acl_chmod(struct inode *);
  32 extern int jffs2_init_acl(struct inode *, struct inode *);
  33 extern void jffs2_clear_acl(struct jffs2_inode_info *);
  34
  35 extern struct xattr_handler jffs2_acl_access_xattr_handler;
  36 extern struct xattr_handler jffs2_acl_default_xattr_handler;
  37
  38 #else
  39
  40 #define jffs2_permission NULL
  41 #define jffs2_acl_chmod(inode)          (0)
  42 #define jffs2_init_acl(inode,dir)       (0)
  43 #define jffs2_clear_acl(f)
  44
  45 #endif  /* CONFIG_JFFS2_FS_POSIX_ACL */