kernel/2.6.29.6-aldebaran-rt/fs/jffs2/acl.h

   1 /*
   2  * JFFS2 -- Journalling Flash File System, Version 2.
   3  *
   4  * Copyright © 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
  12 struct jffs2_acl_entry {
  13         jint16_t        e_tag;
  14         jint16_t        e_perm;
  15         jint32_t        e_id;
  16 };
  17
  18 struct jffs2_acl_entry_short {
  19         jint16_t        e_tag;
  20         jint16_t        e_perm;
  21 };
  22
  23 struct jffs2_acl_header {
  24         jint32_t        a_version;
  25 };
  26
  27 #ifdef CONFIG_JFFS2_FS_POSIX_ACL
  28
  29 #define JFFS2_ACL_NOT_CACHED ((void *)-1)
  30
  31 extern int jffs2_permission(struct inode *, int);
  32 extern int jffs2_acl_chmod(struct inode *);
  33 extern int jffs2_init_acl_pre(struct inode *, struct inode *, int *);
  34 extern int jffs2_init_acl_post(struct inode *);
  35 extern void jffs2_clear_acl(struct jffs2_inode_info *);
  36
  37 extern struct xattr_handler jffs2_acl_access_xattr_handler;
  38 extern struct xattr_handler jffs2_acl_default_xattr_handler;
  39
  40 #else
  41
  42 #define jffs2_permission                        (NULL)
  43 #define jffs2_acl_chmod(inode)                  (0)
  44 #define jffs2_init_acl_pre(dir_i,inode,mode)    (0)
  45 #define jffs2_init_acl_post(inode)              (0)
  46 #define jffs2_clear_acl(f)
  47
  48 #endif  /* CONFIG_JFFS2_FS_POSIX_ACL */