release/src-rt-6.x/linux/linux-2.6/fs/ocfs2/namei.h

   1 /* -*- mode: c; c-basic-offset: 8; -*-
   2  * vim: noexpandtab sw=8 ts=8 sts=0:
   3  *
   4  * namei.h
   5  *
   6  * Function prototypes
   7  *
   8  * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2 of the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public
  21  * License along with this program; if not, write to the
  22  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  23  * Boston, MA 021110-1307, USA.
  24  */
  25
  26 #ifndef OCFS2_NAMEI_H
  27 #define OCFS2_NAMEI_H
  28
  29 extern const struct inode_operations ocfs2_dir_iops;
  30
  31 struct dentry *ocfs2_get_parent(struct dentry *child);
  32
  33 int ocfs2_check_dir_entry (struct inode *dir,
  34                            struct ocfs2_dir_entry *de,
  35                            struct buffer_head *bh,
  36                            unsigned long offset);
  37 struct buffer_head *ocfs2_find_entry(const char *name,
  38                                      int namelen,
  39                                      struct inode *dir,
  40                                      struct ocfs2_dir_entry **res_dir);
  41 int ocfs2_orphan_del(struct ocfs2_super *osb,
  42                      handle_t *handle,
  43                      struct inode *orphan_dir_inode,
  44                      struct inode *inode,
  45                      struct buffer_head *orphan_dir_bh);
  46
  47 static inline int ocfs2_match(int len,
  48                               const char * const name,
  49                               struct ocfs2_dir_entry *de)
  50 {
  51         if (len != de->name_len)
  52                 return 0;
  53         if (!de->inode)
  54                 return 0;
  55         return !memcmp(name, de->name, len);
  56 }
  57
  58 #endif /* OCFS2_NAMEI_H */