/*
   *  linux/fs/hfs/sysdep.c
   *
   * Copyright (C) 1996  Paul H. Hargrove
   * (C) 2003 Ardis Technologies <roman@ardistech.com>
   * This file may be distributed under the terms of the GNU General Public License.
   *
   * This file contains the code to do various system dependent things.
   */
  
  #include "hfs_fs.h"
  
  /* dentry case-handling: just lowercase everything */
  
  static int hfs_revalidate_dentry(struct dentry *dentry, struct nameidata *nd)
  {
  	struct inode *inode = dentry->d_inode;
  	int diff;
  
  	if(!inode)
  		return 1;
  
  	/* fix up inode on a timezone change */
  	diff = sys_tz.tz_minuteswest * 60 - HFS_I(inode)->tz_secondswest;
  	if (diff) {
  		inode->i_ctime.tv_sec += diff;
  		inode->i_atime.tv_sec += diff;
  		inode->i_mtime.tv_sec += diff;
  		HFS_I(inode)->tz_secondswest += diff;
  	}
  	return 1;
  }
  
  struct dentry_operations hfs_dentry_operations =
  {
  	.d_revalidate	= hfs_revalidate_dentry,
  	.d_hash		= hfs_hash_dentry,
  	.d_compare	= hfs_compare_dentry,
  };