fs/hfs/sysdep.c

   1 /*
   2  *  linux/fs/hfs/sysdep.c
   3  *
   4  * Copyright (C) 1996  Paul H. Hargrove
   5  * (C) 2003 Ardis Technologies <roman@ardistech.com>
   6  * This file may be distributed under the terms of the GNU General Public License.
   7  *
   8  * This file contains the code to do various system dependent things.
   9  */
  10
  11 #include "hfs_fs.h"
  12
  13 /* dentry case-handling: just lowercase everything */
  14
  15 static int hfs_revalidate_dentry(struct dentry *dentry, struct nameidata *nd)
  16 {
  17         struct inode *inode = dentry->d_inode;
  18         int diff;
  19
  20         if(!inode)
  21                 return 1;
  22
  23         /* fix up inode on a timezone change */
  24         diff = sys_tz.tz_minuteswest * 60 - HFS_I(inode)->tz_secondswest;
  25         if (diff) {
  26                 inode->i_ctime.tv_sec += diff;
  27                 inode->i_atime.tv_sec += diff;
  28                 inode->i_mtime.tv_sec += diff;
  29                 HFS_I(inode)->tz_secondswest += diff;
  30         }
  31         return 1;
  32 }
  33
  34 struct dentry_operations hfs_dentry_operations =
  35 {
  36         .d_revalidate   = hfs_revalidate_dentry,
  37         .d_hash         = hfs_hash_dentry,
  38         .d_compare      = hfs_compare_dentry,
  39 };
  40