Merge /spare/repo/linux-2.6/
[linux-2.6] / 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