Root/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
15static 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
34const 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
41

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