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/fs/hfs/sysdep.c

https://bitbucket.org/cyanogenmod/android_kernel_asus_tf300t
C | 45 lines | 26 code | 8 blank | 11 comment | 3 complexity | df780def4a7270842c2547bf38b38a6b MD5 | raw file
Possible License(s): LGPL-2.0, AGPL-1.0, GPL-2.0
 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 <linux/namei.h>
12#include "hfs_fs.h"
13
14/* dentry case-handling: just lowercase everything */
15
16static int hfs_revalidate_dentry(struct dentry *dentry, struct nameidata *nd)
17{
18	struct inode *inode;
19	int diff;
20
21	if (nd->flags & LOOKUP_RCU)
22		return -ECHILD;
23
24	inode = dentry->d_inode;
25	if(!inode)
26		return 1;
27
28	/* fix up inode on a timezone change */
29	diff = sys_tz.tz_minuteswest * 60 - HFS_I(inode)->tz_secondswest;
30	if (diff) {
31		inode->i_ctime.tv_sec += diff;
32		inode->i_atime.tv_sec += diff;
33		inode->i_mtime.tv_sec += diff;
34		HFS_I(inode)->tz_secondswest += diff;
35	}
36	return 1;
37}
38
39const struct dentry_operations hfs_dentry_operations =
40{
41	.d_revalidate	= hfs_revalidate_dentry,
42	.d_hash		= hfs_hash_dentry,
43	.d_compare	= hfs_compare_dentry,
44};
45