2 * linux/fs/hfs/sysdep.c
4 * Copyright (C) 1996 Paul H. Hargrove
6 * This file may be distributed under the terms of the GNU General Public License.
8 * This file contains the code to do various system dependent things.
11 #include <linux/namei.h>
14 /* dentry case-handling: just lowercase everything */
16 static int hfs_revalidate_dentry(struct dentry *dentry, unsigned int flags)
21 if (flags & LOOKUP_RCU)
24 inode = d_inode(dentry);
28 /* fix up inode on a timezone change */
29 diff = sys_tz.tz_minuteswest * 60 - HFS_I(inode)->tz_secondswest;
31 struct timespec64 ts = inode_get_ctime(inode);
33 inode_set_ctime(inode, ts.tv_sec + diff, ts.tv_nsec);
34 ts = inode_get_atime(inode);
35 inode_set_atime(inode, ts.tv_sec + diff, ts.tv_nsec);
36 ts = inode_get_mtime(inode);
37 inode_set_mtime(inode, ts.tv_sec + diff, ts.tv_nsec);
38 HFS_I(inode)->tz_secondswest += diff;
43 const struct dentry_operations hfs_dentry_operations =
45 .d_revalidate = hfs_revalidate_dentry,
46 .d_hash = hfs_hash_dentry,
47 .d_compare = hfs_compare_dentry,