Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Nick Piggin | 34286d6 | 2011-01-07 17:49:57 +1100 | [diff] [blame] | 11 | #include <linux/namei.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | #include "hfs_fs.h" |
| 13 | |
| 14 | /* dentry case-handling: just lowercase everything */ |
| 15 | |
Al Viro | 4c9e687 | 2012-06-10 16:03:43 -0400 | [diff] [blame] | 16 | static int hfs_revalidate_dentry(struct dentry *dentry, unsigned int flags) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | { |
Nick Piggin | 34286d6 | 2011-01-07 17:49:57 +1100 | [diff] [blame] | 18 | struct inode *inode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | int diff; |
| 20 | |
Al Viro | 4c9e687 | 2012-06-10 16:03:43 -0400 | [diff] [blame] | 21 | if (flags & LOOKUP_RCU) |
Nick Piggin | 34286d6 | 2011-01-07 17:49:57 +1100 | [diff] [blame] | 22 | return -ECHILD; |
| 23 | |
| 24 | inode = dentry->d_inode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Al Viro | e16404e | 2009-02-20 05:55:13 +0000 | [diff] [blame] | 39 | const struct dentry_operations hfs_dentry_operations = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | { |
| 41 | .d_revalidate = hfs_revalidate_dentry, |
| 42 | .d_hash = hfs_hash_dentry, |
| 43 | .d_compare = hfs_compare_dentry, |
| 44 | }; |
| 45 | |