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Linux/fs/hfs/sysdep.c

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  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 
 16 static int hfs_revalidate_dentry(struct dentry *dentry, unsigned int flags)
 17 {
 18         struct inode *inode;
 19         int diff;
 20 
 21         if (flags & LOOKUP_RCU)
 22                 return -ECHILD;
 23 
 24         inode = d_inode(dentry);
 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 
 39 const 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 
 46 

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