mirror of
https://github.com/torvalds/linux.git
synced 2024-11-16 17:12:06 +00:00
34286d6662
Require filesystems be aware of .d_revalidate being called in rcu-walk mode (nd->flags & LOOKUP_RCU). For now do a simple push down, returning -ECHILD from all implementations. Signed-off-by: Nick Piggin <npiggin@kernel.dk>
46 lines
1.0 KiB
C
46 lines
1.0 KiB
C
/*
|
|
* linux/fs/hfs/sysdep.c
|
|
*
|
|
* Copyright (C) 1996 Paul H. Hargrove
|
|
* (C) 2003 Ardis Technologies <roman@ardistech.com>
|
|
* This file may be distributed under the terms of the GNU General Public License.
|
|
*
|
|
* This file contains the code to do various system dependent things.
|
|
*/
|
|
|
|
#include <linux/namei.h>
|
|
#include "hfs_fs.h"
|
|
|
|
/* dentry case-handling: just lowercase everything */
|
|
|
|
static int hfs_revalidate_dentry(struct dentry *dentry, struct nameidata *nd)
|
|
{
|
|
struct inode *inode;
|
|
int diff;
|
|
|
|
if (nd->flags & LOOKUP_RCU)
|
|
return -ECHILD;
|
|
|
|
inode = dentry->d_inode;
|
|
if(!inode)
|
|
return 1;
|
|
|
|
/* fix up inode on a timezone change */
|
|
diff = sys_tz.tz_minuteswest * 60 - HFS_I(inode)->tz_secondswest;
|
|
if (diff) {
|
|
inode->i_ctime.tv_sec += diff;
|
|
inode->i_atime.tv_sec += diff;
|
|
inode->i_mtime.tv_sec += diff;
|
|
HFS_I(inode)->tz_secondswest += diff;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
const struct dentry_operations hfs_dentry_operations =
|
|
{
|
|
.d_revalidate = hfs_revalidate_dentry,
|
|
.d_hash = hfs_hash_dentry,
|
|
.d_compare = hfs_compare_dentry,
|
|
};
|
|
|