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
/*
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* linux/fs/hfs/sysdep.c
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*
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* Copyright (C) 1996 Paul H. Hargrove
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* (C) 2003 Ardis Technologies <roman@ardistech.com>
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* This file may be distributed under the terms of the GNU General Public License.
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*
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* This file contains the code to do various system dependent things.
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*/
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#include <linux/namei.h>
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#include "hfs_fs.h"
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/* dentry case-handling: just lowercase everything */
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static int hfs_revalidate_dentry(struct dentry *dentry, struct nameidata *nd)
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{
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struct inode *inode;
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int diff;
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if (nd->flags & LOOKUP_RCU)
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return -ECHILD;
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inode = dentry->d_inode;
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if(!inode)
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return 1;
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/* fix up inode on a timezone change */
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diff = sys_tz.tz_minuteswest * 60 - HFS_I(inode)->tz_secondswest;
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if (diff) {
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inode->i_ctime.tv_sec += diff;
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inode->i_atime.tv_sec += diff;
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inode->i_mtime.tv_sec += diff;
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HFS_I(inode)->tz_secondswest += diff;
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}
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return 1;
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}
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const struct dentry_operations hfs_dentry_operations =
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{
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.d_revalidate = hfs_revalidate_dentry,
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.d_hash = hfs_hash_dentry,
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.d_compare = hfs_compare_dentry,
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};
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