1 files changed, 40 insertions, 0 deletions

diff --git a/fs/hfs/sysdep.c b/fs/hfs/sysdep.c
new file mode 100644
index 000000000000..5bf89ec01cd4
--- /dev/null
+++ b/fs/hfs/sysdep.c
@@ -0,0 +1,40 @@
+/*
+ *  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 "hfs_fs.h"
+
+/* dentry case-handling: just lowercase everything */
+
+static int hfs_revalidate_dentry(struct dentry *dentry, struct nameidata *nd)
+{
+        struct inode *inode = dentry->d_inode;
+        int diff;
+
+        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;
+}
+
+struct dentry_operations hfs_dentry_operations =
+{
+        .d_revalidate   = hfs_revalidate_dentry,
+        .d_hash         = hfs_hash_dentry,
+        .d_compare      = hfs_compare_dentry,
+};
+