switch touch_atime to struct path

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

include/linux/fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index b89dc4d..9bbe1a9 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1812,11 +1812,11 @@
        spin_unlock(&inode->i_lock);
 }
 
-extern void touch_atime(struct vfsmount *mnt, struct dentry *dentry);
+extern void touch_atime(struct path *);
 static inline void file_accessed(struct file *file)
 {
 	if (!(file->f_flags & O_NOATIME))
-		touch_atime(file->f_path.mnt, file->f_path.dentry);
+		touch_atime(&file->f_path);
 }
 
 int sync_inode(struct inode *inode, struct writeback_control *wbc);