diff -rup linux-2.6.10-original/fs/read_write.c linux-2.6.10-light/fs/read_write.c
--- linux-2.6.10-original/fs/read_write.c	2004-12-24 16:35:00.000000000 -0500
+++ linux-2.6.10-light/fs/read_write.c	2005-02-08 20:23:21.000000000 -0500
@@ -27,6 +27,27 @@ struct file_operations generic_ro_fops =
 
 EXPORT_SYMBOL(generic_ro_fops);
 
+loff_t generic_file_llseek_light(struct file *file, loff_t offset, int origin)
+{
+	long long retval = -EINVAL;
+	struct inode *inode = file->f_mapping->host;
+
+	switch (origin) {
+		case 2:
+			offset += i_size_read(inode);
+			break;
+		case 1:
+			offset += file->f_pos;
+	}
+	if (offset>=0 && offset<=inode->i_sb->s_maxbytes) {
+		file->f_pos = offset;
+		retval = offset;
+	}
+	return retval;
+}
+
+EXPORT_SYMBOL(generic_file_llseek_light);
+
 loff_t generic_file_llseek(struct file *file, loff_t offset, int origin)
 {
 	long long retval;
diff -rup linux-2.6.10-original/include/linux/fs.h linux-2.6.10-light/include/linux/fs.h
--- linux-2.6.10-original/include/linux/fs.h	2004-12-24 16:34:27.000000000 -0500
+++ linux-2.6.10-light/include/linux/fs.h	2005-02-08 20:23:54.000000000 -0500
@@ -1473,6 +1473,7 @@ extern ssize_t generic_file_readv(struct
 ssize_t generic_file_writev(struct file *filp, const struct iovec *iov, 
 			unsigned long nr_segs, loff_t *ppos);
 extern loff_t no_llseek(struct file *file, loff_t offset, int origin);
+extern loff_t generic_file_llseek_light(struct file *file, loff_t offset, int origin);
 extern loff_t generic_file_llseek(struct file *file, loff_t offset, int origin);
 extern loff_t remote_llseek(struct file *file, loff_t offset, int origin);
 extern int generic_file_open(struct inode * inode, struct file * filp);
diff -rup linux-2.6.10-original/fs/ext2/file.c linux-2.6.10-light/fs/ext2/file.c
--- linux-2.6.10-original/fs/ext2/file.c	2004-12-24 16:34:31.000000000 -0500
+++ linux-2.6.10-light/fs/ext2/file.c	2005-02-08 20:28:05.000000000 -0500
@@ -40,7 +40,7 @@ static int ext2_release_file (struct ino
  * the ext2 filesystem.
  */
 struct file_operations ext2_file_operations = {
-	.llseek		= generic_file_llseek,
+	.llseek		= generic_file_llseek_light,
 	.read		= generic_file_read,
 	.write		= generic_file_write,
 	.aio_read	= generic_file_aio_read,
diff -rup linux-2.6.10-original/fs/ext3/file.c linux-2.6.10-light/fs/ext3/file.c
--- linux-2.6.10-original/fs/ext3/file.c	2004-12-24 16:35:39.000000000 -0500
+++ linux-2.6.10-light/fs/ext3/file.c	2005-02-08 20:28:18.000000000 -0500
@@ -116,7 +116,7 @@ force_commit:
 }
 
 struct file_operations ext3_file_operations = {
-	.llseek		= generic_file_llseek,
+	.llseek		= generic_file_llseek_light,
 	.read		= do_sync_read,
 	.write		= do_sync_write,
 	.aio_read	= generic_file_aio_read,