#!/bin/bash

#
# Generates sorted readahead files
#
# Copyright (C) 2007  Red Hat, Inc.
# Karel Zak <kzak@redhat.com>
#

renice +19 -p $$ >/dev/null 2>&1
ionice -c3 -p $$ >/dev/null 2>&1

TYPES="early later"
READAHEAD_CMD="/sbin/readahead"
READAHEAD_BASE="/var/lib/readahead"

for LTYPE in $TYPES; do
	if [ -s "$READAHEAD_BASE/custom.$LTYPE" ]; then
		FLS="$READAHEAD_BASE/custom.$LTYPE"
	else
		FLS=$(ls $READAHEAD_BASE/*.$LTYPE 2>/dev/null )
	fi
	
	if [ -n "$FLS" ]; then
		$READAHEAD_CMD --sort --output=$READAHEAD_BASE/$LTYPE.sorted $FLS &>/dev/null
	fi
done