186d7f5d3SJohn Marino#!/bin/sh 286d7f5d3SJohn Marino# Copyright (C) 2008 Red Hat, Inc. All rights reserved. 386d7f5d3SJohn Marino# 486d7f5d3SJohn Marino# This copyrighted material is made available to anyone wishing to use, 586d7f5d3SJohn Marino# modify, copy, or redistribute it subject to the terms and conditions 686d7f5d3SJohn Marino# of the GNU General Public License v.2. 786d7f5d3SJohn Marino# 886d7f5d3SJohn Marino# You should have received a copy of the GNU General Public License 986d7f5d3SJohn Marino# along with this program; if not, write to the Free Software Foundation, 1086d7f5d3SJohn Marino# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 1186d7f5d3SJohn Marino 1286d7f5d3SJohn Marino# 1386d7f5d3SJohn Marino# tests basic functionality of read-ahead and ra regressions 1486d7f5d3SJohn Marino# 1586d7f5d3SJohn Marino 1686d7f5d3SJohn Marinotest_description='Test read-ahead functionality' 1786d7f5d3SJohn Marino 1886d7f5d3SJohn Marino. ./test-utils.sh 1986d7f5d3SJohn Marino 2086d7f5d3SJohn Marino 2186d7f5d3SJohn Marinoget_lvs_() { 2286d7f5d3SJohn Marino lvs --units s --nosuffix --noheadings -o $1 "$vg"/"$lv" 2386d7f5d3SJohn Marino} 2486d7f5d3SJohn Marino 2586d7f5d3SJohn Marinocheck_lvs_() { 2686d7f5d3SJohn Marino case $(get_lvs_ $1) in 2786d7f5d3SJohn Marino *$2) true ;; 2886d7f5d3SJohn Marino *) false ;; 2986d7f5d3SJohn Marino esac 3086d7f5d3SJohn Marino} 3186d7f5d3SJohn Marino 3286d7f5d3SJohn Marinoaux prepare_vg 5 3386d7f5d3SJohn Marino 3486d7f5d3SJohn Marino#COMM "test various read ahead settings (bz450922)" 3586d7f5d3SJohn Marinolvcreate -n "$lv" -l 100%FREE -i5 -I256 "$vg" 3686d7f5d3SJohn Marinora="$(get_lvs_ lv_kernel_read_ahead)" 3786d7f5d3SJohn Marinotest "$(( ( $ra / 5 ) * 5 ))" -eq $ra 3886d7f5d3SJohn Marinolvdisplay "$vg"/"$lv" 3986d7f5d3SJohn Marinolvchange -r auto "$vg"/"$lv" 2>&1 | grep auto 4086d7f5d3SJohn Marinocheck_lvs_ lv_read_ahead auto 4186d7f5d3SJohn Marinocheck_lvs_ lv_kernel_read_ahead 5120 4286d7f5d3SJohn Marinolvchange -r 640 "$vg/$lv" 4386d7f5d3SJohn Marinocheck_lvs_ lv_read_ahead 640 4486d7f5d3SJohn Marinolvremove -ff "$vg" 4586d7f5d3SJohn Marino 4686d7f5d3SJohn Marino#COMM "read ahead is properly inherited from underlying PV" 4786d7f5d3SJohn Marinoblockdev --setra 768 $dev1 4886d7f5d3SJohn Marinolvcreate -n $lv -L4m $vg $dev1 4986d7f5d3SJohn Marinotest $(blockdev --getra $G_dev_/$vg/$lv) -eq 768 5086d7f5d3SJohn Marinolvremove -ff $vg 5186d7f5d3SJohn Marino 5286d7f5d3SJohn Marino# Check default, active/inactive values for read_ahead / kernel_read_ahead 5386d7f5d3SJohn Marinolvcreate -n $lv -l 50%FREE $vg 5486d7f5d3SJohn Marinolvchange -an $vg/$lv 5586d7f5d3SJohn Marinocheck_lv_field_ $vg/$lv lv_read_ahead auto 5686d7f5d3SJohn Marinocheck_lv_field_ $vg/$lv lv_kernel_read_ahead -1 5786d7f5d3SJohn Marinolvchange -r 512 $vg/$lv 5886d7f5d3SJohn Marinolvchange -ay $vg/$lv 5986d7f5d3SJohn Marinocheck_lv_field_ $vg/$lv lv_read_ahead 256.00k 6086d7f5d3SJohn Marinocheck_lv_field_ $vg/$lv lv_kernel_read_ahead 256.00k 6186d7f5d3SJohn Marinolvremove -ff $vg 62