2017-07-02 22:38:32 +03:00
#!/usr/bin/env bash
2008-10-06 20:47:07 +04:00
# Copyright (C) 2008 Red Hat, Inc. All rights reserved.
2008-06-18 15:32:14 +04:00
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions
# of the GNU General Public License v.2.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
2016-01-21 13:49:46 +03:00
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
2008-06-18 15:32:14 +04:00
#
# tests basic functionality of read-ahead and ra regressions
#
test_description = 'Test read-ahead functionality'
2018-05-24 17:49:48 +03:00
2015-10-27 17:10:06 +03:00
SKIP_WITH_LVMPOLLD = 1
2008-06-18 15:32:14 +04:00
2014-06-06 19:40:04 +04:00
. lib/inittest
2008-06-18 15:32:14 +04:00
2008-10-06 20:47:07 +04:00
aux prepare_vg 5
2008-06-18 15:32:14 +04:00
2008-11-10 15:43:35 +03:00
#COMM "test various read ahead settings (bz450922)"
2015-10-29 14:33:15 +03:00
lvcreate -l 100%FREE -i5 -I512 -n $lv $vg
2012-03-16 17:00:05 +04:00
ra = $( get lv_field $vg /$lv lv_kernel_read_ahead --units s --nosuffix)
2017-07-06 20:27:04 +03:00
test $(( ( ra / 5 ) * 5 )) -le $ra
2012-03-16 17:00:05 +04:00
not lvchange -r auto $vg /$lv 2>& 1 | grep auto
check lv_field $vg /$lv lv_read_ahead auto
lvchange -r 640 $vg /$lv
check lv_field $vg /$lv lv_read_ahead 640 --units s --nosuffix
lvremove -ff $vg
2008-06-18 15:32:14 +04:00
2009-05-20 15:09:49 +04:00
#COMM "read ahead is properly inherited from underlying PV"
2012-03-16 17:00:05 +04:00
blockdev --setra 768 " $dev1 "
2009-12-28 21:33:04 +03:00
vgscan
2012-03-16 17:00:05 +04:00
lvcreate -n $lv -L4m $vg " $dev1 "
2017-07-10 11:40:09 +03:00
test " $( blockdev --getra " $DM_DEV_DIR / $vg / $lv " ) " -eq 768
2009-05-20 15:27:14 +04:00
lvremove -ff $vg
2009-05-11 20:17:12 +04:00
# Check default, active/inactive values for read_ahead / kernel_read_ahead
lvcreate -n $lv -l 50%FREE $vg
lvchange -an $vg /$lv
2011-01-05 03:16:18 +03:00
check lv_field $vg /$lv lv_read_ahead auto
check lv_field $vg /$lv lv_kernel_read_ahead -1
2009-05-11 20:17:12 +04:00
lvchange -r 512 $vg /$lv
lvchange -ay $vg /$lv
2011-01-05 03:16:18 +03:00
check lv_field $vg /$lv lv_read_ahead 256.00k
check lv_field $vg /$lv lv_kernel_read_ahead 256.00k
2014-02-27 02:25:30 +04:00
vgremove -ff $vg