| #!/bin/sh |
| # Copyright (C) 2008 Red Hat, Inc. All rights reserved. |
| # |
| # 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, |
| # Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| |
| # |
| # tests basic functionality of read-ahead and ra regressions |
| # |
| |
| test_description='Test read-ahead functionality' |
| SKIP_WITH_LVMLOCKD=1 |
| SKIP_WITH_LVMPOLLD=1 |
| |
| . lib/inittest |
| |
| aux prepare_vg 5 |
| |
| #COMM "test various read ahead settings (bz450922)" |
| lvcreate -l 100%FREE -i5 -I512 -n $lv $vg |
| ra=$(get lv_field $vg/$lv lv_kernel_read_ahead --units s --nosuffix) |
| test $(( ( $ra / 5 ) * 5 )) -le $ra |
| 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 $vg |
| |
| #COMM "read ahead is properly inherited from underlying PV" |
| blockdev --setra 768 "$dev1" |
| vgscan |
| lvcreate -n $lv -L4m $vg "$dev1" |
| test $(blockdev --getra "$DM_DEV_DIR/$vg/$lv") -eq 768 |
| lvremove -ff $vg |
| |
| # Check default, active/inactive values for read_ahead / kernel_read_ahead |
| lvcreate -n $lv -l 50%FREE $vg |
| lvchange -an $vg/$lv |
| check lv_field $vg/$lv lv_read_ahead auto |
| check lv_field $vg/$lv lv_kernel_read_ahead -1 |
| lvchange -r 512 $vg/$lv |
| lvchange -ay $vg/$lv |
| check lv_field $vg/$lv lv_read_ahead 256.00k |
| check lv_field $vg/$lv lv_kernel_read_ahead 256.00k |
| |
| vgremove -ff $vg |
