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#!/usr/bin/env bash
# Copyright (C) 2017 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, MA2110-1301 USA
SKIP_WITH_LVMPOLLD=1
. lib/inittest
case "$(uname -r)" in
3.10.0-862*) skip "Cannot run this test on unfixed kernel." ;;
esac
# Test reshaping under io load
which mkfs.ext4 || skip
aux have_raid 1 13 2 || skip
mount_dir="mnt"
cleanup_mounted_and_teardown()
{
umount "$mount_dir" || true
aux teardown
}
aux prepare_pvs 16 32
get_devs
vgcreate $SHARED -s 1M "$vg" "${DEVICES[@]}"
trap 'cleanup_mounted_and_teardown' EXIT
# Create 10-way striped raid5 (11 legs total)
lvcreate --yes --type raid5_ls --stripesize 64K --stripes 10 -L4 -n$lv1 $vg
check lv_first_seg_field $vg/$lv1 segtype "raid5_ls"
check lv_first_seg_field $vg/$lv1 stripesize "64.00k"
check lv_first_seg_field $vg/$lv1 data_stripes 10
check lv_first_seg_field $vg/$lv1 stripes 11
wipefs -a /dev/$vg/$lv1
mkfs -t ext4 /dev/$vg/$lv1
mkdir -p $mount_dir
mount "$DM_DEV_DIR/$vg/$lv1" $mount_dir
mkdir -p $mount_dir/1 $mount_dir/2
echo 3 >/proc/sys/vm/drop_caches
cp -r /usr/bin $mount_dir/1 >/dev/null 2>/dev/null &
cp -r /usr/bin $mount_dir/2 >/dev/null 2>/dev/null &
sync &
aux wait_for_sync $vg $lv1
aux delay_dev "$dev2" 0 100
# Reshape it to 15 data stripes
lvconvert --yes --stripes 15 $vg/$lv1
aux delay_dev "$dev2" 0 0
check lv_first_seg_field $vg/$lv1 segtype "raid5_ls"
check lv_first_seg_field $vg/$lv1 stripesize "64.00k"
check lv_first_seg_field $vg/$lv1 data_stripes 15
check lv_first_seg_field $vg/$lv1 stripes 16
kill -9 %%
wait
umount $mount_dir
fsck -fn "$DM_DEV_DIR/$vg/$lv1"
vgremove -ff $vg
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