| #!/bin/sh |
| |
| # Copyright (C) 2012-2013 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 |
| # |
| # test support of thin discards |
| # |
| |
| SKIP_WITH_LVMLOCKD=1 |
| SKIP_WITH_LVMPOLLD=1 |
| |
| export LVM_TEST_THIN_REPAIR_CMD=${LVM_TEST_THIN_REPAIR_CMD-/bin/false} |
| |
| . lib/inittest |
| |
| # |
| # Main |
| # |
| aux have_thin 1 1 0 || skip |
| |
| aux prepare_pvs 2 64 |
| |
| aux extend_filter_LVMTEST |
| |
| vgcreate $vg -s 64K $(cat DEVICES) |
| |
| # Create named pool only |
| lvcreate -l1 --discards ignore -T $vg/pool |
| check lv_field $vg/pool discards "ignore" |
| check lv_field $vg/pool kernel_discards "ignore" |
| lvcreate -l1 --discards nopassdown -T $vg/pool1 |
| check lv_field $vg/pool1 discards "nopassdown" |
| check lv_field $vg/pool1 kernel_discards "nopassdown" |
| lvcreate -l1 --discards passdown -T $vg/pool2 |
| check lv_field $vg/pool2 discards "passdown" |
| check lv_field $vg/pool2 discards "passdown" |
| |
| lvchange --discards nopassdown $vg/pool2 |
| |
| lvcreate -V1M -n origin -T $vg/pool |
| lvcreate -s $vg/origin -n snap |
| |
| # Cannot convert active nopassdown -> ignore |
| not lvchange --discards nopassdown $vg/pool |
| |
| # Cannot convert active ignore -> passdown |
| not lvchange --discards passdown $vg/pool |
| |
| # Cannot convert active nopassdown -> ignore |
| not lvchange --discards ignore $vg/pool1 |
| |
| # Deactivate pool only |
| lvchange -an $vg/pool $vg/pool1 |
| |
| # Cannot convert, since thin volumes are still active |
| not lvchange --discards passdown $vg/pool |
| |
| # Deactive thin volumes |
| lvchange -an $vg/origin $vg/snap |
| |
| lvchange --discards passdown $vg/pool |
| check lv_field $vg/pool discards "passdown" |
| |
| lvchange --discards ignore $vg/pool1 |
| check lv_field $vg/pool1 discards "ignore" |
| |
| vgremove -ff $vg |
| |
| # Create thin pool with discards set to "ignore". |
| # If we create a thin volume which we use for a PV |
| # which we use to create another thin pool on top |
| # with discards set to "passdown", the discards value |
| # in metadata is still "passdown", but because the |
| # device below does not support it, the kernel value |
| # of discards actually used will be "nopassdown". |
| # This is why we have "-o discards" and "-o kernel_discards". |
| vgcreate -s 1m ${vg}_1 $(cat DEVICES) |
| lvcreate -l 10 -T ${vg}_1/pool --discards ignore |
| lvcreate -V 9m -T ${vg}_1/pool -n device_with_ignored_discards |
| vgcreate -s 1m ${vg}_2 "$DM_DEV_DIR/${vg}_1/device_with_ignored_discards" |
| lvcreate -l 1 -T ${vg}_2/pool --discards passdown |
| lvcreate -V 1 -T ${vg}_2/pool |
| check lv_field ${vg}_1/pool discards "ignore" |
| check lv_field ${vg}_1/pool kernel_discards "ignore" |
| check lv_field ${vg}_2/pool discards "passdown" |
| check lv_field ${vg}_2/pool kernel_discards "nopassdown" |
| |
| vgremove -ff ${vg}_2 |
| vgremove -ff ${vg}_1 |