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tests: check for TRIM support

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passdown can really work only on discardable device.
Skip 'status' test when PV does no support discard.
This commit is contained in:
Zdenek Kabelac 2016-09-22 15:37:52 +02:00
parent f1cad4c710
commit eb6b2a11e3
1 changed files with 15 additions and 8 deletions
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23
test/shell/lvchange-thin.sh
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@ -1,5 +1,5 @@
#!/bin/sh
# Copyright (C) 2013 Red Hat, Inc. All rights reserved.
# Copyright (C) 2013-2016 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
@ -25,24 +25,31 @@ vgcreate -s 128k $vg2 "$dev3"
lvcreate -L10M -T $vg/pool
# When PV does not support discard
# tests for checking thin-pool discard passdown are skipped
pvmajor=$(get pv_field "$dev1" major)
pvminor=$(get pv_field "$dev1" minor)
test "$(< /sys/dev/block/$pvmajor\:$pvminor/queue/discard_granularity)" -ne "0" || \
no_discard=1
#
# Check change operations on a thin-pool without any thin LV
#
# discards_ARG (default is passdown)
check grep_dmsetup status $vg-pool " discard_passdown" || {
test -n "$no_discard" || check grep_dmsetup status $vg-pool " discard_passdown" || {
# trace device layout
grep -r "" /sys/block/*
die "Device was expected to support passdown"
}
lvchange -vvvv --discards nopassdown $vg/pool
lvchange --discards nopassdown $vg/pool
check grep_dmsetup table $vg-pool " no_discard_passdown"
check grep_dmsetup status $vg-pool " no_discard_passdown"
test -n "$no_discard" || check grep_dmsetup status $vg-pool " no_discard_passdown"
lvchange --discards passdown $vg/pool
check grep_dmsetup table $vg-pool -v "passdown"
check grep_dmsetup status $vg-pool " discard_passdown"
test -n "$no_discard" || check grep_dmsetup status $vg-pool " discard_passdown"
exit
# zero_ARG (default is 'yes')
check grep_dmsetup table $vg-pool -v "zeroing"
lvchange --zero n $vg/pool
@ -112,10 +119,10 @@ lvchange --deltag foo $vg/pool
# discards_ARG
lvchange --discards nopassdown $vg/pool
check grep_dmsetup table $vg-pool-tpool " no_discard_passdown"
check grep_dmsetup status $vg-pool-tpool " no_discard_passdown"
test -n "$no_discard" || check grep_dmsetup status $vg-pool-tpool " no_discard_passdown"
lvchange --discards passdown $vg/pool
check grep_dmsetup table $vg-pool-tpool -v "passdown"
check grep_dmsetup status $vg-pool-tpool " discard_passdown"
test -n "$no_discard" || check grep_dmsetup status $vg-pool-tpool " discard_passdown"
# zero_ARG
lvchange --zero n $vg/pool