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#!/bin/bash -x
# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2015-2020 Intel Corporation. All rights reserved.
set -e
SKIP=77
FAIL=1
SUCCESS=0
. $(dirname $0)/common
check_min_kver "5.3" || do_skip "may lack align sub-section hotplug support"
MNT=test_dax_mnt
mkdir -p $MNT
TEST_SIZE=$((16<<20))
MIN_AVAIL=$((TEST_SIZE*4))
MAX_NS=10
NAME="subsection-test"
ndctl list -N | jq -r ".[] | select(.name==\"subsection-test\") | .dev"
rc=$FAIL
cleanup() {
if [ $rc -ne $SUCCESS ]; then
echo "test/sub-section.sh: failed at line $1"
fi
if mountpoint -q $MNT; then
umount $MNT
fi
rm -rf $MNT
# opportunistic cleanup, not fatal if these fail
namespaces=$($NDCTL list -N | jq -r ".[] | select(.name==\"$NAME\") | .dev")
for i in $namespaces
do
if ! $NDCTL destroy-namespace -f $i; then
echo "test/sub-section.sh: cleanup() failed to destroy $i"
fi
done
exit $rc
}
trap 'err $LINENO cleanup' ERR
json=$($NDCTL list -R -b ACPI.NFIT)
region=$(echo $json | jq -r "[.[] | select(.available_size >= $MIN_AVAIL)][0].dev")
avail=$(echo $json | jq -r "[.[] | select(.available_size >= $MIN_AVAIL)][0].available_size")
if [ -z $region ]; then
exit $SKIP
fi
iter=$((avail/TEST_SIZE))
if [ $iter -gt $MAX_NS ]; then
iter=$MAX_NS;
fi
for i in $(seq 1 $iter)
do
json=$($NDCTL create-namespace -s $TEST_SIZE --no-autorecover -r $region -n "$NAME")
dev=$(echo $json | jq -r ".blockdev")
mkfs.ext4 -b 4096 /dev/$dev
mount -o dax /dev/$dev $MNT
umount $MNT
done
namespaces=$($NDCTL list -N | jq -r ".[] | select(.name==\"$NAME\") | .dev")
for i in $namespaces
do
$NDCTL disable-namespace $i
$NDCTL enable-namespace $i
$NDCTL destroy-namespace $i -f
done
rc=$SUCCESS
cleanup $LINENO
|
