From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id DE7FB212E259E for ; Sat, 27 Jul 2019 14:57:41 -0700 (PDT) Subject: [ndctl PATCH v2 18/26] ndctl/test: Exercise sub-section sized namespace creation/deletion From: Dan Williams Date: Sat, 27 Jul 2019 14:40:58 -0700 Message-ID: <156426365799.531577.4076109633772194960.stgit@dwillia2-desk3.amr.corp.intel.com> In-Reply-To: <156426356088.531577.14828880045306313118.stgit@dwillia2-desk3.amr.corp.intel.com> References: <156426356088.531577.14828880045306313118.stgit@dwillia2-desk3.amr.corp.intel.com> MIME-Version: 1.0 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" To: linux-nvdimm@lists.01.org List-ID: For kernels that have removed the section-aligned namespace constraint validate that multiple namespaces can be created / deleted that collide within a given section. While this test acts on the ACPI.NFIT bus it is not marked "destructive" because it only operates in available capacity and marks each namespace created with a unique volume name ("subsection-test"). Signed-off-by: Dan Williams --- test/Makefile.am | 1 + test/sub-section.sh | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 79 insertions(+) create mode 100755 test/sub-section.sh diff --git a/test/Makefile.am b/test/Makefile.am index 2a1e03d26f6c..decc8377258a 100644 --- a/test/Makefile.am +++ b/test/Makefile.am @@ -45,6 +45,7 @@ if ENABLE_DESTRUCTIVE TESTS +=\ blk-ns \ pmem-ns \ + sub-section.sh \ dax-dev \ dax.sh \ device-dax \ diff --git a/test/sub-section.sh b/test/sub-section.sh new file mode 100755 index 000000000000..c624fbdb2ce0 --- /dev/null +++ b/test/sub-section.sh @@ -0,0 +1,78 @@ +#!/bin/bash -x + +# SPDX-License-Identifier: GPL-2.0 +# Copyright(c) 2015-2019 Intel Corporation. All rights reserved. + +set -e + +SKIP=77 +FAIL=1 +SUCCESS=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 + rmdir $MNT + # opportunistic cleanup, not fatal if these fail + namespaces=$($NDCTL list -N | jq -r ".[] | select(.name==\"$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 _______________________________________________ Linux-nvdimm mailing list Linux-nvdimm@lists.01.org https://lists.01.org/mailman/listinfo/linux-nvdimm