blktests: add NVMeOF mkfs test for file-ns

This adds a new test which formats the ns with file system on the host side
and runs fio data verification workload.

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>

diff --git a/tests/nvme/013 b/tests/nvme/013
new file mode 100755 (executable)
index 0000000..4bb49fa
--- /dev/null
+++ b/tests/nvme/013
@@ -0,0 +1,85 @@
+#!/bin/bash
+# Test mkfs with data verification for file backed ns.
+# Copyright (c) 2017-2018 Western Digital Corporation or its affiliates.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# 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.
+#
+#   Author: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
+#
+
+DESCRIPTION="run mkfs and data verification fio job on NVMeOF file-backed ns"
+TIMED=1
+
+requires() {
+       _have_program nvme && _have_program mkfs.xfs && _have_fio && \
+               _have_module nvmet && _have_module nvme-loop && \
+               _have_configfs
+}
+
+test() {
+       echo "Running ${TEST_NAME}"
+
+       modprobe nvmet
+       modprobe nvme-loop
+
+       local port
+       local ret=0
+       local nvmedev
+       local mount_dir="/mnt/blktests/"
+       local file_path="${TMPDIR}/img"
+
+       local subsys_name="blktests-subsystem-1"
+
+       mkdir -p "${mount_dir}" > /dev/null 2>&1
+
+       truncate -s 1G "${file_path}"
+
+       _create_nvmet_subsystem "${subsys_name}" "${file_path}" \
+               "91fdba0d-f87b-4c25-b80f-db7be1418b9e"
+       port="$(_create_nvmet_port "loop")"
+       _add_nvmet_subsys_to_port "${port}" "${subsys_name}"
+
+       nvme connect -t loop -n "${subsys_name}"
+
+       nvmedev="$(_find_nvme_loop_dev)"
+       cat "/sys/block/${nvmedev}n1/uuid"
+       cat "/sys/block/${nvmedev}n1/wwid"
+
+       umount ${mount_dir} > /dev/null 2>&1
+
+       mkfs.xfs -f /dev/"${nvmedev}n1" > /dev/null 2>&1
+
+       mount /dev/"${nvmedev}n1" "${mount_dir}"
+
+       _run_fio_verify_io --size=800m --directory="${mount_dir}/"
+
+       umount "${mount_dir}" > /dev/null 2>&1
+
+       nvme disconnect -n "${subsys_name}"
+
+       _remove_nvmet_subsystem_from_port "${port}" "${subsys_name}"
+       _remove_nvmet_subsystem "${subsys_name}"
+       _remove_nvmet_port "${port}"
+
+       rm -f local*verify*state
+       rm "${file_path}"
+       rm -fr "${mount_dir}"
+
+       modprobe -r nvme_loop
+       modprobe -r nvmet
+
+       echo "Test complete"
+}

diff --git a/tests/nvme/013.out b/tests/nvme/013.out
new file mode 100644 (file)
index 0000000..f7285a9
--- /dev/null
+++ b/tests/nvme/013.out
@@ -0,0 +1,5 @@
+Running nvme/013
+91fdba0d-f87b-4c25-b80f-db7be1418b9e
+uuid.91fdba0d-f87b-4c25-b80f-db7be1418b9e
+NQN:blktests-subsystem-1 disconnected 1 controller(s)
+Test complete