[PATCH 2/2] blktests: add test for ANA state transition

[osandov@osandov.com (Omar Sandoval)]

On Thu, Aug 02, 2018@12:34:55PM +0200, Hannes Reinecke wrote:
> Add a simple test for ANA state transition handling.
> 
> Signed-off-by: Hannes Reinecke <hare at suse.com>
> ---
>  tests/nvme/018     | 153 +++++++++++++++++++++++++++++++++++++++++++++++++++++
>  tests/nvme/018.out |  18 +++++++
>  2 files changed, 171 insertions(+)
>  create mode 100755 tests/nvme/018
>  create mode 100644 tests/nvme/018.out
> 
> diff --git a/tests/nvme/018 b/tests/nvme/018
> new file mode 100755
> index 0000000..b7f9e00
> --- /dev/null
> +++ b/tests/nvme/018
> @@ -0,0 +1,153 @@
> +#!/bin/bash
> +#
> +# Regression test for ANA base support
> +#
> +# Copyright (C) 2018 Hannes Reinecke
> +#
> +# 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 3 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, see <http://www.gnu.org/licenses/>.
> +
> +. tests/nvme/rc
> +
> +DESCRIPTION="test ANA optimized/transitioning/inaccessible support"
> +QUICK=1
> +
> +switch_nvmet_anagroup() {
> +	local port1="$1"
> +	local port2="$2"
> +	local mode="$3"
> +
> +	echo "ANA state ${mode}"
> +
> +	if [ "${mode}" = "change" ] ; then
> +		_set_nvmet_anagroup_state "${port1}" "1" "change"
> +		_set_nvmet_anagroup_state "${port1}" "2" "change"
> +		_set_nvmet_anagroup_state "${port2}" "1" "change"
> +		_set_nvmet_anagroup_state "${port2}" "2" "change"
> +	elif [ "${mode}" = "failover" ] ; then
> +		_set_nvmet_anagroup_state "${port1}" "1" "inaccessible"
> +		_set_nvmet_anagroup_state "${port1}" "2" "optimized"
> +		_set_nvmet_anagroup_state "${port2}" "1" "optimized"
> +		_set_nvmet_anagroup_state "${port2}" "2" "inaccessible"
> +	else
> +		_set_nvmet_anagroup_state "${port1}" "1" "optimized"
> +		_set_nvmet_anagroup_state "${port1}" "2" "inaccessible"
> +		_set_nvmet_anagroup_state "${port2}" "1" "inaccessible"
> +		_set_nvmet_anagroup_state "${port2}" "2" "optimized"
> +	fi
> +}
> +
> +requires() {
> +	_have_program nvme && _have_module nvme-loop && _have_module loop && \
> +		_have_configfs && _have_fio

Sorry for the delay. This needs _have_program mkfs.xfs. Is there any way
to detect if the kernel supports ANA? This fails miserably on 4.18,
obviously.

Thanks!