Re: [PATCH blktests v4 2/2] nvme: test the nvme reservation feature

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On Mon, Oct 14, 2024 at 05:01:16PM GMT, Guixin Liu wrote:
> +resv_report() {
> +	local test_dev=$1
> +	local report_arg=$2
> +
> +	nvme resv-report "${test_dev}" "${report_arg}" | grep -v "hostid" | \
> +		grep -E "gen|rtype|regctl|regctlext|cntlid|rcsts|rkey"

okay, let's see how this goes.

> +test_resv() {
> +	local nvmedev=$1
> +	local report_arg="--cdw11=1"
> +	test_dev="/dev/${nvmedev}n1"

Please use the namespace lookup helper and don't hardcode the namespace
id.


> +
> +	if nvme resv-report --help 2>&1 | grep -- '--eds' > /dev/null; then
> +		report_arg="--eds"
> +	fi
> +
> +	echo "Register"
> +	resv_report "${test_dev}" "${report_arg}"
> +	nvme resv-register "${test_dev}" --nrkey=4 --rrega=0
> +	resv_report "${test_dev}" "${report_arg}"
> +
> +	echo "Replace"
> +	nvme resv-register "${test_dev}" --crkey=4 --nrkey=5 --rrega=2
> +	resv_report "${test_dev}" "${report_arg}"
> +
> +	echo "Unregister"
> +	nvme resv-register "${test_dev}" --crkey=5 --rrega=1
> +	resv_report "${test_dev}" "${report_arg}"
> +
> +	echo "Acquire"
> +	nvme resv-register "${test_dev}" --nrkey=4 --rrega=0
> +	nvme resv-acquire "${test_dev}" --crkey=4 --rtype=1 --racqa=0
> +	resv_report "${test_dev}" "${report_arg}"
> +
> +	echo "Preempt"
> +	nvme resv-acquire "${test_dev}" --crkey=4 --rtype=2 --racqa=1
> +	resv_report "${test_dev}" "${report_arg}"
> +
> +	echo "Release"
> +	nvme resv-release "${test_dev}" --crkey=4 --rtype=2 --rrela=0
> +	resv_report "${test_dev}" "${report_arg}"
> +
> +	echo "Clear"
> +	nvme resv-register "${test_dev}" --nrkey=4 --rrega=0
> +	nvme resv-acquire "${test_dev}" --crkey=4 --rtype=1 --racqa=0
> +	resv_report "${test_dev}" "${report_arg}"
> +	nvme resv-release "${test_dev}" --crkey=4 --rrela=1
> +}
> +
> +test() {
> +	echo "Running ${TEST_NAME}"
> +
> +	_setup_nvmet
> +
> +	local nvmedev
> +	local skipped=false
> +	local subsys_path=""
> +	local ns_path=""
> +
> +	_nvmet_target_setup --blkdev file --resv_enable
> +	subsys_path="${NVMET_CFS}/subsystems/${def_subsysnqn}"
> +	ns_path="${subsys_path}/namespaces/1"

Again here, it's better not to hardcode the nsid.





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