linux-kernel - Re: [PATCH blktests v1 3/3] nvme/{041,042,043,044,045}: Use default hostnqn and hostid

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Message-ID: <d7ydoif4dhrlndwks6kv6meys3mrjva4vrwt7tbndr2gytvyof@3bivhzxfg2q4>
Date:   Tue, 27 Jun 2023 10:24:26 +0000
From:   Shinichiro Kawasaki <shinichiro.kawasaki@....com>
To:     Daniel Wagner <dwagner@...e.de>
CC:     "linux-nvme@...ts.infradead.org" <linux-nvme@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        Chaitanya Kulkarni <kch@...dia.com>,
        Shin'ichiro Kawasaki <shinichiro@...tmail.com>,
        Sagi Grimberg <sagi@...mberg.me>,
        Hannes Reinecke <hare@...e.de>,
        James Smart <jsmart2021@...il.com>,
        Martin Belanger <Martin.Belanger@...l.com>
Subject: Re: [PATCH blktests v1 3/3] nvme/{041,042,043,044,045}: Use default
 hostnqn and hostid

On Jun 20, 2023 / 15:27, Daniel Wagner wrote:
> The host might have enabled the udev/systemd auto connect feature.
> This disturbs the blktests for the fc transport. nvme-cli is able
> to distinguish between the different invocations via the --context
> option. In order to get this working we have to use the default
> hostnqn and hostid and not randon generated IDs for every single

Nit: s/randon/random/, probably.

Other than that this patch looks good to me.

> run.
> 
> Signed-off-by: Daniel Wagner <dwagner@...e.de>
> ---
>  tests/nvme/041 | 8 ++------
>  tests/nvme/042 | 8 ++------
>  tests/nvme/043 | 8 ++------
>  tests/nvme/044 | 8 ++------
>  tests/nvme/045 | 8 ++------
>  5 files changed, 10 insertions(+), 30 deletions(-)
> 
> diff --git a/tests/nvme/041 b/tests/nvme/041
> index 308655dd6090..5b04b99b128e 100755
> --- a/tests/nvme/041
> +++ b/tests/nvme/041
> @@ -30,12 +30,8 @@ test() {
>  
>  	echo "Running ${TEST_NAME}"
>  
> -	hostid="$(uuidgen)"
> -	if [ -z "$hostid" ] ; then
> -		echo "uuidgen failed"
> -		return 1
> -	fi
> -	hostnqn="nqn.2014-08.org.nvmexpress:uuid:${hostid}"
> +	hostid="${def_hostid}"
> +	hostnqn="${def_hostnqn}"
>  	hostkey="$(nvme gen-dhchap-key -n ${subsys_name} 2> /dev/null)"
>  	if [ -z "$hostkey" ] ; then
>  		echo "nvme gen-dhchap-key failed"
> diff --git a/tests/nvme/042 b/tests/nvme/042
> index fed2efead013..8df5ed37aacc 100755
> --- a/tests/nvme/042
> +++ b/tests/nvme/042
> @@ -32,12 +32,8 @@ test() {
>  
>  	echo "Running ${TEST_NAME}"
>  
> -	hostid="$(uuidgen)"
> -	if [ -z "$hostid" ] ; then
> -		echo "uuidgen failed"
> -		return 1
> -	fi
> -	hostnqn="nqn.2014-08.org.nvmexpress:uuid:${hostid}"
> +	hostid="${def_hostid}"
> +	hostnqn="${def_hostnqn}"
>  
>  	_setup_nvmet
>  
> diff --git a/tests/nvme/043 b/tests/nvme/043
> index a030884aa4ed..b591e39d0706 100755
> --- a/tests/nvme/043
> +++ b/tests/nvme/043
> @@ -33,12 +33,8 @@ test() {
>  
>  	echo "Running ${TEST_NAME}"
>  
> -	hostid="$(uuidgen)"
> -	if [ -z "$hostid" ] ; then
> -		echo "uuidgen failed"
> -		return 1
> -	fi
> -	hostnqn="nqn.2014-08.org.nvmexpress:uuid:${hostid}"
> +	hostid="${def_hostid}"
> +	hostnqn="${def_hostnqn}"
>  
>  	_setup_nvmet
>  
> diff --git a/tests/nvme/044 b/tests/nvme/044
> index 9928bcc55397..fca0897af27b 100755
> --- a/tests/nvme/044
> +++ b/tests/nvme/044
> @@ -32,12 +32,8 @@ test() {
>  
>  	echo "Running ${TEST_NAME}"
>  
> -	hostid="$(uuidgen)"
> -	if [ -z "$hostid" ] ; then
> -		echo "uuidgen failed"
> -		return 1
> -	fi
> -	hostnqn="nqn.2014-08.org.nvmexpress:uuid:${hostid}"
> +	hostid="${def_hostid}"
> +	hostnqn="${def_hostnqn}"
>  
>  	hostkey="$(nvme gen-dhchap-key -n ${subsys_name} 2> /dev/null)"
>  	if [ -z "$hostkey" ] ; then
> diff --git a/tests/nvme/045 b/tests/nvme/045
> index 26a55335a92c..eca629a18691 100755
> --- a/tests/nvme/045
> +++ b/tests/nvme/045
> @@ -36,12 +36,8 @@ test() {
>  
>  	echo "Running ${TEST_NAME}"
>  
> -	hostid="$(uuidgen)"
> -	if [ -z "$hostid" ] ; then
> -		echo "uuidgen failed"
> -		return 1
> -	fi
> -	hostnqn="nqn.2014-08.org.nvmexpress:uuid:${hostid}"
> +	hostid="${def_hostid}"
> +	hostnqn="${def_hostnqn}"
>  
>  	hostkey="$(nvme gen-dhchap-key -n ${subsys_name} 2> /dev/null)"
>  	if [ -z "$hostkey" ] ; then
> -- 
> 2.41.0
>