[bug report] most of blktests nvme/ failed on the latest linux tree

[Daniel Wagner]

On Wed, Jun 28, 2023 at 02:00:57PM +0300, Max Gurtovoy wrote:
 > --- a/tests/nvme/rc
> > +++ b/tests/nvme/rc
> > @@ -14,8 +14,23 @@ def_remote_wwnn="0x10001100aa000001"
> >   def_remote_wwpn="0x20001100aa000001"
> >   def_local_wwnn="0x10001100aa000002"
> >   def_local_wwpn="0x20001100aa000002"
> > -def_hostnqn="$(cat /etc/nvme/hostnqn 2> /dev/null)"
> > -def_hostid="$(cat /etc/nvme/hostid 2> /dev/null)"
> > +
> > +if [ -f "/etc/nvme/hostid" ]; then
> > +	def_hostid="$(cat /etc/nvme/hostid 2> /dev/null)"
> > +else
> > +	def_hostid="$(uuidgen)"
> > +fi
> > +if [ -z "$def_hostid" ] ; then
> > +	def_hostid="0f01fb42-9f7f-4856-b0b3-51e60b8de349"
> > +fi
> > +
> > +if [ -f "/etc/nvme/hostnqn" ]; then
> > +	def_hostnqn="$(cat /etc/nvme/hostnqn 2> /dev/null)"
> > +fi
> > +if [ -z "$def_hostnqn" ] ; then
> > +	def_hostnqn="nqn.2014-08.org.nvmexpress:uuid:${def_hostid}"
> > +fi

Is there a specific reason why we want to read the /etc/nvme/hostnqn file at
all? Can't we just use a fixes hostid/hostnqn?