Re: [ndctl PATCHv4] ndctl: Use max_available_extent for namespace

["Verma, Vishal L" <vishal.l.verma@intel.com>]

On Fri, 2018-08-03 at 12:26 -0400, Masayoshi Mizuma wrote:
> Hi Vishal,
> 
> On 08/02/2018 04:42 PM, Masayoshi Mizuma wrote:
> ...
> > > If you also wanted to package up this script as a unit test, I'd be
> > > happy to include it. Would be gated on KVER=4.19
> > 
> > Sounds great :-) 
> > Here is the patch for unit test:
> > 
> > --------
> > From: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
> > Date: Thu, 2 Aug 2018 16:20:45 -0400
> > Subject: [PATCH] ndctl, test: add a new unit test for max_available_extent
> >  namespace
> > 
> > Add a new unit test to test max_available_extent namespace.
> > This function is implemented by the following patches.
> > 
> >   kernel side:
> >     https://lists.01.org/pipermail/linux-nvdimm/2018-July/016731.html
> >     https://lists.01.org/pipermail/linux-nvdimm/2018-July/016732.html
> > 
> >   ndctl side:
> >     https://lists.01.org/pipermail/linux-nvdimm/2018-July/017176.html
> > 
> > Signed-off-by: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
> > ---
> >  test/Makefile.am                |  3 ++-
> >  test/max_available_extent_ns.sh | 43 +++++++++++++++++++++++++++++++++
> >  2 files changed, 45 insertions(+), 1 deletion(-)
> >  create mode 100755 test/max_available_extent_ns.sh
> > 
> > diff --git a/test/Makefile.am b/test/Makefile.am
> > index 8c55056..9af2464 100644
> > --- a/test/Makefile.am
> > +++ b/test/Makefile.am
> > @@ -22,7 +22,8 @@ TESTS =\
> >  	firmware-update.sh \
> >  	ack-shutdown-count-set \
> >  	rescan-partitions.sh \
> > -	monitor.sh
> > +	monitor.sh \
> > +	max_available_extent_ns.sh
> >  
> >  check_PROGRAMS =\
> >  	libndctl \
> > diff --git a/test/max_available_extent_ns.sh b/test/max_available_extent_ns.sh
> > new file mode 100755
> > index 0000000..4a44625
> > --- /dev/null
> > +++ b/test/max_available_extent_ns.sh
> > @@ -0,0 +1,43 @@
> > +#!/bin/bash -Ex
> > +
> > +# SPDX-License-Identifier: GPL-2.0
> > +# Copyright(c) 2018, FUJITSU LIMITED. All rights reserved.
> > +
> > +rc=77
> > +
> > +. ./common
> > +
> > +trap 'err $LINENO' ERR
> > +
> > +check_min_kver "4.19" || do_skip "kernel $KVER may not support max_available_size"
> > +
> > +init()
> > +{
> > +	$NDCTL disable-region -b $NFIT_TEST_BUS0 all
> > +	$NDCTL zero-labels -b $NFIT_TEST_BUS0 all
> > +	$NDCTL enable-region -b $NFIT_TEST_BUS0 all
> > +}
> > +
> > +do_test()
> > +{
> > +	region=$($NDCTL list -b nfit_test.0 -R -t pmem | jq -r .[].dev | head -1)
> 
> nfit_test.0 here should be changed to $NFIT_TEST_BUS0.
> Please let me know if I should send the v2 patch.

Ah yes good catch. I hadn't gotten around to applying it yet, so yeah
please send a v2

Thanks,
	-Vishal

> 
> Thanks!
> Masa
> 
> > +
> > +	available_sz=$($NDCTL list -r $region | jq -r .[].available_size)
> > +	size=$(( available_sz/4 ))
> > +
> > +	NS1=$($NDCTL create-namespace -r $region -t pmem -s $size | jq -r .dev)
> > +	NS2=$($NDCTL create-namespace -r $region -t pmem -s $size | jq -r .dev)
> > +	NS3=$($NDCTL create-namespace -r $region -t pmem -s $size | jq -r .dev)
> > +
> > +	$NDCTL disable-namespace $NS2
> > +	$NDCTL destroy-namespace $NS2
> > +
> > +	$NDCTL create-namespace -r $region -t pmem
> > +}
> > +
> > +modprobe nfit_test
> > +rc=1
> > +init
> > +do_test
> > +_cleanup
> > +exit 0
> > 
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