Re: [PATCH] fstests: make some xfs project quota tests generic

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On Fri, Sep 23, 2016 at 12:25:00PM +0800, Eryu Guan wrote:
> On Thu, Sep 22, 2016 at 05:51:03PM -0500, Eric Sandeen wrote:
> > This patch makes some xfs project quota tests generic,
> > so that there is at least some coverage on ext4 for this
> > (semi-)new feature.
> > 
> > It requires bleeding edge xfsprogs, so that xfs_quota and 
> > xfs_io's chproj command can operate on "foreign" filesystems,
> > and requires relatively new e2fsprogs to enable the project
> > quota feature on-disk.
> > 
> > The mechanism for enabling project quota on ext4 is a bit
> > arcane, but hopefully I've encapsulated it reasonably well here.
> > 
> > Changes:
> > 
> > * look for "project" feature in _require_prjquota
> > * look for accounting not enforcement (-P) in _require_prjquota
> > * add a _scratch_enable_pquota to turn on project quota feature
> > * s/pquota/quota/ in _qmount_option for ext4
> > * add helper to test for xfs_io chproj on foreign filesystems
> > * switch from block to inode quota in xfs/133 because empty
> >   ext4 dirs consume one block
> > * cosmetic/generic changes for mkfs, require tests, etc.
> > 
> > Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
> > ---
> > 
> > Eryu, would you like to do the move-to-generic/ since you'll need
> > to renumber them anyway? :)
> > 
> > Note -
> > This requires the previous patch I sent to the fstests list,
> > 
> > [PATCH 2/3 V2] modify xfs/ quota tests to work on generic filesystems
> > 
> > diff --git a/common/quota b/common/quota
> > index afc1606..556eba6 100644
> > --- a/common/quota
> > +++ b/common/quota
> > @@ -92,12 +92,16 @@ _require_xfs_quota_foreign()
> >  }
> >  
> >  #
> > -# checks that the XFS project quota support in the kernel is enabled.
> > +# checks that the project quota support in the kernel is enabled.
> >  #
> >  _require_prjquota()
> >  {
> >      [ -n "$1" ] && _dev="$1" || _dev="$TEST_DEV"
> > -    src/feature -p $_dev
> > +    if [ "$FSTYP" == "ext4" ]; then
> > +	dumpe2fs -h $_dev 2>&1 | grep -qw project || \
> > +		_notrun "Project quota not available on this ext4"
> > +    fi
> > +    src/feature -P $_dev
> >      [ $? -ne 0 ] && _notrun "Installed kernel does not support project quotas"
> >      if [ "$USE_EXTERNAL" = yes -a ! -z "$_dev" ]; then
> >  	_notrun "Project quotas not supported on realtime filesystem"
> > @@ -105,6 +109,16 @@ _require_prjquota()
> >  }
> >  
> >  #
> > +# ext4 (for now) is unique in that we must enable the project quota feature
> > +# prior to mount.  This is a relatively new feature ...
> > +_scratch_enable_pquota()
> > +{
> > +	[ "$FSTYP" != "ext4" ] && return
> > +
> > +	tune2fs -O quota,project $SCRATCH_DEV >>$seqres.full 2>&1
> > +}
> > +
> > +#
> >  # checks for user nobody in /etc/passwd and /etc/group.
> >  #
> >  _require_nobody()
> > @@ -197,6 +211,8 @@ _qmount()
> >  #
> >  _qmount_option()
> >  {
> > +	OPTS=$1
> > +
> >  	# Replace any user defined quota options
> >  	# with the quota option that we want.
> >  	# Simplest to do this rather than delete existing ones first because
> > @@ -210,16 +226,23 @@ _qmount_option()
> >  		-e 's/gquota/QUOTA/g'      \
> >  		-e 's/grpquota/QUOTA/g'    \
> >  		-e 's/pquota/QUOTA/g'      \

Seems we need the same fix here too?

Thanks,
Eryu

> > -		-e 's/prjquota/QUOTA/g'      \
> > +		-e 's/prjquota/QUOTA/g'    \
> >  		-e 's/quota/QUOTA/g'       \
> >  		-e 's/uqnoenforce/QUOTA/g' \
> >  		-e 's/gqnoenforce/QUOTA/g' \
> >  		-e 's/pqnoenforce/QUOTA/g' \
> >  		-e 's/qnoenforce/QUOTA/g'  \
> > -		-e "s/QUOTA/$1/g"`
> > +		-e "s/QUOTA/$OPTS/g"`
> >  
> > +	# ext4 doesn't _do_ "-o pquota/prjquota" because reasons
> > +	# Switch it to "quota" to enable mkfs-time pquota
> > +	if [ "$FSTYP" == "ext4" ]; then
> > +		OPTS=`echo $OPTS \
> > +		| sed	-e 's/pquota/quota/g'	\
> > +			-e 's/prjquota/quota/g'`
> > +	fi
> 
> This replaces "grpquota" to "grquota" and mount failed because of
> unknown mount option "grquota". The following change works for me:
> 
> -             | sed   -e 's/pquota/quota/g'   \
> +             | sed   -e 's/\bpquota/quota/g' \
> 
> If you can give me an ack (or another fix), I can fold it into the
> original patch.
> 
> Thanks,
> Eryu
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