Re: [PATCH] common/filter: add _filter_stat

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On Sun, Dec 20, 2020 at 10:40:41PM +0800, Eryu Guan wrote:
> On Tue, Dec 08, 2020 at 10:04:42AM +0800, Murphy Zhou wrote:
> > New stat(2) starts to use statx(7) call. Then if file does not
> > exist, it breaks golden output like this:
> > 
> > -stat: cannot stat 'SCRATCH_MNT/xxx': No such file or directory
> > +stat: cannot statx 'SCRATCH_MNT/xxx': No such file or directory
> > 
> > Add this filter to fix it, and add this filter to testcases that
> > need it.
> > 
> > Signed-off-by: Murphy Zhou <jencce.kernel@xxxxxxxxx>
> > ---
> >  common/filter     | 6 ++++++
> >  tests/generic/397 | 6 +++---
> >  tests/generic/435 | 2 +-
> >  tests/generic/440 | 2 +-
> >  tests/xfs/348     | 2 +-
> >  5 files changed, 12 insertions(+), 6 deletions(-)
> > 
> > diff --git a/common/filter b/common/filter
> > index a8b3882f..6fbf70c2 100644
> > --- a/common/filter
> > +++ b/common/filter
> > @@ -510,6 +510,12 @@ _filter_mv()
> >  	sed -e "s/^renamed //"
> >  }
> >  
> > +# New stat(2) uses statx(7)
> > +_filter_stat()
> > +{
> > +	sed -e "s/cannot statx/cannot stat/"
> > +}
> > +
> 
> Thanks for the fix! But I think maybe it's better to filter 'stat' to
> 'statx' (and update the affected .out files accordingly), so that when
> all distros pick up the new behavior we may eventually remove this
> filter, or at least we won't see failures if new tests forget to use
> _filter_stat, as no-one is testing with old distros.

Agree and Okay, this makes sense.

Thanks very much for the reviewing!

> 
> Thanks,
> Eryu
> 
> >  _filter_lostfound()
> >  {
> >  	sed -e '/^lost+found$/d'
> > diff --git a/tests/generic/397 b/tests/generic/397
> > index 97111555..bb4de31c 100755
> > --- a/tests/generic/397
> > +++ b/tests/generic/397
> > @@ -83,8 +83,8 @@ _unlink_session_encryption_key $keydesc
> >  _scratch_cycle_mount
> >  
> >  # Check that unencrypted names aren't there
> > -stat $SCRATCH_MNT/edir/empty |& _filter_scratch
> > -stat $SCRATCH_MNT/edir/symlink |& _filter_scratch
> > +stat $SCRATCH_MNT/edir/empty |& _filter_stat |& _filter_scratch
> > +stat $SCRATCH_MNT/edir/symlink |& _filter_stat |& _filter_scratch
> >  
> >  # Check that the correct numbers of files and subdirectories are there
> >  ls $SCRATCH_MNT/edir | wc -l
> > @@ -106,7 +106,7 @@ ln -s foo $SCRATCH_MNT/edir/0123456789abcdef |& _filter_scratch
> >  
> >  # Delete the encrypted directory (should succeed)
> >  rm -r $SCRATCH_MNT/edir
> > -stat $SCRATCH_MNT/edir |& _filter_scratch
> > +stat $SCRATCH_MNT/edir |& _filter_stat |& _filter_scratch
> >  
> >  # success, all done
> >  status=0
> > diff --git a/tests/generic/435 b/tests/generic/435
> > index 9f54c6c4..71c5a3f0 100755
> > --- a/tests/generic/435
> > +++ b/tests/generic/435
> > @@ -73,7 +73,7 @@ _scratch_cycle_mount
> >  # and ext4 reported a "Structure needs cleaning" error when removing files.
> >  find $SCRATCH_MNT/edir/ -type f | xargs stat -c %i | sort | uniq | wc -l
> >  rm -rf $SCRATCH_MNT/edir |& head -n 10
> > -stat $SCRATCH_MNT/edir |& _filter_scratch
> > +stat $SCRATCH_MNT/edir |& _filter_stat |& _filter_scratch
> >  
> >  # success, all done
> >  status=0
> > diff --git a/tests/generic/440 b/tests/generic/440
> > index d775f1e0..8a81d60a 100755
> > --- a/tests/generic/440
> > +++ b/tests/generic/440
> > @@ -87,7 +87,7 @@ _scratch_cycle_mount
> >  cat $SCRATCH_MNT/edir2/link
> >  exec 3< $SCRATCH_MNT/edir2/link # pin inode with cached key in memory
> >  _unlink_session_encryption_key $keydesc
> > -stat $SCRATCH_MNT/edir/file |& _filter_scratch
> > +stat $SCRATCH_MNT/edir/file |& _filter_stat |& _filter_scratch
> >  cat "$(find $SCRATCH_MNT/edir/ -type f)"
> >  exec 3>&-
> >  
> > diff --git a/tests/xfs/348 b/tests/xfs/348
> > index 194d9f99..208382fb 100755
> > --- a/tests/xfs/348
> > +++ b/tests/xfs/348
> > @@ -112,7 +112,7 @@ for dt in $dtypes; do
> >  		rm -f $tmp.stat.err
> >  		ftype=$(stat --printf=%F $testdir/$file 2>$tmp.stat.err)
> >  		if [ -s $tmp.stat.err ]; then
> > -			cat $tmp.stat.err
> > +			cat $tmp.stat.err | _filter_stat
> >  		else
> >  			echo "stat: '$testdir/$file' is a $ftype"
> >  			# Verify that readlink of a file posing as a symlink
> > -- 
> > 2.20.1

-- 
Murphy



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