On Fri, Feb 15, 2019 at 04:41:19PM -0800, Darrick J. Wong wrote: > From: Darrick J. Wong <darrick.wong@xxxxxxxxxx> > > Make sure mkfs won't format filesystems that fail extent size hint > validation. > > Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> > --- > tests/xfs/738 | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ > tests/xfs/738.out | 2 ++ > tests/xfs/group | 1 + > 3 files changed, 51 insertions(+) > create mode 100755 tests/xfs/738 > create mode 100644 tests/xfs/738.out > > diff --git a/tests/xfs/738 b/tests/xfs/738 > new file mode 100755 > index 00000000..ee0ffaae > --- /dev/null > +++ b/tests/xfs/738 > @@ -0,0 +1,48 @@ > +#! /bin/bash > +# SPDX-License-Identifier: GPL-2.0+ > +# Copyright (c) 2019 Oracle, Inc. All Rights Reserved. > +# > +# FS QA Test No. 738 > +# > +# Make sure we can't format a filesystem with insane extent hints. > +# > +seq=`basename $0` > +seqres=$RESULT_DIR/$seq > +echo "QA output created by $seq" > +tmp=/tmp/$$ > +status=1 # failure is the default! > +testfile=$TEST_DIR/$seq.txt > +trap "_cleanup; exit \$status" 0 1 2 3 15 > + > +_cleanup() > +{ > + cd / > + rm -f $tmp.* > +} > + > +# get standard environment, filters and checks > +. ./common/rc > + > +# real QA test starts here > +_supported_fs xfs > +_supported_os Linux > +_require_scratch_nocheck > + > +rm -f $seqres.full > + > +# Try regular extent size hint > +echo extszinherit >> $seqres.full > +_scratch_mkfs -d extszinherit=8388608 >> $seqres.full 2>&1 > +test $? -eq 1 || echo "should have failed extszinherit" That won't fail on 64k block size filesystems.... > +# Try cow extent size hint if supported > +$MKFS_XFS_PROG -N -f $SCRATCH_DEV > $tmp.mkfs > +if grep -q 'reflink=' $tmp.mkfs ; then That's testing mkfs for reflink support, yes? i.e. _scratch_mkfs_xfs_supported -m crc=1,reflink=1 [ need to explicitly say -m crc=1 here, because MKFS_OPTIONS might have -m crc=0, right? ] > --- a/tests/xfs/group > +++ b/tests/xfs/group > @@ -515,6 +515,7 @@ > 731 dangerous_scrub dangerous_online_repair > 736 auto quick unlink > 737 auto quick unlink > +738 auto quick prealloc, too. And maybe mkfs? Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx