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Wong > Signed-off-by: Chandan Babu R Looks ok Reviewed-by: Allison Henderson > --- > tests/xfs/531 | 139 ++++++++++++++++++++++++++++++++++++++++++++++ > tests/xfs/531.out | 18 ++++++ > tests/xfs/group | 1 + > 3 files changed, 158 insertions(+) > create mode 100755 tests/xfs/531 > create mode 100644 tests/xfs/531.out > > diff --git a/tests/xfs/531 b/tests/xfs/531 > new file mode 100755 > index 00000000..432c02cb > --- /dev/null > +++ b/tests/xfs/531 > @@ -0,0 +1,139 @@ > +#! /bin/bash > +# SPDX-License-Identifier: GPL-2.0 > +# Copyright (c) 2021 Chandan Babu R. All Rights Reserved. > +# > +# FS QA Test 531 > +# > +# Verify that XFS does not cause inode fork's extent count to overflow when > +# adding/removing xattrs. > +seq=`basename $0` > +seqres=$RESULT_DIR/$seq > +echo "QA output created by $seq" > + > +here=`pwd` > +tmp=/tmp/$$ > +status=1 # failure is the default! > +trap "_cleanup; exit \$status" 0 1 2 3 15 > + > +_cleanup() > +{ > + cd / > + rm -f $tmp.* > +} > + > +# get standard environment, filters and checks > +. ./common/rc > +. ./common/filter > +. ./common/attr > +. ./common/inject > +. ./common/populate > + > +# remove previous $seqres.full before test > +rm -f $seqres.full > + > +# real QA test starts here > + > +_supported_fs xfs > +_require_scratch > +_require_attrs > +_require_xfs_debug > +_require_test_program "punch-alternating" > +_require_xfs_io_error_injection "reduce_max_iextents" > +_require_xfs_io_error_injection "bmap_alloc_minlen_extent" > + > +echo "Format and mount fs" > +_scratch_mkfs_sized $((1024 * 1024 * 1024)) >> $seqres.full > +_scratch_mount >> $seqres.full > + > +bsize=$(_get_block_size $SCRATCH_MNT) > + > +attr_len=255 > + > +testfile=$SCRATCH_MNT/testfile > + > +echo "Consume free space" > +fillerdir=$SCRATCH_MNT/fillerdir > +nr_free_blks=$(stat -f -c '%f' $SCRATCH_MNT) > +nr_free_blks=$((nr_free_blks * 90 / 100)) > + > +_fill_fs $((bsize * nr_free_blks)) $fillerdir $bsize 0 >> $seqres.full 2>&1 > + > +echo "Create fragmented filesystem" > +for dentry in $(ls -1 $fillerdir/); do > + $here/src/punch-alternating $fillerdir/$dentry >> $seqres.full > +done > + > +echo "Inject reduce_max_iextents error tag" > +_scratch_inject_error reduce_max_iextents 1 > + > +echo "Inject bmap_alloc_minlen_extent error tag" > +_scratch_inject_error bmap_alloc_minlen_extent 1 > + > +echo "* Set xattrs" > + > +echo "Create \$testfile" > +touch $testfile > + > +echo "Create xattrs" > +nr_attrs=$((bsize * 20 / attr_len)) > +for i in $(seq 1 $nr_attrs); do > + attr="$(printf "trusted.%0247d" $i)" > + $SETFATTR_PROG -n "$attr" $testfile >> $seqres.full 2>&1 > + [[ $? != 0 ]] && break > +done > + > +echo "Verify \$testfile's naextent count" > + > +naextents=$(_xfs_get_fsxattr naextents $testfile) > +if (( $naextents > 10 )); then > + echo "Extent count overflow check failed: naextents = $naextents" > + exit 1 > +fi > + > +echo "Remove \$testfile" > +rm $testfile > + > +echo "* Remove xattrs" > + > +echo "Create \$testfile" > +touch $testfile > + > +echo "Disable reduce_max_iextents error tag" > +_scratch_inject_error reduce_max_iextents 0 > + > +echo "Create initial xattr extents" > + > +naextents=0 > +last="" > +start=1 > +nr_attrs=$((bsize / attr_len)) > + > +while (( $naextents < 4 )); do > + end=$((start + nr_attrs - 1)) > + > + for i in $(seq $start $end); do > + attr="$(printf "trusted.%0247d" $i)" > + $SETFATTR_PROG -n $attr $testfile > + done > + > + start=$((end + 1)) > + > + naextents=$(_xfs_get_fsxattr naextents $testfile) > +done > + > +echo "Inject reduce_max_iextents error tag" > +_scratch_inject_error reduce_max_iextents 1 > + > +echo "Remove xattr to trigger -EFBIG" > +attr="$(printf "trusted.%0247d" 1)" > +$SETFATTR_PROG -x "$attr" $testfile >> $seqres.full 2>&1 > +if [[ $? == 0 ]]; then > + echo "Xattr removal succeeded; Should have failed " > + exit 1 > +fi > + > +rm $testfile && echo "Successfully removed \$testfile" > + > +# success, all done > +status=0 > +exit > diff --git a/tests/xfs/531.out b/tests/xfs/531.out > new file mode 100644 > index 00000000..7b699b7a > --- /dev/null > +++ b/tests/xfs/531.out > @@ -0,0 +1,18 @@ > +QA output created by 531 > +Format and mount fs > +Consume free space > +Create fragmented filesystem > +Inject reduce_max_iextents error tag > +Inject bmap_alloc_minlen_extent error tag > +* Set xattrs > +Create $testfile > +Create xattrs > +Verify $testfile's naextent count > +Remove $testfile > +* Remove xattrs > +Create $testfile > +Disable reduce_max_iextents error tag > +Create initial xattr extents > +Inject reduce_max_iextents error tag > +Remove xattr to trigger -EFBIG > +Successfully removed $testfile > diff --git a/tests/xfs/group b/tests/xfs/group > index 463d810d..7e284841 100644 > --- a/tests/xfs/group > +++ b/tests/xfs/group > @@ -528,3 +528,4 @@ > 528 auto quick quota > 529 auto quick realtime growfs > 530 auto quick punch zero insert collapse > +531 auto quick attr >