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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2022 Oracle. All Rights Reserved.
#
# FS QA Test 547
#
# Verify that correct inode extent count fields are populated with and without
# nrext64 feature.
#
. ./common/preamble
_begin_fstest auto quick metadata
# Import common functions.
. ./common/filter
. ./common/attr
. ./common/inject
. ./common/populate
# real QA test starts here
_supported_fs xfs
_require_scratch
_require_xfs_nrext64
_require_attrs
_require_xfs_debug
_require_xfs_db_command path
_require_test_program "punch-alternating"
_require_xfs_io_error_injection "bmap_alloc_minlen_extent"
for nrext64 in 0 1; do
echo "* Verify extent counter fields with nrext64=${nrext64} option"
_scratch_mkfs -i nrext64=${nrext64} -d size=$((512 * 1024 * 1024)) \
>> $seqres.full
_scratch_mount >> $seqres.full
# Force data device extents so that we can fragment the free space
# and force attr fork allocations to be non-contiguous
_xfs_force_bdev data $SCRATCH_MNT
bsize=$(_get_file_block_size $SCRATCH_MNT)
testfile=$SCRATCH_MNT/testfile
nr_blks=20
echo "Add blocks to test file's data fork"
$XFS_IO_PROG -f -c "pwrite 0 $((nr_blks * bsize))" $testfile \
>> $seqres.full
$here/src/punch-alternating $testfile
echo "Consume free space"
fillerdir=$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 >> $seqres.full
done
echo "Inject bmap_alloc_minlen_extent error tag"
_scratch_inject_error bmap_alloc_minlen_extent 1
echo "Add blocks to test file's attr fork"
attr_len=255
nr_attrs=$((nr_blks * bsize / 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
_scratch_unmount >> $seqres.full
dcnt=$(_scratch_xfs_get_metadata_field core.nextents \
"path /$(basename $testfile)")
acnt=$(_scratch_xfs_get_metadata_field core.naextents \
"path /$(basename $testfile)")
echo "nrext64: $nrext64 dcnt: $dcnt acnt: $acnt" >> $seqres.full
if [ -z "$dcnt" ] || (( $dcnt != 10 )); then
echo "Invalid data fork extent count: $dcnt"
exit 1
fi
if [ -z "$acnt" ] || (( $acnt < 10 )); then
echo "Invalid attr fork extent count: $acnt"
exit 1
fi
done
# success, all done
status=0
exit
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