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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2022 Oracle. All Rights Reserved.
#
# FS QA Test 548
#
# Test to verify upgrade of an existing V5 filesystem to support large extent
# counters.
#
. ./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"
_scratch_mkfs -d size=$((512 * 1024 * 1024)) >> $seqres.full
_scratch_mount >> $seqres.full
bsize=$(_get_file_block_size $SCRATCH_MNT)
testfile=$SCRATCH_MNT/testfile
nr_blks=20
echo "Add blocks to 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 >> $seqres.full
done
echo "Inject bmap_alloc_minlen_extent error tag"
_scratch_inject_error bmap_alloc_minlen_extent 1
echo "Add blocks to file's attr fork"
nr_blks=10
attr_len=255
nr_attrs=$((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
echo "Unmount filesystem"
_scratch_unmount >> $seqres.full
orig_dcnt=$(_scratch_xfs_get_metadata_field core.nextents \
"path /$(basename $testfile)")
orig_acnt=$(_scratch_xfs_get_metadata_field core.naextents \
"path /$(basename $testfile)")
echo "Upgrade filesystem to support large extent counters"
_scratch_xfs_admin -O nrext64=1 >> $seqres.full 2>&1
if [[ $? != 0 ]]; then
_notrun "Filesystem geometry is not suitable for upgrading"
fi
echo "Mount filesystem"
_scratch_mount >> $seqres.full
echo "Modify inode core"
touch $testfile
echo "Unmount filesystem"
_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 "Verify inode extent counter values after fs upgrade"
if [[ $orig_dcnt != $dcnt ]]; then
echo "Corrupt data extent counter"
exit 1
fi
if [[ $orig_acnt != $acnt ]]; then
echo "Corrupt attr extent counter"
exit 1
fi
# success, all done
status=0
exit
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