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https://github.com/linux-apfs/apfstests.git
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Darrick J. Wong
4e9ffa1316
Use the existing _check_scratch_fs helper to check the (modified) scratch filesystem in these tests. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
125 lines
3.1 KiB
Bash
Executable File
125 lines
3.1 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2021 Chandan Babu R. All Rights Reserved.
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#
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# FS QA Test 530
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#
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# Verify that XFS does not cause bitmap/summary inode fork's extent count to
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# overflow when growing an the realtime volume of the filesystem.
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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_scratch_unmount >> $seqres.full 2>&1
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test -e "$rtdev" && losetup -d $rtdev >> $seqres.full 2>&1
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rm -f $tmp.* $TEST_DIR/$seq.rtvol
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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. ./common/inject
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. ./common/populate
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# remove previous $seqres.full before test
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rm -f $seqres.full
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# real QA test starts here
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_supported_fs xfs
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# Note that we don't _require_realtime because we synthesize a rt volume
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# below.
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_require_test
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_require_xfs_debug
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_require_test_program "punch-alternating"
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_require_xfs_io_error_injection "reduce_max_iextents"
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_require_xfs_io_error_injection "bmap_alloc_minlen_extent"
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_require_scratch_nocheck
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echo "* Test extending rt inodes"
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_scratch_mkfs | _filter_mkfs >> $seqres.full 2> $tmp.mkfs
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. $tmp.mkfs
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echo "Create fake rt volume"
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nr_bitmap_blks=25
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nr_bits=$((nr_bitmap_blks * dbsize * 8))
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# Realtime extent size has to be atleast 4k in size.
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if (( $dbsize < 4096 )); then
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rtextsz=4096
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else
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rtextsz=$dbsize
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fi
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rtdevsz=$((nr_bits * rtextsz))
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truncate -s $rtdevsz $TEST_DIR/$seq.rtvol
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rtdev=$(_create_loop_device $TEST_DIR/$seq.rtvol)
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echo "Format and mount rt volume"
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export USE_EXTERNAL=yes
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export SCRATCH_RTDEV=$rtdev
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_scratch_mkfs -d size=$((1024 * 1024 * 1024)) -b size=${dbsize} \
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-r size=${rtextsz},extsize=${rtextsz} >> $seqres.full
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_try_scratch_mount || _notrun "Couldn't mount fs with synthetic rt volume"
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echo "Consume free space"
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fillerdir=$SCRATCH_MNT/fillerdir
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nr_free_blks=$(stat -f -c '%f' $SCRATCH_MNT)
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nr_free_blks=$((nr_free_blks * 90 / 100))
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_fill_fs $((dbsize * nr_free_blks)) $fillerdir $dbsize 0 >> $seqres.full 2>&1
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echo "Create fragmented filesystem"
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for dentry in $(ls -1 $fillerdir/); do
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$here/src/punch-alternating $fillerdir/$dentry >> $seqres.full
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done
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echo "Inject reduce_max_iextents error tag"
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_scratch_inject_error reduce_max_iextents 1
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echo "Inject bmap_alloc_minlen_extent error tag"
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_scratch_inject_error bmap_alloc_minlen_extent 1
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echo "Grow realtime volume"
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$XFS_GROWFS_PROG -r $SCRATCH_MNT >> $seqres.full 2>&1
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if [[ $? == 0 ]]; then
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echo "Growfs succeeded; should have failed."
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exit 1
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fi
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_scratch_unmount >> $seqres.full
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echo "Verify rbmino's and rsumino's extent count"
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for rtino in rbmino rsumino; do
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ino=$(_scratch_xfs_get_metadata_field $rtino "sb 0")
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echo "$rtino = $ino" >> $seqres.full
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nextents=$(_scratch_get_iext_count $ino data || \
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_fail "Unable to obtain inode fork's extent count")
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if (( $nextents > 10 )); then
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echo "Extent count overflow check failed: nextents = $nextents"
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exit 1
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fi
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done
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echo "Check filesystem"
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_check_scratch_fs
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losetup -d $rtdev
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rm -f $TEST_DIR/$seq.rtvol
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# success, all done
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status=0
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exit
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