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https://github.com/linux-apfs/apfstests.git
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Darrick J. Wong
af7ac9448f
Make sure that the needsrepair feature flag can be cleared only by repair and that mounts are prohibited when the feature is set. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Brian Foster <bfoster@redhat.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
92 lines
2.8 KiB
Bash
Executable File
92 lines
2.8 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0-or-later
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# Copyright (c) 2021 Oracle. All Rights Reserved.
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#
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# FS QA Test No. 155
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#
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# Populate a filesystem with all types of metadata, then run repair with the
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# libxfs write failure trigger set to go after a single write. Check that the
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# injected error trips, causing repair to abort, that needsrepair is set on the
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# fs, the kernel won't mount; and that a non-injecting repair run clears
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# needsrepair and makes the filesystem mountable again.
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#
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# Repeat with the trip point set to successively higher numbers of writes until
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# we hit ~200 writes or repair manages to run to completion without tripping.
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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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rm -f $tmp.*
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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/populate
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. ./common/filter
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# real QA test starts here
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_supported_fs xfs
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_require_scratch_nocheck
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_require_scratch_xfs_crc # needsrepair only exists for v5
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_require_populate_commands
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_require_libxfs_debug_flag LIBXFS_DEBUG_WRITE_CRASH
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rm -f $seqres.full
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# Populate the filesystem
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_scratch_populate_cached nofill >> $seqres.full 2>&1
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max_writes=200 # 200 loops should be enough for anyone
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nr_incr=$((13 / TIME_FACTOR))
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test $nr_incr -lt 1 && nr_incr=1
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for ((nr_writes = 1; nr_writes < max_writes; nr_writes += nr_incr)); do
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# Add a tiny bit of randomness into each run
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allowed_writes=$(( nr_writes + (RANDOM % 7) ))
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echo "Setting debug hook to crash after $allowed_writes writes." >> $seqres.full
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# Start a repair and force it to abort after some number of writes
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LIBXFS_DEBUG_WRITE_CRASH=ddev=$allowed_writes \
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_scratch_xfs_repair 2>> $seqres.full
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res=$?
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if [ $res -ne 0 ] && [ $res -ne 137 ]; then
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echo "repair failed with $res??"
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break
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elif [ $res -eq 0 ]; then
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[ $nr_writes -eq 1 ] && \
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echo "ran to completion on the first try?"
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break
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fi
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# Check the state of NEEDSREPAIR after repair fails. If it isn't set
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# but repair -n says the fs is clean, then it's possible that the
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# injected error caused it to abort immediately after the write that
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# cleared NEEDSREPAIR.
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if ! _check_scratch_xfs_features NEEDSREPAIR > /dev/null &&
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! _scratch_xfs_repair -n &>> $seqres.full; then
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echo "NEEDSREPAIR should be set on corrupt fs"
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fi
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done
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# If NEEDSREPAIR is still set on the filesystem, ensure that a full run
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# cleans everything up.
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if _check_scratch_xfs_features NEEDSREPAIR > /dev/null; then
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echo "Clearing NEEDSREPAIR" >> $seqres.full
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_scratch_xfs_repair 2>> $seqres.full
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_check_scratch_xfs_features NEEDSREPAIR > /dev/null && \
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echo "Repair failed to clear NEEDSREPAIR on the $nr_writes writes test"
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fi
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# success, all done
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echo Silence is golden.
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status=0
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exit
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