mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Darrick J. Wong
0c92d38b7b
Create a helper function to return the number of AGs of a mounted filesystem so that we can get rid of the open-coded versions in various tests. The new helper will be used in a subsequent patch. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
102 lines
2.3 KiB
Bash
Executable File
102 lines
2.3 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2015 Oracle, Inc. All Rights Reserved.
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#
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# FS QA Test No. 085
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#
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# Create and populate an XFS filesystem, corrupt a superblock, then see how
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# the kernel and xfs_repair deal with it.
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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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#rm -f $tmp.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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. ./common/attr
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. ./common/populate
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# real QA test starts here
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_supported_fs xfs
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_supported_os Linux
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_require_scratch
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test -n "${FORCE_FUZZ}" || _require_scratch_xfs_crc
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_require_attrs
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_require_populate_commands
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_require_xfs_db_blocktrash_z_command
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rm -f $seqres.full
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TESTDIR="${SCRATCH_MNT}/scratchdir"
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TESTFILE="${TESTDIR}/testfile"
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echo "+ create scratch fs"
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_scratch_mkfs_xfs > /dev/null
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echo "+ mount fs image"
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_scratch_mount
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blksz="$(stat -f -c '%s' "${SCRATCH_MNT}")"
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echo "+ make some files"
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mkdir -p "${TESTDIR}"
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for x in `seq 1 1024`; do
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touch "${SCRATCH_MNT}/junk.${x}"
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inode="$(stat -c '%i' "${SCRATCH_MNT}/junk.${x}")"
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if [ "$x" -gt 512 ] && [ "$((inode % 64))" -eq 0 ]; then
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mv "${SCRATCH_MNT}/junk.${x}" "${TESTFILE}.1"
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break
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fi
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done
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for x in `seq 2 64`; do
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touch "${TESTFILE}.${x}"
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done
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inode="$(stat -c '%i' "${TESTFILE}.1")"
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agcount="$(_xfs_mount_agcount $SCRATCH_MNT)"
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umount "${SCRATCH_MNT}"
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echo "+ check fs"
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_scratch_xfs_repair -n >> $seqres.full 2>&1 || _fail "xfs_repair should not fail"
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echo "+ corrupt image"
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$XFS_IO_PROG -f -c "pwrite -S 0x62 32 4" "${SCRATCH_DEV}" >> $seqres.full
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echo "+ mount image"
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_try_scratch_mount 2>/dev/null && _fail "mount should not succeed"
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echo "+ repair fs"
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_scratch_xfs_repair >> $seqres.full 2>&1
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echo "+ mount image (2)"
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_scratch_mount
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echo "+ chattr -R -i"
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$CHATTR_PROG -R -f -i "${SCRATCH_MNT}/"
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echo "+ modify files (2)"
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broken=0
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for x in `seq 1 64`; do
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test -e "${TESTFILE}.${x}" || continue
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echo moo | dd oflag=append conv=notrunc of="${TESTFILE}.${x}" 2>/dev/null
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test $? -ne 0 && broken=1
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done
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echo "broken: ${broken}"
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umount "${SCRATCH_MNT}"
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echo "+ check fs (2)"
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_scratch_xfs_repair -n >> $seqres.full 2>&1 || _fail "xfs_repair should not fail"
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status=0
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exit
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