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https://github.com/linux-apfs/apfstests.git
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Darrick J. Wong
d75c76f63d
Use the xfs set/get metadata field helpers to detect the correct sfdir field name prefix on v4-v5 filesystems. This enables us to test inode link count corrections on a (deliberately) disconnected directory. 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>
105 lines
2.8 KiB
Bash
Executable File
105 lines
2.8 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test No. 278
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#
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# Test xfs_repair to ensure it fixes the lost+found link count
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# at the first run. See also commit 198b747f255346bca64408875763b6ca0ed3d57d
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# from xfsprogs tree.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2011 Red Hat, Inc. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#-----------------------------------------------------------------------
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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=0 # 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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# 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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rm -f $seqres.full
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_scratch_mkfs >$seqres.full 2>&1
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_scratch_mount
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mkdir -p $SCRATCH_MNT/dir/subdir
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#get inodes to be changed
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DIR_INO=`ls -i $SCRATCH_MNT |awk '{print $1}'`
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SUBDIR_INO=`ls -i $SCRATCH_MNT/dir |awk '{print $1}'`
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_scratch_unmount
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echo "Silence is goodness..."
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get_sfdir_prefix() {
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local dir_ino="$1"
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for prefix in "u.sfdir3" "u.sfdir2" "u3.sfdir3"; do
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if [ -n "$(_scratch_xfs_get_metadata_field \
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"${prefix}.hdr.parent.i4" \
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"inode ${dir_ino}")" ]; then
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echo "${prefix}"
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return 0
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fi
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done
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_scratch_xfs_db -c "inode ${dir_ino}" -c 'p' >> $seqres.full
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return 1
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}
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set_ifield() {
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_scratch_xfs_set_metadata_field "$1" 0 "inode $2" >> $seqres.full
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}
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sfdir_prefix="$(get_sfdir_prefix "$DIR_INO" || \
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_fail "Cannot determine sfdir prefix")"
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# Corrupt DIR
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set_ifield "${sfdir_prefix}.list[0].inumber.i4" "$DIR_INO"
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set_ifield "${sfdir_prefix}.list[0].name" "$DIR_INO"
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set_ifield "${sfdir_prefix}.list[0].offset" "$DIR_INO"
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set_ifield "${sfdir_prefix}.list[0].namelen" "$DIR_INO"
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set_ifield "${sfdir_prefix}.hdr.parent.i4" "$DIR_INO"
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set_ifield "core.nlinkv2" "$DIR_INO"
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# Corrupt SUBDIR
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set_ifield "${sfdir_prefix}.hdr.parent.i4" "$SUBDIR_INO"
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set_ifield "core.nlinkv2" "$SUBDIR_INO"
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echo "===== BEGIN of xfs_repair =====" >> $seqres.full
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echo "" >>$seqres.full
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xfs_repair $SCRATCH_DEV >> $seqres.full 2>&1
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echo "===== END of xfs_repair =====" >> $seqres.full
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exit
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