| #! /bin/bash |
| # FS QA Test No. 278 |
| # |
| # Test xfs_repair to ensure it fixes the lost+found link count |
| # at the first run. See also commit 198b747f255346bca64408875763b6ca0ed3d57d |
| # from xfsprogs tree. |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2011 Red Hat, Inc. All Rights Reserved. |
| # |
| # This program is free software; you can redistribute it and/or |
| # modify it under the terms of the GNU General Public License as |
| # published by the Free Software Foundation. |
| # |
| # This program is distributed in the hope that it would be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program; if not, write the Free Software Foundation, |
| # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| #----------------------------------------------------------------------- |
| # |
| |
| seq=`basename $0` |
| seqres=$RESULT_DIR/$seq |
| echo "QA output created by $seq" |
| |
| here=`pwd` |
| tmp=/tmp/$$ |
| status=0 # failure is the default! |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| _cleanup() |
| { |
| cd / |
| rm -f $tmp.* |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| |
| # real QA test starts here |
| _supported_fs xfs |
| _supported_os Linux |
| _require_scratch |
| |
| rm -f $seqres.full |
| _scratch_mkfs >$seqres.full 2>&1 |
| _scratch_mount |
| |
| mkdir -p $SCRATCH_MNT/dir/subdir |
| |
| #get inodes to be changed |
| DIR_INO=`ls -i $SCRATCH_MNT |awk '{print $1}'` |
| SUBDIR_INO=`ls -i $SCRATCH_MNT/dir |awk '{print $1}'` |
| |
| _scratch_unmount |
| |
| echo "Silence is goodness..." |
| |
| get_sfdir_prefix() { |
| local dir_ino="$1" |
| |
| for prefix in "u.sfdir3" "u.sfdir2" "u3.sfdir3"; do |
| if [ -n "$(_scratch_xfs_get_metadata_field \ |
| "${prefix}.hdr.parent.i4" \ |
| "inode ${dir_ino}")" ]; then |
| echo "${prefix}" |
| return 0 |
| fi |
| done |
| _scratch_xfs_db -c "inode ${dir_ino}" -c 'p' >> $seqres.full |
| return 1 |
| } |
| set_ifield() { |
| _scratch_xfs_set_metadata_field "$1" 0 "inode $2" >> $seqres.full |
| } |
| |
| sfdir_prefix="$(get_sfdir_prefix "$DIR_INO" || \ |
| _fail "Cannot determine sfdir prefix")" |
| |
| # Corrupt DIR |
| |
| set_ifield "${sfdir_prefix}.list[0].inumber.i4" "$DIR_INO" |
| set_ifield "${sfdir_prefix}.list[0].name" "$DIR_INO" |
| set_ifield "${sfdir_prefix}.list[0].offset" "$DIR_INO" |
| set_ifield "${sfdir_prefix}.list[0].namelen" "$DIR_INO" |
| set_ifield "${sfdir_prefix}.hdr.parent.i4" "$DIR_INO" |
| set_ifield "core.nlinkv2" "$DIR_INO" |
| |
| # Corrupt SUBDIR |
| set_ifield "${sfdir_prefix}.hdr.parent.i4" "$SUBDIR_INO" |
| set_ifield "core.nlinkv2" "$SUBDIR_INO" |
| |
| echo "===== BEGIN of xfs_repair =====" >> $seqres.full |
| echo "" >>$seqres.full |
| |
| xfs_repair $SCRATCH_DEV >> $seqres.full 2>&1 |
| echo "===== END of xfs_repair =====" >> $seqres.full |
| |
| exit |