| #! /bin/bash |
| # FS QA Test No. 456 |
| # |
| # This test is motivated by a bug found in ext4 during random crash |
| # consistency tests. |
| # |
| # Fixed by commit 51e3ae81ec58 ("ext4: fix interaction between i_size, |
| # fallocate, and delalloc after a crash") |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (C) 2017 CTERA Networks. All Rights Reserved. |
| # Author: Amir Goldstein <amir73il@gmail.com> |
| # |
| # 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=1 # failure is the default! |
| |
| _cleanup() |
| { |
| _cleanup_flakey |
| cd / |
| rm -f $tmp.* |
| } |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| . ./common/dmflakey |
| |
| # real QA test starts here |
| _supported_fs generic |
| _supported_os Linux |
| _require_scratch |
| _require_dm_target flakey |
| |
| rm -f $seqres.full |
| |
| _scratch_mkfs >> $seqres.full 2>&1 |
| _require_metadata_journaling $SCRATCH_DEV |
| |
| _init_flakey |
| _mount_flakey |
| |
| # See this post for reverse engineering of this auto generated test: |
| # https://marc.info/?l=linux-ext4&m=151137380830381&w=2 |
| fsxops=$tmp.fsxops |
| cat <<EOF > $fsxops |
| write 0x137dd 0xdc69 0x0 |
| fallocate 0xb531 0xb5ad 0x21446 |
| collapse_range 0x1c000 0x4000 0x21446 |
| write 0x3e5ec 0x1a14 0x21446 |
| zero_range 0x20fac 0x6d9c 0x40000 keep_size |
| mapwrite 0x216ad 0x274f 0x40000 |
| EOF |
| run_check $here/ltp/fsx -d --replay-ops $fsxops $SCRATCH_MNT/testfile |
| |
| _flakey_drop_and_remount |
| _unmount_flakey |
| _cleanup_flakey |
| _check_scratch_fs |
| |
| echo "Silence is golden" |
| |
| status=0 |
| exit |