| #! /bin/bash |
| # FS QA Test No. 201 |
| # |
| # Test out the infamous xfs_btree_delrec corruption. |
| # |
| # Only happens on 32-bit kernels without CONFIG_LBD, but it should be harmless |
| # to run this everywhere. |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2009 Christoph Hellwig. |
| # |
| # 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 |
| #----------------------------------------------------------------------- |
| # |
| # creator |
| owner=hch@lst.de |
| |
| seq=`basename $0` |
| echo "QA output created by $seq" |
| |
| here=`pwd` |
| tmp=/tmp/$$ |
| status=1 # failure is the default! |
| |
| do_pwrite() |
| { |
| offset=`expr $1 \* 512` |
| end=`expr $2 \* 512` |
| length=`expr $end - $offset` |
| |
| xfs_io -d -f $file -c "pwrite $offset $length" >/dev/null |
| } |
| |
| |
| |
| _cleanup() |
| { |
| umount $SCRATCH_MNT |
| } |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| # get standard environment, filters and checks |
| . ./common.rc |
| . ./common.filter |
| |
| # real QA test starts here |
| _supported_fs xfs |
| _supported_os Linux |
| |
| file=$SCRATCH_MNT/f |
| |
| _require_scratch |
| |
| _scratch_mkfs_xfs >/dev/null 2>&1 |
| _scratch_mount |
| |
| # Create a fragmented file |
| do_pwrite 30792 31039 |
| do_pwrite 30320 30791 |
| do_pwrite 29688 30319 |
| do_pwrite 29536 29687 |
| do_pwrite 27216 29535 |
| do_pwrite 24368 27215 |
| do_pwrite 21616 24367 |
| do_pwrite 20608 21615 |
| do_pwrite 19680 20607 |
| do_pwrite 19232 19679 |
| do_pwrite 17840 19231 |
| do_pwrite 16928 17839 |
| do_pwrite 15168 16927 |
| do_pwrite 14048 15167 |
| do_pwrite 12152 14047 |
| do_pwrite 11344 12151 |
| do_pwrite 8792 11343 |
| do_pwrite 6456 8791 |
| do_pwrite 5000 6455 |
| do_pwrite 1728 4999 |
| do_pwrite 0 1727 |
| |
| sync |
| sync |
| |
| # and truncate it again |
| > $SCRATCH_MNT/bigfile |
| |
| # success, all done |
| echo "*** done" |
| rm -f $seq.full |
| status=0 |
