| #! /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 |