| #! /bin/bash | |
| # FS QA Test No. 203 | |
| # | |
| # Test out reallocation of the extent array in xfs_io. | |
| # Based on a testcase from Tomasz Majkowski <moosh009@gmail.com>. | |
| # | |
| #----------------------------------------------------------------------- | |
| # 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! | |
| _write_holes() | |
| { | |
| file=$1 | |
| holes=$2 | |
| let writes=$holes+1 | |
| let fsize=$(($writes * 0x100000)) | |
| # prevent EOF preallocation from affecting results | |
| xfs_io -f $file -c "truncate $fsize" | |
| offset=0 | |
| for i in `seq 0 $writes`; do | |
| xfs_io -f $file -c "pwrite -q $offset 64k" | |
| let offset=$offset+0x100000 | |
| done | |
| } | |
| # 0: [0..7]: 104..111 | |
| # 1: [8..2047]: hole | |
| _filter_bmap() | |
| { | |
| _filter_scratch | | |
| awk '$3 ~ /hole/ { print $1, $2, $3; next } | |
| {print $1, $2; next}' | |
| } | |
| _cleanup() | |
| { | |
| rm -f $SCRATCH_MNT/r?? | |
| } | |
| trap "_cleanup; exit \$status" 0 1 2 3 15 | |
| rm -f $seq.full | |
| # get standard environment, filters and checks | |
| . ./common.rc | |
| . ./common.filter | |
| # real QA test starts here | |
| _supported_fs xfs | |
| _supported_os Linux | |
| _require_scratch | |
| _scratch_mkfs > /dev/null 2>&1 | |
| _scratch_mount > /dev/null 2>&1 | |
| for i in 10 14 15 16 17 28 29 30 31; do | |
| rm -f $SCRATCH_MNT/hole_file | |
| _write_holes $SCRATCH_MNT/hole_file${i} ${i} | |
| done | |
| for i in 10 14 15 16 17 28 29 30 31; do | |
| xfs_bmap $SCRATCH_MNT/hole_file${i} | _filter_bmap | |
| echo | |
| done | |
| # success, all done | |
| echo "*** done" | |
| status=0 |