| #! /bin/bash |
| # FS QA Test No. 008 |
| # |
| # randholes test |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2000-2002 Silicon Graphics, 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/$$ |
| status=0 # success is the default! |
| pgsize=`$here/src/feature -s` |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| _cleanup() |
| { |
| rm -f $tmp.* |
| rm -rf $TEST_DIR/randholes.$$.* |
| } |
| |
| _filter() |
| { |
| sed -e "s/-b $pgsize/-b PGSIZE/g" \ |
| -e "s/-l .* -c/-l FSIZE -c/g" |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| |
| _do_test() |
| { |
| _n="$1" |
| _holes="$2" |
| _param="$3" |
| |
| out=$TEST_DIR/randholes.$$.$_n |
| echo "" |
| echo "randholes.$_n : $_param" | _filter |
| echo "------------------------------------------" |
| if $here/src/randholes $_param $out >$tmp.out |
| then |
| # only check if we're not allocating in huge chunks (extsz flag) |
| if _test_inode_flag extsize $out || _test_inode_flag realtime $out |
| then |
| echo "holes is in range" |
| else |
| # quick check - how many holes did we get? |
| count=`xfs_bmap $out | egrep -c ': hole'` |
| # blocks can end up adjacent, therefore number of holes varies |
| _within_tolerance "holes" $count $_holes 10% -v |
| fi |
| else |
| echo " randholes returned $? - see $seq.out.full" |
| echo "--------------------------------------" >>$seqres.full |
| echo "$_n - output from randholes:" >>$seqres.full |
| echo "--------------------------------------" >>$seqres.full |
| cat $tmp.out >>$seqres.full |
| echo "--------------------------------------" >>$seqres.full |
| echo "$_n - output from bmap:" >>$seqres.full |
| echo "--------------------------------------" >>$seqres.full |
| xfs_bmap -vvv $out >>$seqres.full |
| status=1 |
| fi |
| } |
| |
| # real QA test starts here |
| _supported_fs xfs |
| _supported_os Linux |
| _require_test |
| |
| rm -f $seqres.full |
| |
| # Note on special numbers here. |
| # |
| # We are trying to create roughly 50 or 100 holes in a file |
| # using random writes. Assuming a good distribution of 50 writes |
| # in a file, the file only needs to be 3-4x the size of the write |
| # size muliplied by the number of writes. Hence we use 200 * pgsize |
| # for files we want 50 holes in and 400 * pgsize for files we want |
| # 100 holes in. This keeps the runtime down as low as possible. |
| # |
| _do_test 1 50 "-l `expr 200 \* $pgsize` -c 50 -b $pgsize" |
| _do_test 2 100 "-l `expr 400 \* $pgsize` -c 100 -b $pgsize" |
| _do_test 3 100 "-l `expr 400 \* $pgsize` -c 100 -b 512" # test partial pages |
| |
| # rinse, lather, repeat for direct IO |
| _do_test 4 50 "-d -l `expr 200 \* $pgsize` -c 50 -b $pgsize" |
| _do_test 5 100 "-d -l `expr 400 \* $pgsize` -c 100 -b $pgsize" |
| # note: direct IO requires page aligned IO |
| |
| # todo: realtime. |
| |
| # success, all done |
| exit |