| #! /bin/bash |
| # FS QA Test No. 259 |
| # |
| # Test fs creation on 4 TB minus few bytes partition |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2011 Red Hat. 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 $seq" |
| |
| status=1 # failure is the default! |
| |
| _cleanup() |
| { |
| rm -f "$testfile" |
| } |
| |
| 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 |
| _require_test |
| _require_loop |
| _require_math |
| |
| testfile=$TEST_DIR/259.image |
| |
| # Test various sizes slightly less than 4 TB. Need to handle different |
| # minimum block sizes for CRC enabled filesystems, but use a small log so we |
| # don't write lots of zeros unnecessarily. |
| sizes_to_check="4096 2048 1024 512" |
| blocksizes="4096 2048 1024 512" |
| four_TB=$(_math "2^42") |
| # The initial value of _fs_has_crcs is not important, because we start testing |
| # with 4096 block size, it only matters for 512 block size test |
| _fs_has_crcs=0 |
| for del in $sizes_to_check; do |
| for bs in $blocksizes; do |
| echo "Trying to make (4TB - ${del}B) long xfs, block size $bs" |
| # skip tests with 512 block size if the fs created has crc |
| # enabled by default |
| if [ $_fs_has_crcs -eq 1 -a $bs -eq 512 ]; then |
| break; |
| fi |
| ddseek=$(_math "$four_TB - $del") |
| rm -f "$testfile" |
| dd if=/dev/zero "of=$testfile" bs=1 count=0 seek=$ddseek \ |
| >/dev/null 2>&1 || echo "dd failed" |
| lofile=$(losetup -f) |
| losetup $lofile "$testfile" |
| $MKFS_XFS_PROG -l size=32m -b size=$bs $lofile | _filter_mkfs \ |
| >/dev/null 2> $tmp.mkfs || echo "mkfs failed!" |
| . $tmp.mkfs |
| sync |
| losetup -d $lofile |
| done |
| done |
| |
| status=0 |
| exit |