| #! /bin/bash |
| # FSQA Test No. 308 |
| # |
| # Check data integrity and layout stability during defrag compacting |
| # EXT4_IOC_MOVE_EXT simply swap extents between target and donor inode. |
| # So if ioctl was performed twice then inode's layout should not change. |
| # |
| #----------------------------------------------------------------------- |
| # (c) 2014 Dmitry Monakhov |
| # |
| # 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" |
| |
| PIDS="" |
| tmp=/tmp/$$ |
| status=1 # failure is the default! |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| _cleanup() |
| { |
| rm -f $tmp.* |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| . ./common/defrag |
| |
| # real QA test starts here |
| _supported_os Linux |
| _require_scratch |
| _require_defrag |
| _require_xfs_io_command "falloc" |
| |
| rm -f $seqres.full |
| |
| _workout() |
| { |
| nr=$1 |
| echo "Create file with $nr * 2 fragments" |
| # Create sparse file |
| for ((i=0;i<nr;i++)) |
| do |
| $XFS_IO_PROG -f -c "falloc $((409600*i)) 4k" \ |
| $SCRATCH_MNT/test.$nr >> $seqres.full 2>&1 |
| done |
| # Fill holes for half of range , as result file will contain nr*1.5 fragments |
| $XFS_IO_PROG -c "falloc 0 $((204800*nr))" \ |
| $SCRATCH_MNT/test.$nr | _filter_xfs_io |
| # Data wrilte will convert extetns to inialized ones |
| for ((i=0;i<nr;i++)) |
| do |
| patt=`printf "0x%x" $i` |
| $XFS_IO_PROG -c "pwrite -S $patt $((i*123400)) 1234" \ |
| $SCRATCH_MNT/test.$nr | _filter_xfs_io |
| done |
| md5sum $SCRATCH_MNT/test.* | _filter_scratch |
| $XFS_IO_PROG -c "fiemap" -f $SCRATCH_MNT/test.* > $tmp.fiemap.before |
| |
| echo "Perform compacting" |
| $XFS_IO_PROG -c "falloc 0 246M" -f $SCRATCH_MNT/donor | _filter_xfs_io |
| ls $SCRATCH_MNT/test.* | run_check $here/src/e4compact \ |
| -v -i -f $SCRATCH_MNT/donor >> $seqres.full 2>&1 |
| md5sum $SCRATCH_MNT/test.* | _filter_scratch |
| $XFS_IO_PROG -c "fiemap" -f $SCRATCH_MNT/test.* > $tmp.fiemap.pass1 |
| diff $tmp.fiemap.before $tmp.fiemap.pass1 > /dev/null && \ |
| _fail "Pass1: Extent's layout not changed" |
| |
| echo "Perform compacting, second pass" |
| # Second pass should restore original layout |
| ls $SCRATCH_MNT/test.* | run_check $here/src/e4compact \ |
| -v -f $SCRATCH_MNT/donor >> $seqres.full 2>&1 |
| md5sum $SCRATCH_MNT/test.* | _filter_scratch |
| $XFS_IO_PROG -c "fiemap" -f $SCRATCH_MNT/test.* > $tmp.fiemap.pass2 |
| diff -up $tmp.fiemap.before $tmp.fiemap.pass2 || \ |
| _fail "Pass2: Extent's layout changed." |
| unlink $SCRATCH_MNT/donor |
| } |
| |
| # Actual testing starting from here |
| _scratch_mkfs >> $seqres.full 2>&1 |
| _scratch_mount |
| _workout 10 |
| _workout 20 |
| _workout 40 |
| _workout 80 |
| _workout 160 |
| status=0 |