| #! /bin/bash |
| # FS QA Test No. 473 |
| # |
| # Test for the new ranged query functionality in xfs_io's fiemap command. |
| # This tests various combinations of hole + data layout being printed. |
| # Also the test used 16k holes to be compatible with 16k block filesystems |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2017 SUSE Linux Products GmbH. All Rights Reserved. |
| # Author: Nikolay Borisov <nborisov@suse.com> |
| # |
| # 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=1 # failure is the default! |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| _cleanup() |
| { |
| cd / |
| rm -f $tmp.* |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/punch |
| |
| # remove previous $seqres.full before test |
| rm -f $seqres.full |
| |
| # real QA test starts here |
| |
| # Modify as appropriate. |
| _supported_os Linux |
| _require_test |
| _require_xfs_io_command "truncate" |
| # ranged is a special argument which checks if fiemap supports |
| # [offset [len]] args |
| _require_xfs_io_command "fiemap" "ranged" |
| |
| file=$TEST_DIR/fiemap.$seq |
| rm -f $file |
| |
| # Create a file with 64k hole followed by 64k data, and this pattern |
| # repeats till it reaches 4M file size, so each extent has 64k data. |
| # But truncate file to its final size first, otherwise XFS would merge |
| # some extents due to speculative preallocation. |
| $XFS_IO_PROG -f -c "truncate 4m" $file |
| for i in {0..31}; do |
| $XFS_IO_PROG -c "pwrite $(($i*128+64))k 64k" $file >/dev/null; |
| done |
| |
| # Query 1 data extent between 64k..64k range |
| echo "Basic data extent" |
| $XFS_IO_PROG -c "fiemap -v 64k 64k" $file | _filter_fiemap |
| |
| # Query data and hole extent |
| echo "Data + Hole" |
| $XFS_IO_PROG -c "fiemap -v 64k 80k" $file | _filter_fiemap |
| |
| echo "Hole + Data" |
| $XFS_IO_PROG -c "fiemap -v 0 65k" $file | _filter_fiemap |
| |
| echo "Hole + Data + Hole" |
| $XFS_IO_PROG -c "fiemap -v 0k 130k" $file | _filter_fiemap |
| |
| echo "Data + Hole + Data" |
| $XFS_IO_PROG -c "fiemap -v 64k 192k" $file | _filter_fiemap |
| |
| echo "Beginning with a hole" |
| $XFS_IO_PROG -c "fiemap -v 0 3k" $file | _filter_fiemap |
| |
| # Query for 0..160k that's 40 extents, more than the EXTENT_BATCH |
| echo "Query more than 32 extents" |
| $XFS_IO_PROG -c "fiemap -v 0 3m" $file | _filter_fiemap |
| |
| echo "Larger query than file size" |
| $XFS_IO_PROG -c "fiemap -v 0 5m" $file | _filter_fiemap |
| |
| # mapping past eof shouldn't print anything" |
| $XFS_IO_PROG -c "fiemap -v 5m" $file | _filter_fiemap |
| |
| echo "Skip first hole" |
| # check everything without the first hole |
| $XFS_IO_PROG -c "fiemap -v 64k" $file | _filter_fiemap |
| |
| # success, all done |
| status=0 |
| exit |