| #!/bin/bash |
| # FS QA Test No. 433 |
| # |
| # Tests vfs_copy_file_range(): |
| # - Copy a small file |
| # - Use copy to swap data at beginning and end |
| # - Use copy to swap data in the middle |
| # - Use copy to swap data in a small file |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2017 Netapp, 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=1 # failure is the default! |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| _cleanup() |
| { |
| cd / |
| rm -rf $tmp.* |
| } |
| |
| # get standard environment |
| . common/rc |
| . common/filter |
| |
| # real QA test starts here |
| _supported_fs generic |
| _supported_os Linux |
| |
| _require_xfs_io_command "copy_range" |
| _require_test |
| |
| testdir=$TEST_DIR/test-$seq |
| rm -rf $testdir |
| mkdir $testdir |
| rm -f $seqres.full |
| |
| echo "Create the original file and then copy" |
| echo -n "abcde" > $testdir/file |
| $XFS_IO_PROG -f -c "copy_range $testdir/file" "$testdir/copy" |
| cmp $testdir/file $testdir/copy |
| echo "Original md5sums:" |
| md5sum $testdir/{file,copy} | _filter_test_dir |
| |
| echo "Swap beginning and end of original file" |
| $XFS_IO_PROG -f -c "copy_range -s 0 -d 4 -l 1 $testdir/file" "$testdir/copy" |
| $XFS_IO_PROG -f -c "copy_range -s 4 -d 0 -l 1 $testdir/file" "$testdir/copy" |
| echo -n "ebcda" | cmp $testdir/copy |
| echo "md5sums after swapping beginning and end:" |
| md5sum $testdir/{file,copy} | _filter_test_dir |
| |
| echo "Swap middle parts of original file" |
| $XFS_IO_PROG -f -c "copy_range -s 1 -d 3 -l 1 $testdir/file" "$testdir/copy" |
| $XFS_IO_PROG -f -c "copy_range -s 3 -d 1 -l 1 $testdir/file" "$testdir/copy" |
| echo -n "edcba" | cmp $testdir/copy |
| echo "md5sums after swapping middle:" |
| md5sum $testdir/{file,copy} | _filter_test_dir |
| |
| echo "Copy tail of original file onto copy" |
| $XFS_IO_PROG -f -c "copy_range -s 1 -d 3 -l 4 $testdir/file" "$testdir/copy" |
| echo -n "edcbcde" | cmp $testdir/copy |
| echo "md5sums after copying tail:" |
| md5sum $testdir/{file,copy} | _filter_test_dir |
| |
| #success, all done |
| status=0 |
| exit |