| #!/bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2017 Netapp, Inc. All rights reserved. |
| # |
| # FS QA Test No. 432 |
| # |
| # Tests vfs_copy_file_range(): |
| # - Copy a file |
| # - Use copy to swap data at beginning and end |
| # - Use copy to swap data in the middle |
| # - Use copy to simultaneously overwrite and append to destination file |
| 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 $tmp.* |
| } |
| |
| # get standard environment |
| . common/rc |
| . common/filter |
| |
| # real QA test starts here |
| _supported_fs generic |
| |
| _require_xfs_io_command "copy_range" |
| _require_test |
| |
| testdir=$TEST_DIR/test-$seq |
| rm -rf $testdir |
| mkdir $testdir |
| rm -f $seqres.full |
| |
| echo "Create the original file and then copy" |
| $XFS_IO_PROG -f -c 'pwrite -S 0x61 0 1000' $testdir/file >> $seqres.full 2>&1 |
| $XFS_IO_PROG -f -c 'pwrite -S 0x62 1000 1000' $testdir/file >> $seqres.full 2>&1 |
| $XFS_IO_PROG -f -c 'pwrite -S 0x63 2000 1000' $testdir/file >> $seqres.full 2>&1 |
| $XFS_IO_PROG -f -c 'pwrite -S 0x64 3000 1000' $testdir/file >> $seqres.full 2>&1 |
| $XFS_IO_PROG -f -c 'pwrite -S 0x65 4000 1000' $testdir/file >> $seqres.full 2>&1 |
| $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 4000 -l 1000 $testdir/file" "$testdir/copy" |
| $XFS_IO_PROG -f -c "copy_range -d 4000 -l 1000 $testdir/file" "$testdir/copy" |
| cmp -n 1000 $testdir/file $testdir/copy 4000 |
| cmp -n 3000 $testdir/file $testdir/copy 1000 1000 |
| cmp -n 1000 $testdir/file $testdir/copy 0 4000 |
| 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 1000 -d 3000 -l 1000 $testdir/file" "$testdir/copy" |
| $XFS_IO_PROG -f -c "copy_range -s 3000 -d 1000 -l 1000 $testdir/file" "$testdir/copy" |
| cmp -n 1000 $testdir/file $testdir/copy 4000 |
| cmp -n 1000 $testdir/file $testdir/copy 3000 1000 |
| cmp -n 1000 $testdir/file $testdir/copy 2000 2000 |
| cmp -n 1000 $testdir/file $testdir/copy 1000 3000 |
| cmp -n 1000 $testdir/file $testdir/copy 0 4000 |
| 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 1000 -d 3000 -l 4000 $testdir/file" "$testdir/copy" |
| cmp -n 1000 $testdir/file $testdir/copy 4000 |
| cmp -n 1000 $testdir/file $testdir/copy 3000 1000 |
| cmp -n 1000 $testdir/file $testdir/copy 2000 2000 |
| cmp -n 4000 $testdir/file $testdir/copy 1000 3000 |
| echo "md5sums after copying tail:" |
| md5sum $testdir/{file,copy} | _filter_test_dir |
| |
| #success, all done |
| status=0 |
| exit |