| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2015, Oracle and/or its affiliates. All Rights Reserved. |
| # |
| # FS QA Test No. 181 |
| # |
| # Test the convention that reflink with length == 0 means "to the end of fileA" |
| # - Create a file. |
| # - Try to reflink "zero" bytes. |
| # - Check that the reflink happened. |
| # |
| . ./common/preamble |
| _begin_fstest auto quick clone |
| |
| # Override the default cleanup function. |
| _cleanup() |
| { |
| cd / |
| rm -rf $tmp.* $testdir |
| } |
| |
| # Import common functions. |
| . ./common/filter |
| . ./common/reflink |
| |
| # real QA test starts here |
| _require_test_reflink |
| _require_cp_reflink |
| |
| testdir=$TEST_DIR/test-$seq |
| rm -rf $testdir |
| mkdir $testdir |
| |
| echo "Create the original files" |
| blksz=65536 |
| _pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file1 >> $seqres.full |
| _pwrite_byte 0x62 0 $((blksz * 256)) $testdir/file2 >> $seqres.full |
| _pwrite_byte 0x62 0 $((blksz * 2)) $testdir/file2.chk >> $seqres.full |
| _pwrite_byte 0x61 $((blksz * 2)) $((blksz * 255)) $testdir/file2.chk >> $seqres.full |
| _reflink_range $testdir/file1 $blksz $testdir/file2 $((blksz * 2)) 0 >> $seqres.full |
| _test_cycle_mount |
| |
| md5sum $testdir/file1 | _filter_test_dir |
| md5sum $testdir/file2 | _filter_test_dir |
| md5sum $testdir/file2.chk | _filter_test_dir |
| |
| c1=$(_md5_checksum $testdir/file1) |
| c2=$(_md5_checksum $testdir/file2) |
| |
| test ${c1} != ${c2} || echo "file1 and file2 should not match" |
| |
| echo "Compare against check files" |
| cmp -s $testdir/file2 $testdir/file2.chk || echo "file2 and file2.chk do not match" |
| |
| # success, all done |
| status=0 |
| exit |