| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2015, Oracle and/or its affiliates. All Rights Reserved. |
| # |
| # FS QA Test No. 116 |
| # |
| # Ensure that we can reflink parts of two identical files: |
| # - Reflink identical parts of two identical files |
| # - Check that we still have identical contents |
| # |
| . ./common/preamble |
| _begin_fstest auto quick clone |
| |
| # Override the default cleanup function. |
| _cleanup() |
| { |
| cd / |
| rm -rf $tmp.* $testdir |
| } |
| |
| # Import common functions. |
| . ./common/filter |
| . ./common/reflink |
| |
| # real QA test starts here |
| _require_test_reflink |
| |
| testdir=$TEST_DIR/test-$seq |
| rm -rf $testdir |
| mkdir $testdir |
| |
| echo "Create the original files" |
| blksz=65536 |
| _pwrite_byte 0x61 $((blksz * 2)) $((blksz * 6)) $testdir/file1 >> $seqres.full |
| _pwrite_byte 0x61 $((blksz * 2)) $((blksz * 6)) $testdir/file2 >> $seqres.full |
| _test_cycle_mount |
| |
| md5sum $testdir/file1 | _filter_test_dir |
| md5sum $testdir/file2 | _filter_test_dir |
| |
| _compare_range $testdir/file1 0 $testdir/file2 0 $((blksz * 8)) \ |
| || echo "Files do not match" |
| |
| echo "Reflink the middle blocks together" |
| free_before=$(stat -f -c '%a' $testdir) |
| _reflink_range $testdir/file1 $((blksz * 4)) $testdir/file2 \ |
| $((blksz * 4)) $((blksz * 2)) >> $seqres.full |
| _test_cycle_mount |
| free_after=$(stat -f -c '%a' $testdir) |
| echo "freesp changed by $free_before -> $free_after" >> $seqres.full |
| |
| echo "Compare sections" |
| md5sum $testdir/file1 | _filter_test_dir |
| md5sum $testdir/file2 | _filter_test_dir |
| |
| _compare_range $testdir/file1 0 $testdir/file2 0 $((blksz * 4)) \ |
| || echo "Start sections do not match" |
| |
| _compare_range $testdir/file1 $((blksz * 4)) $testdir/file2 \ |
| $((blksz * 4)) $((blksz * 2)) \ |
| || echo "Middle sections do not match" |
| |
| _compare_range $testdir/file1 $((blksz * 6)) $testdir/file2 \ |
| $((blksz * 6)) $((blksz * 2)) \ |
| || echo "End sections do not match" |
| |
| # success, all done |
| status=0 |
| exit |