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https://github.com/linux-apfs/apfstests.git
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Darrick J. Wong
7e98d41a6e
Refactor every test in the entire test suite to use the new boilerplate functions. This also migrates all the test group information into the test files. This patch has been autogenerated via the command: ./tools/convert-group btrfs ceph cifs ext4 f2fs generic nfs ocfs2 overlay perf shared udf xfs Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Allison Henderson <allison.henderson@oracle.com> Reviewed-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
68 lines
2.0 KiB
Bash
Executable File
68 lines
2.0 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved.
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#
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# FS QA Test No. 258
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#
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# Ensuring that copy on write in directio mode to the source file when the
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# CoW range covers delalloc blocks and regular shared blocks.
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# - Set cowextsz.
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# - Create two files.
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# - Truncate the first file.
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# - Write the odd blocks of the first file.
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# - Reflink the odd blocks of the first file into the second file.
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# - Write the even blocks of the first file.
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# - DIO CoW the first file across the halfway mark, starting with the
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# regular extent.
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# - Check that the files are now different where we say they're different.
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#
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. ./common/preamble
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_begin_fstest auto quick clone
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# Import common functions.
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. ./common/filter
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. ./common/reflink
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# real QA test starts here
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_require_scratch_reflink
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_require_xfs_io_command "falloc"
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_require_xfs_io_command "cowextsize"
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_require_odirect
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echo "Format and mount"
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_scratch_mkfs > $seqres.full 2>&1
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_scratch_mount >> $seqres.full 2>&1
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testdir=$SCRATCH_MNT/test-$seq
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mkdir $testdir
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echo "Create the original files"
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blksz=65536
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nr=64
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filesize=$((blksz * nr))
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$XFS_IO_PROG -c "cowextsize $((blksz * 16))" $testdir >> $seqres.full
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_sweave_reflink_holes $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
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_scratch_cycle_mount
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echo "Compare files"
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md5sum $testdir/file1 | _filter_scratch
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md5sum $testdir/file3 | _filter_scratch
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md5sum $testdir/file1.chk | _filter_scratch
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echo "CoW across the transition"
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cowoff=$((filesize / 4))
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cowsz=$((filesize / 2))
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_sweave_reflink_holes_delalloc $blksz $nr $testdir/file1 >> $seqres.full
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$XFS_IO_PROG -d -f -c "pwrite -S 0x63 -b $cowsz $cowoff $cowsz" $testdir/file1 >> $seqres.full
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_pwrite_byte 0x63 $cowoff $cowsz $testdir/file1.chk >> $seqres.full
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_scratch_cycle_mount
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echo "Compare files"
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md5sum $testdir/file1 | _filter_scratch
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md5sum $testdir/file3 | _filter_scratch
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md5sum $testdir/file1.chk | _filter_scratch
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# success, all done
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status=0
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exit
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