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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>
63 lines
1.8 KiB
Bash
Executable File
63 lines
1.8 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (C) 2019 SUSE Linux Products GmbH. All Rights Reserved.
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#
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# FSQA Test No. 183
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#
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# Regression test for read corruption of compressed and shared extents after
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# punching holes into a file.
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#
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. ./common/preamble
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_begin_fstest auto quick clone compress punch
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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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_supported_fs btrfs
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_require_scratch_reflink
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_require_xfs_io_command "fpunch"
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_scratch_mkfs >>$seqres.full 2>&1
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_scratch_mount "-o compress"
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# Create a file with 3 consecutive compressed extents, each corresponds to 128Kb
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# of data (uncompressed size) and each is stored on disk as a 4Kb extent
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# (compressed size, regardless of compression algorithm used).
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# Each extent starts with 4Kb of zeroes, while the remaining bytes all have a
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# value of 0xff.
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$XFS_IO_PROG -f -c "pwrite -S 0xff 0 384K" \
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-c "pwrite -S 0x00 0 4K" \
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-c "pwrite -S 0x00 128K 4K" \
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-c "pwrite -S 0x00 256K 4K" \
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$SCRATCH_MNT/foobar | _filter_xfs_io
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echo "File digest after initial creation:"
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md5sum $SCRATCH_MNT/foobar | _filter_scratch
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# Clone the first extent into offsets 128K and 256K.
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$XFS_IO_PROG -c "reflink $SCRATCH_MNT/foobar 0 128K 128K" \
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-c "reflink $SCRATCH_MNT/foobar 0 256K 128K" \
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$SCRATCH_MNT/foobar | _filter_xfs_io
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echo "File digest after reflinking:"
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md5sum $SCRATCH_MNT/foobar | _filter_scratch
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# Punch holes into the regions that are already full of zeroes.
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$XFS_IO_PROG -c "fpunch 0 4K" \
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-c "fpunch 128K 4K" \
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-c "fpunch 256K 4K" \
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$SCRATCH_MNT/foobar
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echo "File digest after punching holes:"
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md5sum $SCRATCH_MNT/foobar | _filter_scratch
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echo 1 > /proc/sys/vm/drop_caches
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echo "File digest after dropping page cache:"
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md5sum $SCRATCH_MNT/foobar | _filter_scratch
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status=0
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exit
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