mirror of
https://github.com/linux-apfs/apfstests.git
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Dave Chinner
1ff4192932
Fully scripted conversion, see script in initial SPDX license commit message. Signed-off-by: Dave Chinner <dchinner@redhat.com>
183 lines
6.9 KiB
Bash
Executable File
183 lines
6.9 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (C) 2015 SUSE Linux Products GmbH. All Rights Reserved.
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#
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# FSQA Test No. 112
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#
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# Test several cases of cloning inline extents that used to lead to file
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# corruption or data loss.
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -f $tmp.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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# real QA test starts here
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_supported_fs btrfs
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_supported_os Linux
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_require_scratch
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_require_cloner
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_require_btrfs_fs_feature "no_holes"
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_require_btrfs_mkfs_feature "no-holes"
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_require_xfs_io_command "falloc"
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rm -f $seqres.full
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test_cloning_inline_extents()
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{
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local mkfs_opts=$1
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local mount_opts=$2
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_scratch_mkfs $mkfs_opts >>$seqres.full 2>&1
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_scratch_mount $mount_opts
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# File bar, the source for all the following clone operations, consists
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# of a single inline extent (50 bytes).
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$XFS_IO_PROG -f -c "pwrite -S 0xbb 0 50" $SCRATCH_MNT/bar \
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| _filter_xfs_io
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# Test cloning into a file with an extent (non-inlined) where the
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# destination offset overlaps that extent. It should not be possible to
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# clone the inline extent from file bar into this file.
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$XFS_IO_PROG -f -c "pwrite -S 0xaa 0K 16K" $SCRATCH_MNT/foo \
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| _filter_xfs_io
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$CLONER_PROG -s 0 -d 0 -l 0 $SCRATCH_MNT/bar $SCRATCH_MNT/foo
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# Doing IO against any range in the first 4K of the file should work.
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# Due to a past clone ioctl bug which allowed cloning the inline extent,
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# these operations resulted in EIO errors.
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echo "File foo data after clone operation:"
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# All bytes should have the value 0xaa (clone operation failed and did
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# not modify our file).
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od -t x1 $SCRATCH_MNT/foo
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$XFS_IO_PROG -c "pwrite -S 0xcc 0 100" $SCRATCH_MNT/foo | _filter_xfs_io
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# Test cloning the inline extent against a file which has a hole in its
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# first 4K followed by a non-inlined extent. It should not be possible
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# as well to clone the inline extent from file bar into this file.
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$XFS_IO_PROG -f -c "pwrite -S 0xdd 4K 12K" $SCRATCH_MNT/foo2 \
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| _filter_xfs_io
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$CLONER_PROG -s 0 -d 0 -l 0 $SCRATCH_MNT/bar $SCRATCH_MNT/foo2
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# Doing IO against any range in the first 4K of the file should work.
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# Due to a past clone ioctl bug which allowed cloning the inline extent,
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# these operations resulted in EIO errors.
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echo "File foo2 data after clone operation:"
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# All bytes should have the value 0x00 (clone operation failed and did
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# not modify our file).
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od -t x1 $SCRATCH_MNT/foo2
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$XFS_IO_PROG -c "pwrite -S 0xee 0 90" $SCRATCH_MNT/foo2 | _filter_xfs_io
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# Test cloning the inline extent against a file which has a size of zero
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# but has a prealloc extent. It should not be possible as well to clone
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# the inline extent from file bar into this file.
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$XFS_IO_PROG -f -c "falloc -k 0 1M" $SCRATCH_MNT/foo3 | _filter_xfs_io
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$CLONER_PROG -s 0 -d 0 -l 0 $SCRATCH_MNT/bar $SCRATCH_MNT/foo3
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# Doing IO against any range in the first 4K of the file should work.
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# Due to a past clone ioctl bug which allowed cloning the inline extent,
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# these operations resulted in EIO errors.
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echo "First 50 bytes of foo3 after clone operation:"
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# Should not be able to read any bytes, file has 0 bytes i_size (the
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# clone operation failed and did not modify our file).
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od -t x1 $SCRATCH_MNT/foo3
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$XFS_IO_PROG -c "pwrite -S 0xff 0 90" $SCRATCH_MNT/foo3 | _filter_xfs_io
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# Test cloning the inline extent against a file which consists of a
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# single inline extent that has a size not greater than the size of
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# bar's inline extent (40 < 50).
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# It should be possible to do the extent cloning from bar to this file.
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$XFS_IO_PROG -f -c "pwrite -S 0x01 0 40" $SCRATCH_MNT/foo4 \
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| _filter_xfs_io
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$CLONER_PROG -s 0 -d 0 -l 0 $SCRATCH_MNT/bar $SCRATCH_MNT/foo4
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# Doing IO against any range in the first 4K of the file should work.
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echo "File foo4 data after clone operation:"
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# Must match file bar's content.
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od -t x1 $SCRATCH_MNT/foo4
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$XFS_IO_PROG -c "pwrite -S 0x02 0 90" $SCRATCH_MNT/foo4 | _filter_xfs_io
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# Test cloning the inline extent against a file which consists of a
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# single inline extent that has a size greater than the size of bar's
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# inline extent (60 > 50).
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# It should not be possible to clone the inline extent from file bar
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# into this file.
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$XFS_IO_PROG -f -c "pwrite -S 0x03 0 60" $SCRATCH_MNT/foo5 \
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| _filter_xfs_io
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$CLONER_PROG -s 0 -d 0 -l 0 $SCRATCH_MNT/bar $SCRATCH_MNT/foo5
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# Reading the file should not fail.
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echo "File foo5 data after clone operation:"
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# Must have a size of 60 bytes, with all bytes having a value of 0x03
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# (the clone operation failed and did not modify our file).
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od -t x1 $SCRATCH_MNT/foo5
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# Test cloning the inline extent against a file which has no extents but
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# has a size greater than bar's inline extent (16K > 50).
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# It should not be possible to clone the inline extent from file bar
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# into this file.
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$XFS_IO_PROG -f -c "truncate 16K" $SCRATCH_MNT/foo6 | _filter_xfs_io
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$CLONER_PROG -s 0 -d 0 -l 0 $SCRATCH_MNT/bar $SCRATCH_MNT/foo6
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# Reading the file should not fail.
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echo "File foo6 data after clone operation:"
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# Must have a size of 16K, with all bytes having a value of 0x00 (the
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# clone operation failed and did not modify our file).
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od -t x1 $SCRATCH_MNT/foo6
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# Test cloning the inline extent against a file which has no extents but
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# has a size not greater than bar's inline extent (30 < 50).
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# It should be possible to clone the inline extent from file bar into
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# this file.
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$XFS_IO_PROG -f -c "truncate 30" $SCRATCH_MNT/foo7 | _filter_xfs_io
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$CLONER_PROG -s 0 -d 0 -l 0 $SCRATCH_MNT/bar $SCRATCH_MNT/foo7
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# Reading the file should not fail.
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echo "File foo7 data after clone operation:"
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# Must have a size of 50 bytes, with all bytes having a value of 0xbb.
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od -t x1 $SCRATCH_MNT/foo7
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# Test cloning the inline extent against a file which has a size not
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# greater than the size of bar's inline extent (20 < 50) but has
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# a prealloc extent that goes beyond the file's size. It should not be
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# possible to clone the inline extent from bar into this file.
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$XFS_IO_PROG -f -c "falloc -k 0 1M" \
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-c "pwrite -S 0x88 0 20" \
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$SCRATCH_MNT/foo8 | _filter_xfs_io
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$CLONER_PROG -s 0 -d 0 -l 0 $SCRATCH_MNT/bar $SCRATCH_MNT/foo8
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echo "File foo8 data after clone operation:"
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# Must have a size of 20 bytes, with all bytes having a value of 0x88
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# (the clone operation did not modify our file).
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od -t x1 $SCRATCH_MNT/foo8
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_scratch_unmount
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}
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echo -e "\nTesting without compression and without the no-holes feature...\n"
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test_cloning_inline_extents
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echo -e "\nTesting with compression and without the no-holes feature...\n"
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test_cloning_inline_extents "" "-o compress"
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echo -e "\nTesting without compression and with the no-holes feature...\n"
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test_cloning_inline_extents "-O no-holes" ""
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echo -e "\nTesting with compression and with the no-holes feature...\n"
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test_cloning_inline_extents "-O no-holes" "-o compress"
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status=0
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exit
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