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Darrick J. Wong
a860a167d8
fstests only supports Linux, so get rid of this unnecessary predicate. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
59 lines
1.8 KiB
Bash
Executable File
59 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) 2017 SUSE Linux Products GmbH. All Rights Reserved.
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#
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# FSQA Test No. 412
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#
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# Test that if we have a file with a hole, do a mix of direct IO and buffered
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# writes to it and truncate the file to a size that lies in the middle of the
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# hole, after unmounting and mounting again the filesystem, the file has a
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# correct size and no data loss happened.
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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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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 generic
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_require_scratch
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_require_odirect
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rm -f $seqres.full
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_scratch_mkfs >>$seqres.full 2>&1
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_scratch_mount
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# Create out test file with two extents and a hole between those extents.
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# The extent that lies beyond the hole must be written using direct IO and later
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# we truncate the file to a size that lies within the hole's range.
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$XFS_IO_PROG -f -c "pwrite -S 0x01 0K 32K" $SCRATCH_MNT/foo | _filter_xfs_io
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$XFS_IO_PROG -d -c "pwrite -S 0x02 -b 32K 64K 32K" $SCRATCH_MNT/foo \
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| _filter_xfs_io
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# Now truncate our file to a smaller size that lies behind the offset used by
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# the previous direct IO write and that lies in a file hole.
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$XFS_IO_PROG -c "truncate 60K" $SCRATCH_MNT/foo
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# Now get file digests before unmounting the filesystem and after mounting it
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# again. The digests should match (same file data and size in both cases).
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echo "File digest before unmounting the filesystem:"
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md5sum $SCRATCH_MNT/foo | _filter_scratch
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_scratch_cycle_mount
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echo "File digest after mounting again the filesystem:"
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md5sum $SCRATCH_MNT/foo | _filter_scratch
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status=0
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exit
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