mirror of
https://github.com/linux-apfs/apfstests.git
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62 lines
1.4 KiB
Bash
62 lines
1.4 KiB
Bash
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#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (C) 2018 SUSE Linux Products GmbH. All Rights Reserved.
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#
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# FS QA Test No. 512
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#
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# Test that if we have a very small file, with a size smaller than the block
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# size, then fallocate a very small range within the block size but past the
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# file's current size, fsync the file and then power fail, after mounting the
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# filesystem all the file data is there and the file size is correct.
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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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_cleanup_flakey
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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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. ./common/dmflakey
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# real QA test starts here
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_supported_fs generic
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_supported_os Linux
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_require_scratch
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_require_xfs_io_command "falloc"
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_require_dm_target flakey
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rm -f $seqres.full
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_scratch_mkfs >>$seqres.full 2>&1
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_require_metadata_journaling $SCRATCH_DEV
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_init_flakey
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_mount_flakey
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$XFS_IO_PROG -f \
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-c "pwrite -S 0xb6 0 21" \
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-c "falloc 40 40" \
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-c "fsync" \
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$SCRATCH_MNT/foobar | _filter_xfs_io
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# Simulate a power failure and mount the filesystem. We expect no data loss
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# and a correct file size.
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_flakey_drop_and_remount
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echo "File content after power failure:"
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od -t x1 -A d $SCRATCH_MNT/foobar
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_unmount_flakey
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status=0
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exit
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