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https://github.com/linux-apfs/apfstests.git
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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>
91 lines
2.2 KiB
Bash
Executable File
91 lines
2.2 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2018, Jeff Layton <jlayton@redhat.com>
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#
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# FS QA Test No. 160
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#
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# Open a file and write to it and fsync. Then flip the data device to throw
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# errors, write to it again and call sync. Close the file, reopen it and
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# then call fsync on it. Is the error reported?
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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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here=`pwd`
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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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_dmerror_cleanup
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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/dmerror
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# real QA test starts here
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_supported_fs btrfs
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_require_scratch_dev_pool
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_require_dm_target error
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rm -f $seqres.full
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# bring up dmerror device
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_dmerror_init
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# Replace first device with error-test device
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old_SCRATCH_DEV=$SCRATCH_DEV
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SCRATCH_DEV_POOL=`echo $SCRATCH_DEV_POOL | perl -pe "s#$SCRATCH_DEV#$DMERROR_DEV#"`
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SCRATCH_DEV=$DMERROR_DEV
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echo "Format and mount"
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_scratch_pool_mkfs "-d raid0 -m raid1" > $seqres.full 2>&1
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_scratch_mount
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# How much do we need to write? We need to hit all of the stripes. btrfs uses a
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# fixed 64k stripesize, so write enough to hit each one. In the case of
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# compression, each 128K input data chunk will be compressed to 4K (because of
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# the characters written are duplicate). Therefore we have to write
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# (128K * 16) = 2048K to make sure every stripe can be hit.
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number_of_devices=`echo $SCRATCH_DEV_POOL | wc -w`
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write_kb=$(($number_of_devices * 2048))
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_require_fs_space $SCRATCH_MNT $write_kb
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datalen=$((($write_kb * 1024)-1))
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# use fd 5 to hold file open
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testfile=$SCRATCH_MNT/fsync-open-after-err
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exec 5>$testfile
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# write some data to file and fsync it out
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$XFS_IO_PROG -c "pwrite -q 0 $datalen" -c fsync $testfile
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# flip device to non-working mode
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_dmerror_load_error_table
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# rewrite the data, call sync to ensure it's written back w/o scraping error
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$XFS_IO_PROG -c "pwrite -q 0 $datalen" -c sync $testfile
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# heal the device error
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_dmerror_load_working_table
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# open again and call fsync
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echo "The following fsync should fail with EIO:"
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$XFS_IO_PROG -c fsync $testfile
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echo "done"
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# close file
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exec 5>&-
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# success, all done
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_dmerror_cleanup
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status=0
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exit
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