mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
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>
62 lines
1.4 KiB
Bash
Executable File
62 lines
1.4 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2016 Facebook. All Rights Reserved.
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#
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# FS QA Test 391
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#
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# Test two threads doing non-overlapping direct I/O in the same extents.
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# Motivated by a bug in Btrfs' direct I/O get_block function which would lead
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# to spurious -EEXIST failures from direct I/O reads.
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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/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -f $tmp.*
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rm -f "$testfile"
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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# remove previous $seqres.full before test
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rm -f $seqres.full
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# real QA test starts here
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_supported_fs generic
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_require_test
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_require_xfs_io_command "falloc"
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_require_test_program "dio-interleaved"
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_require_odirect
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extent_size="$(($(_get_block_size "$TEST_DIR") * 2))"
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num_extents=1024
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testfile="$TEST_DIR/$$-testfile"
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$XFS_IO_PROG -fc "truncate 0" "$testfile"
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for ((off = 0; off < num_extents * extent_size; off += extent_size)); do
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$XFS_IO_PROG -c "falloc $off $extent_size" "$testfile"
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done
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# To reproduce the Btrfs bug, the extent map must not be cached in memory.
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sync
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echo 3 > /proc/sys/vm/drop_caches
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"$here/src/dio-interleaved" "$extent_size" "$num_extents" "$testfile"
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echo "Silence is golden"
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# success, all done
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status=0
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exit
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