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>
84 lines
1.7 KiB
Bash
Executable File
84 lines
1.7 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2017 Fujitsu. All Rights Reserved.
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#
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# FS QA Test 416
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#
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# Test fs behavior when large write request can't be met by one single extent
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#
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# Inspired by a bug in a btrfs fix, which doesn't get exposed by current test
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# cases
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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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}
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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 $seqres.full
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# real QA test starts here
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# Modify as appropriate.
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_supported_fs generic
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_require_scratch
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fs_size=$((128 * 1024 * 1024))
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page_size=$(get_page_size)
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# We will never reach this number though
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nr_files=$(($fs_size / $page_size))
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# Use small fs to make the fill more faster
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_scratch_mkfs_sized $fs_size >> $seqres.full 2>&1
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_scratch_mount
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fill_fs()
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{
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dir=$1
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for i in $(seq -w $nr_files); do
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# xfs_io can't return correct value when it hit ENOSPC, use
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# dd here to detect ENOSPC
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dd if=/dev/zero of=$SCRATCH_MNT/$i bs=$page_size count=1 \
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&> /dev/null
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if [ $? -ne 0 ]; then
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break
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fi
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done
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}
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fill_fs $SCRATCH_MNT
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# remount to sync every thing into fs, and drop all cache
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_scratch_remount
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# remove all files with odd file names, which should free near half
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# of the space
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rm $SCRATCH_MNT/*[13579]
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sync
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# We should be able to write at least 1/8 of the whole fs size
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# The number 1/8 is for btrfs, which only has about 47M for data.
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# And half of the 47M is already taken up, so only 1/8 is safe here
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$XFS_IO_PROG -f -c "pwrite 0 $(($fs_size / 8))" $SCRATCH_MNT/large_file | \
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_filter_xfs_io
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# success, all done
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status=0
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exit
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