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>
70 lines
1.7 KiB
Bash
Executable File
70 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) 2013 Fusion IO. All Rights Reserved.
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#
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# FS QA Test No. btrfs/013
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#
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# Regression test for balance with prealloc extents. This checks to make sure
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# we are balacing prealloc'ed extents properly by making sure we don't have any
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# csum errors. Unfortunately this manifests itself with no csum which means
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# userspace doesn't get an error when reading the file back so we have to grok
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# dmesg to see if there was a csum error.
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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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_cleanup()
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{
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rm -f $tmp.*
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}
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trap "_cleanup ; exit \$status" 0 1 2 3 15
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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 btrfs
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_require_scratch
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rm -f $seqres.full
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_scratch_mkfs > /dev/null 2>&1
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_scratch_mount
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nr_csum_no_found=$(dmesg | grep -c "no csum found")
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nr_csum_failed=$(dmesg | grep -c "csum failed")
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_check_csum_error()
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{
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new_csum_no_found=$(dmesg | grep -c "no csum found")
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new_csum_failed=$(dmesg | grep -c "csum failed")
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if [ $nr_csum_no_found -eq $new_csum_no_found -a \
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$nr_csum_failed -eq $new_csum_failed ]; then
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return 0
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fi
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return 1
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}
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$XFS_IO_PROG -f -c "falloc 0 1M" -c "pwrite 16k 8k" -c "fsync" \
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$SCRATCH_MNT/foo > $seqres.full 2>&1
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_run_btrfs_balance_start $SCRATCH_MNT >> $seqres.full
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_scratch_unmount
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_scratch_mount
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$XFS_IO_PROG -c "pread 0 1M" $SCRATCH_MNT/foo >> $seqres.full 2>&1 || \
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_fail "pread failed"
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# This sucks but unfortunately it is the only way to be sure something didn't go
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# wrong.
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_check_csum_error || _fail "csum detected, please check dmesg"
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echo "Silence is golden"
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status=0 ; exit
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