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https://github.com/linux-apfs/apfstests.git
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Dave Chinner
1ff4192932
Fully scripted conversion, see script in initial SPDX license commit message. Signed-off-by: Dave Chinner <dchinner@redhat.com>
56 lines
1.1 KiB
Bash
Executable File
56 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2014 Fujitsu. All Rights Reserved.
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#
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# FS QA Test No. btrfs/033
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#
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# Regression test for iterating backrefs
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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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_supported_os Linux
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_require_scratch
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_scratch_mkfs > /dev/null 2>&1
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_scratch_mount
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touch $SCRATCH_MNT/foo
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# get file with fragments by using backwards writes.
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for i in `seq 10240 -1 1`; do
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$XFS_IO_PROG -f -d -c "pwrite $(($i * 4096)) 4096" \
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$SCRATCH_MNT/foo > /dev/null
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done
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# get some snapshots here to make sure we are really
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# suffering from walking backrefs.
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for i in `seq 0 50`; do
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$BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \
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$SCRATCH_MNT/snap_$i >> $seqres.full 2>&1
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done
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$BTRFS_UTIL_PROG send -f $SCRATCH_MNT/send_file \
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$SCRATCH_MNT/snap_1 >> $seqres.full 2>&1
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echo "Silence is golden"
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status=0 ; exit
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