2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved.
7 # Ensure that we can create enough distinct reflink entries to force creation
8 # of a multi-level refcount btree. Delete and recreate a few times to
9 # exercise the refcount btree grow/shrink functions.
12 seqres=$RESULT_DIR/$seq
13 echo "QA output created by $seq"
17 status=1 # failure is the default!
18 trap "_cleanup; exit \$status" 0 1 2 3 15
23 umount $SCRATCH_MNT > /dev/null 2>&1
27 # get standard environment, filters and checks
32 # real QA test starts here
34 _require_scratch_reflink
38 _scratch_mkfs >/dev/null 2>&1
41 testdir=$SCRATCH_MNT/test-$seq
44 echo "Create the original file blocks"
45 blksz="$(_get_file_block_size $testdir)"
46 nr_blks=$((8 * blksz / 12))
49 _pwrite_byte 0x61 0 $((blksz * nr_blks)) $testdir/file1 >> $seqres.full
51 echo "$i: Reflink every other block"
52 seq 1 2 $((nr_blks - 1)) | while read nr; do
53 _reflink_range $testdir/file1 $((nr * blksz)) \
54 $testdir/file2 $((nr * blksz)) $blksz >> $seqres.full
60 test $i = "x" && break
62 echo "$i: Delete both files"
63 rm -rf $testdir/file1 $testdir/file2