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 rmapbt entries to force creation
8 # of a multi-level rmap btree. Delete and recreate a few times to
9 # exercise the rmap 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 $SCRATCH_MNT > /dev/null 2>&1
27 # get standard environment, filters and checks
31 # real QA test starts here
33 _require_xfs_scratch_rmapbt
34 _require_xfs_io_command "fpunch"
38 _scratch_mkfs >/dev/null 2>&1
41 testdir=$SCRATCH_MNT/test-$seq
44 echo "Create the original file blocks"
45 blksz="$(_get_block_size $testdir)"
46 nr_blks=$((8 * blksz / 12))
49 _pwrite_byte 0x61 0 $((blksz * nr_blks)) $testdir/file1 >> $seqres.full
50 _pwrite_byte 0x62 0 $((blksz * nr_blks)) $testdir/file2 >> $seqres.full
53 echo "$i: Reflink every other block"
54 seq 1 2 $((nr_blks - 1)) | while read nr; do
55 $XFS_IO_PROG -c "fpunch $((nr * blksz)) $blksz" $testdir/file2 >> $seqres.full
61 test $i = "x" && break
63 echo "$i: Delete both files"
64 rm -rf $testdir/file1 $testdir/file2