2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved.
7 # exercise xfs_db bug #789674 and other freesp functionality
10 seqres=$RESULT_DIR/$seq
11 echo "QA output created by $seq"
22 trap "_cleanup; exit \$status" 0 1 2 3 15
26 echo "=== mkfs output ===" >>$seqres.full
27 _scratch_mkfs_xfs | tee -a $seqres.full | _filter_mkfs 2>$tmp.mkfs
30 # This test looks at specific behaviors of the xfs_db freesp command,
31 # which reports on the contents of the free space btrees for the data
32 # device. Don't let anything get created on the realtime volume.
33 _xfs_force_bdev data $SCRATCH_MNT
34 dd if=/dev/zero of=$SCRATCH_MNT/foo count=200 bs=4096 >/dev/null 2>&1 &
35 dd if=/dev/zero of=$SCRATCH_MNT/goo count=400 bs=4096 >/dev/null 2>&1 &
36 dd if=/dev/zero of=$SCRATCH_MNT/moo count=800 bs=4096 >/dev/null 2>&1 &
38 _scratch_unmount # flush everything
39 _scratch_mount # and then remount
42 # get standard environment, filters and checks
46 # real QA test starts here
50 _require_no_large_scratch_dev
56 eval `$DF_PROG -P --block-size=512 $SCRATCH_MNT 2>&1 \
57 | tail -1 | $AWK_PROG '{ printf "blocks=%u used=%u avail=%u\n", $3, $4, $5 }'`
58 echo "df gave: blocks=$blocks used=$used avail=$avail" >>$seqres.full
59 echo "blocksize from mkfs is '$dbsize'" >>$seqres.full
61 _scratch_xfs_db -r -c "freesp -s" >$tmp.xfs_db
62 echo "xfs_db for $SCRATCH_DEV" >>$seqres.full
63 cat $tmp.xfs_db >>$seqres.full
65 eval `$XFS_IO_PROG -x -c resblks $SCRATCH_MNT 2>&1 \
66 | $AWK_PROG '/available/ { printf "resblks=%u\n", $5 }'`
67 echo "resblks gave: resblks=$resblks" >>$seqres.full
69 # check the 'blocks' field from freesp command is OK
71 BEGIN { $avail ='$avail' * 512 + ('$resblks' * '$dbsize');
72 $answer="(no xfs_db free blocks line?)" }
73 /free blocks (\d+)$/ || next;
74 $freesp = $1 * '$dbsize';
75 if ($freesp >= $avail) {
78 $answer = "no ($freesp < $avail)";
80 END { print "$answer\n" }
81 ' <$tmp.xfs_db >$tmp.ans
83 echo "Checking blocks column same as df: $ans"
86 echo "Error: $SCRATCH_DEV: freesp mismatch: $ans"
87 echo "xfs_db output ..."
92 # check the 'pct' field from freesp command is good
94 BEGIN { $percent = 0; }
95 /free/ && next; # skip over free extent size number
96 if (/\s+(\d+\.\d+)$/) {
99 END { $percent += 0.5; print int($percent), "\n" } # round up
100 ' <$tmp.xfs_db >$tmp.ans
102 echo "Checking percent column yields 100: $ans"
105 echo "Error: $SCRATCH_DEV: pct mismatch: $ans (expected 100)"
106 echo "xfs_db output ..."