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 $seq"
23 trap "_cleanup" 0 1 2 3 15
27 echo "=== mkfs output ===" >>$seqres.full
28 _scratch_mkfs_xfs | tee -a $seqres.full | _filter_mkfs 2>$tmp.mkfs
31 # This test looks at specific behaviors of the xfs_db freesp command,
32 # which reports on the contents of the free space btrees for the data
33 # device. Don't let anything get created on the realtime volume.
34 $XFS_IO_PROG -c 'chattr -t' $SCRATCH_MNT
35 dd if=/dev/zero of=$SCRATCH_MNT/foo count=200 bs=4096 >/dev/null 2>&1 &
36 dd if=/dev/zero of=$SCRATCH_MNT/goo count=400 bs=4096 >/dev/null 2>&1 &
37 dd if=/dev/zero of=$SCRATCH_MNT/moo count=800 bs=4096 >/dev/null 2>&1 &
39 _scratch_unmount # flush everything
40 _scratch_mount # and then remount
43 # get standard environment, filters and checks
47 # real QA test starts here
51 _require_no_large_scratch_dev
57 eval `$DF_PROG -P --block-size=512 $SCRATCH_MNT 2>&1 \
58 | tail -1 | $AWK_PROG '{ printf "blocks=%u used=%u avail=%u\n", $3, $4, $5 }'`
59 echo "df gave: blocks=$blocks used=$used avail=$avail" >>$seqres.full
60 echo "blocksize from mkfs is '$dbsize'" >>$seqres.full
62 _scratch_xfs_db -r -c "freesp -s" >$tmp.xfs_db
63 echo "xfs_db for $SCRATCH_DEV" >>$seqres.full
64 cat $tmp.xfs_db >>$seqres.full
66 eval `$XFS_IO_PROG -x -c resblks $SCRATCH_MNT 2>&1 \
67 | $AWK_PROG '/available/ { printf "resblks=%u\n", $5 }'`
68 echo "resblks gave: resblks=$resblks" >>$seqres.full
70 # check the 'blocks' field from freesp command is OK
72 BEGIN { $avail ='$avail' * 512 + ('$resblks' * '$dbsize');
73 $answer="(no xfs_db free blocks line?)" }
74 /free blocks (\d+)$/ || next;
75 $freesp = $1 * '$dbsize';
76 if ($freesp >= $avail) {
79 $answer = "no ($freesp < $avail)";
81 END { print "$answer\n" }
82 ' <$tmp.xfs_db >$tmp.ans
84 echo "Checking blocks column same as df: $ans"
87 echo "Error: $SCRATCH_DEV: freesp mismatch: $ans"
88 echo "xfs_db output ..."
93 # check the 'pct' field from freesp command is good
95 BEGIN { $percent = 0; }
96 /free/ && next; # skip over free extent size number
97 if (/\s+(\d+\.\d+)$/) {
100 END { $percent += 0.5; print int($percent), "\n" } # round up
101 ' <$tmp.xfs_db >$tmp.ans
103 echo "Checking percent column yields 100: $ans"
106 echo "Error: $SCRATCH_DEV: pct mismatch: $ans (expected 100)"
107 echo "xfs_db output ..."