4 # XFS online growfs-while-allocating tests (data subvol variant)
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42 echo "QA output created by $seq"
46 status=1 # failure is the default!
47 trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15
49 # get standard environment, filters and checks
56 _scratch_mkfs_xfs $@ | tee -a $seq.full | _filter_mkfs 2>$tmp.mkfs
60 if ! _scratch_mount 2>/dev/null
62 echo "failed to mount $SCRATCH_DEV"
69 $XFS_IO_PROG -f -c "resvsp 0 ${1}" $SCRATCH_MNT/resvfile
76 # -w ensures that the only ops are ones which cause write I/O
77 ltp/fsstress -d $SCRATCH_MNT -w -p $procs -n $nops $FSSTRESS_AVOID &
80 # real QA test starts here
83 _scratch_mkfs_xfs | tee -a $seq.full | _filter_mkfs 2>$tmp.mkfs
84 . $tmp.mkfs # extract blocksize and data size for scratch device
86 endsize=`expr 550 \* 1048576` # stop after growing this big
87 incsize=`expr 42 \* 1048576` # grow in chunks of this size
88 modsize=`expr 4 \* $incsize` # pause after this many increments
90 [ `expr $endsize / $dbsize` -lt $dblocks ] || _notrun "Scratch device too small"
93 size=`expr 120 \* 1048576` # 120 megabytes initially
94 sizeb=`expr $size / $dbsize` # in data blocks
95 echo "*** creating scratch filesystem"
96 _create_scratch -dsize=${size} -dagcount=${nags}
98 fillsize=`expr 110 \* 1048576` # 110 megabytes of filling
99 echo "*** using some initial space on scratch filesystem"
100 _fill_scratch $fillsize
103 # Grow the filesystem while actively stressing it...
104 # Kick off more stress threads on each iteration, grow; repeat.
106 while [ $size -le $endsize ]; do
107 echo "*** stressing a ${size} byte filesystem"
108 echo "*** stressing a ${sizeb} block filesystem" >> $seq.full
111 size=`expr $size + $incsize`
112 sizeb=`expr $size / $dbsize` # in data blocks
113 echo "*** growing to a ${size} byte filesystem"
114 echo "*** growing to a ${sizeb} block filesystem" >> $seq.full
115 xfs_growfs -D ${sizeb} $SCRATCH_MNT \
116 | tee -a $seq.full | _filter_mkfs 2>$tmp.growfs
118 [ `expr $size % $modsize` -eq 0 ] && wait # every 4th iteration
119 echo AGCOUNT=$agcount | tee -a $seq.full
120 echo && echo >> $seq.full
122 wait # stop for any remaining stress processes