2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2018 Red Hat Inc. All Rights Reserved.
5 # FS QA Test generic/560
7 # Iterate dedupe integrity test. Copy an original data0 several
8 # times (d0 -> d1, d1 -> d2, ... dn-1 -> dn), dedupe dataN everytime
9 # before copy. At last, verify dataN same with data0.
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
26 # get standard environment, filters and checks
31 # remove previous $seqres.full before test
34 # real QA test starts here
37 _require_scratch_duperemove
39 _scratch_mkfs > $seqres.full 2>&1
40 _scratch_mount >> $seqres.full 2>&1
42 function iterate_dedup_verify()
47 for ((index = 1; index <= times; index++)); do
49 find $dest -type f -exec md5sum {} \; \
52 $FSSTRESS_PROG $fsstress_opts -d $noisedir \
53 -n 200 -p $((5 * LOAD_FACTOR)) >/dev/null 2>&1
54 # Too many output, so only save error output
55 $DUPEREMOVE_PROG -dr --dedupe-options=same $dupdir \
56 >/dev/null 2>$seqres.full
57 md5sum -c --quiet $md5file$index
59 dest=$dupdir/$((index + 1))
63 srcdir=$SCRATCH_MNT/src
64 dupdir=$SCRATCH_MNT/dup
65 noisedir=$dupdir/noise
72 # Create some files to be original data
73 $FSSTRESS_PROG $fsstress_opts -d $srcdir \
74 -n 500 -p $((5 * LOAD_FACTOR)) >/dev/null 2>&1
76 # Calculate how many test cycles will be run
77 src_size=`du -ks $srcdir | awk '{print $1}'`
78 free_size=`df -kP $SCRATCH_MNT | grep -v Filesystem | awk '{print $4}'`
79 times=$((free_size / src_size))
80 if [ $times -gt $((4 * TIME_FACTOR)) ]; then
81 times=$((4 * TIME_FACTOR))
84 echo "= Do dedup and verify ="
87 # Use the last checksum file to verify the original data
88 sed -e s#dup/$times#src#g $md5file$times > $md5file
89 echo "= Backwords verify ="
90 md5sum -c --quiet $md5file
92 # read from the disk also doesn't show mutations.
94 echo "= Verify after cycle mount ="
95 for ((index = 1; index <= times; index++)); do
96 md5sum -c --quiet $md5file$index