2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (C) 2014 Red Hat Inc. All rights reserved.
5 # FSQA Test No. btrfs/064
7 # Run btrfs balance and replace operations simultaneously with fsstress running
8 # in the background, check with the scrub if all the blocks are ok.
9 # Balance and replace operations are mutually exclusive operations they can't
10 # run simultaneously. One of them is expected to fail when the other is running.
13 seqres=$RESULT_DIR/$seq
14 echo "QA output created by $seq"
19 trap "_cleanup; exit \$status" 0 1 2 3 15
27 # get standard environment, filters and checks
31 # real QA test starts here
33 # we check scratch dev after each loop
34 _require_scratch_nocheck
35 _require_scratch_dev_pool 5
36 _require_scratch_dev_pool_equal_size
37 _btrfs_get_profile_configs replace
44 local saved_scratch_dev_pool=$SCRATCH_DEV_POOL
46 echo "Test $mkfs_opts" >>$seqres.full
48 # remove the last device from the SCRATCH_DEV_POOL list so
49 # _scratch_pool_mkfs won't use all devices in pool
50 local last_dev="`echo $SCRATCH_DEV_POOL | $AWK_PROG '{print $NF}'`"
51 SCRATCH_DEV_POOL=`echo $SCRATCH_DEV_POOL | sed -e "s# *$last_dev *##"`
52 _scratch_pool_mkfs $mkfs_opts >>$seqres.full 2>&1
53 # make sure we created btrfs with desired options
55 echo "mkfs $mkfs_opts failed"
56 SCRATCH_DEV_POOL=$saved_scratch_dev_pool
59 _scratch_mount >>$seqres.full 2>&1
60 SCRATCH_DEV_POOL=$saved_scratch_dev_pool
62 args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir`
63 echo "Run fsstress $args" >>$seqres.full
64 $FSSTRESS_PROG $args >/dev/null 2>&1 &
67 # Start both balance and replace in the background.
68 # Either balance or replace shall run, the other fails.
69 echo -n "Start balance worker: " >>$seqres.full
70 _btrfs_stress_balance $SCRATCH_MNT >/dev/null 2>&1 &
72 echo "$balance_pid" >>$seqres.full
74 echo -n "Start replace worker: " >>$seqres.full
75 _btrfs_stress_replace $SCRATCH_MNT >>$seqres.full 2>&1 &
77 echo "$replace_pid" >>$seqres.full
79 echo "Wait for fsstress to exit and kill all background workers" >>$seqres.full
81 kill $balance_pid $replace_pid
83 # wait for the balance and replace operations to finish
84 while ps aux | grep "balance start" | grep -qv grep; do
87 while ps aux | grep "replace start" | grep -qv grep; do
91 echo "Scrub the filesystem" >>$seqres.full
92 $BTRFS_UTIL_PROG scrub start -B $SCRATCH_MNT >>$seqres.full 2>&1
94 echo "Scrub find errors in \"$mkfs_opts\" test" | tee -a $seqres.full
98 # we called _require_scratch_nocheck instead of _require_scratch
99 # do check after test for each profile config
103 echo "Silence is golden"
104 for t in "${_btrfs_profile_configs[@]}"; do