| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (C) 2014 Red Hat Inc. All rights reserved. |
| # |
| # FSQA Test No. btrfs/064 |
| # |
| # Run btrfs balance and replace operations simultaneously with fsstress running |
| # in the background, check with the scrub if all the blocks are ok. |
| # Balance and replace operations are mutually exclusive operations they can't |
| # run simultaneously. One of them is expected to fail when the other is running. |
| |
| seq=`basename $0` |
| seqres=$RESULT_DIR/$seq |
| echo "QA output created by $seq" |
| |
| here=`pwd` |
| tmp=/tmp/$$ |
| status=1 |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| _cleanup() |
| { |
| cd / |
| rm -f $tmp.* |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| |
| # real QA test starts here |
| _supported_fs btrfs |
| # we check scratch dev after each loop |
| _require_scratch_nocheck |
| _require_scratch_dev_pool 5 |
| _require_scratch_dev_pool_equal_size |
| _btrfs_get_profile_configs replace |
| |
| rm -f $seqres.full |
| |
| run_test() |
| { |
| local mkfs_opts=$1 |
| local saved_scratch_dev_pool=$SCRATCH_DEV_POOL |
| |
| echo "Test $mkfs_opts" >>$seqres.full |
| |
| # remove the last device from the SCRATCH_DEV_POOL list so |
| # _scratch_pool_mkfs won't use all devices in pool |
| local last_dev="`echo $SCRATCH_DEV_POOL | $AWK_PROG '{print $NF}'`" |
| SCRATCH_DEV_POOL=`echo $SCRATCH_DEV_POOL | sed -e "s# *$last_dev *##"` |
| _scratch_pool_mkfs $mkfs_opts >>$seqres.full 2>&1 |
| # make sure we created btrfs with desired options |
| if [ $? -ne 0 ]; then |
| echo "mkfs $mkfs_opts failed" |
| SCRATCH_DEV_POOL=$saved_scratch_dev_pool |
| return |
| fi |
| _scratch_mount >>$seqres.full 2>&1 |
| SCRATCH_DEV_POOL=$saved_scratch_dev_pool |
| |
| args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir` |
| echo "Run fsstress $args" >>$seqres.full |
| $FSSTRESS_PROG $args >/dev/null 2>&1 & |
| fsstress_pid=$! |
| |
| # Start both balance and replace in the background. |
| # Either balance or replace shall run, the other fails. |
| echo -n "Start balance worker: " >>$seqres.full |
| _btrfs_stress_balance $SCRATCH_MNT >/dev/null 2>&1 & |
| balance_pid=$! |
| echo "$balance_pid" >>$seqres.full |
| |
| echo -n "Start replace worker: " >>$seqres.full |
| _btrfs_stress_replace $SCRATCH_MNT >>$seqres.full 2>&1 & |
| replace_pid=$! |
| echo "$replace_pid" >>$seqres.full |
| |
| echo "Wait for fsstress to exit and kill all background workers" >>$seqres.full |
| wait $fsstress_pid |
| kill $balance_pid $replace_pid |
| wait |
| # wait for the balance and replace operations to finish |
| while ps aux | grep "balance start" | grep -qv grep; do |
| sleep 1 |
| done |
| while ps aux | grep "replace start" | grep -qv grep; do |
| sleep 1 |
| done |
| |
| echo "Scrub the filesystem" >>$seqres.full |
| $BTRFS_UTIL_PROG scrub start -B $SCRATCH_MNT >>$seqres.full 2>&1 |
| if [ $? -ne 0 ]; then |
| echo "Scrub find errors in \"$mkfs_opts\" test" | tee -a $seqres.full |
| fi |
| |
| _scratch_unmount |
| # we called _require_scratch_nocheck instead of _require_scratch |
| # do check after test for each profile config |
| _check_scratch_fs |
| } |
| |
| echo "Silence is golden" |
| for t in "${_btrfs_profile_configs[@]}"; do |
| run_test "$t" |
| done |
| |
| status=0 |
| exit |