Run btrfs balance and defrag operations simultaneously with fsstress running in background. Reviewed-by: Josef Bacik <jbacik@xxxxxx> Signed-off-by: Eryu Guan <eguan@xxxxxxxxxx> --- common/rc | 20 +++++++++ tests/btrfs/062 | 116 ++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/062.out | 2 + tests/btrfs/group | 1 + 4 files changed, 139 insertions(+) create mode 100755 tests/btrfs/062 create mode 100644 tests/btrfs/062.out diff --git a/common/rc b/common/rc index fac1fad..9c2aa8e 100644 --- a/common/rc +++ b/common/rc @@ -2597,6 +2597,26 @@ _btrfs_stress_scrub() done } +# stress btrfs by defragmenting every file/dir in a loop and compress file +# contents while defragmenting if second argument is not "nocompress" +_btrfs_stress_defrag() +{ + local btrfs_mnt=$1 + local compress=$2 + + while true; do + if [ "$compress" == "nocompress" ]; then + find $btrfs_mnt \( -type f -o -type d \) -exec \ + $BTRFS_UTIL_PROG filesystem defrag {} \; + else + find $btrfs_mnt \( -type f -o -type d \) -exec \ + $BTRFS_UTIL_PROG filesystem defrag -clzo {} \; + find $btrfs_mnt \( -type f -o -type d \) -exec \ + $BTRFS_UTIL_PROG filesystem defrag -czlib {} \; + fi + done +} + init_rc() { if [ "$iam" == new ] diff --git a/tests/btrfs/062 b/tests/btrfs/062 new file mode 100755 index 0000000..74c2a51 --- /dev/null +++ b/tests/btrfs/062 @@ -0,0 +1,116 @@ +#! /bin/bash +# FSQA Test No. btrfs/062 +# +# Run btrfs balance and defrag operations simultaneously with fsstress +# running in background. +# +#----------------------------------------------------------------------- +# Copyright (C) 2014 Red Hat Inc. All rights reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# +#----------------------------------------------------------------------- +# + +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 +_supported_os Linux +# we check scratch dev after each loop +_require_scratch_nocheck +_require_scratch_dev_pool 4 +_btrfs_get_profile_configs + +rm -f $seqres.full + +run_test() +{ + local mkfs_opts=$1 + local with_compress=$2 + + echo "Test $mkfs_opts with $with_compress" >>$seqres.full + + _scratch_pool_mkfs $mkfs_opts >>$seqres.full 2>&1 + # make sure we created btrfs with desired options + if [ $? -ne 0 ]; then + echo "mkfs $mkfs_opts failed" + return + fi + _scratch_mount >>$seqres.full 2>&1 + + args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir` + echo "Run fsstress $args" >>$seqres.full + $FSSTRESS_PROG $args >/dev/null 2>&1 & + fsstress_pid=$! + + 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 defrag worker: " >>$seqres.full + _btrfs_stress_defrag $SCRATCH_MNT $with_compress >/dev/null 2>&1 & + defrag_pid=$! + echo "$defrag_pid" >>$seqres.full + + echo "Wait for fsstress to exit and kill all background workers" >>$seqres.full + wait $fsstress_pid + kill $balance_pid $defrag_pid + wait + # wait for the balance and defrag operations to finish + while ps aux | grep "balance start" | grep -qv grep; do + sleep 1 + done + while ps aux | grep "btrfs filesystem defrag" | grep -qv grep; do + sleep 1 + done + + echo "Scrub the filesystem" >>$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 "$t" nocompress + run_test "$t" compress +done + +status=0 +exit diff --git a/tests/btrfs/062.out b/tests/btrfs/062.out new file mode 100644 index 0000000..a1578f4 --- /dev/null +++ b/tests/btrfs/062.out @@ -0,0 +1,2 @@ +QA output created by 062 +Silence is golden diff --git a/tests/btrfs/group b/tests/btrfs/group index 5064ef3..a6c39f7 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -64,3 +64,4 @@ 059 auto quick 060 auto balance subvol 061 auto balance scrub +062 auto balance defrag compress -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe fstests" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html