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+#! /bin/bash
+# FSQA Test No. btrfs/062
+#
+# Run btrfs subvolume create/mount/umount/delete and device replace
+# operation 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/$$
+status=1
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+ cd /
+ rm -fr $tmp.*
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+
+# real QA test starts here
+_supported_fs btrfs
+_supported_os Linux
+_require_scratch
+_require_scratch_dev_pool 5
+_require_scratch_dev_pool_equal_size
+
+rm -f $seqres.full
+
+# test case array
+tcs=(
+ "-m single -d single"
+ "-m raid0 -d raid0"
+ "-m raid1 -d raid0"
+ "-m raid1 -d raid1"
+ "-m raid10 -d raid10"
+# "-m raid5 -d raid5" # raid5 does not support replace operation yet
+# "-m raid6 -d raid6" # raid6 does not support replace operation yet
+)
+
+run_test()
+{
+ local mkfs_opts=$1
+ local saved_mkfs_opts=$MKFS_OPTIONS
+ local saved_scratch_dev_pool=$SCRATCH_DEV_POOL
+ local subvol_mnt=$tmp.mnt
+
+ echo "Test $mkfs_opts" >>$seqres.full
+
+ # remove the last device from the SCRATCH_DEV_POOL list so
+ # _scratch_pool_mkfs won't use all devices in pool
+ local last_dev="`echo $SCRATCH_DEV_POOL | $AWK_PROG '{print $NF}'`"
+ SCRATCH_DEV_POOL=`echo $SCRATCH_DEV_POOL | sed -e "s# *$last_dev *##"`
+ MKFS_OPTIONS="$MKFS_OPTIONS $mkfs_opts"
+ _scratch_pool_mkfs >>$seqres.full 2>&1
+ # make sure we created btrfs with desired options
+ if [ $? -ne 0 ]; then
+ echo "mkfs $mkfs_opts failed"
+ MKFS_OPTIONS=$saved_mkfs_opts
+ SCRATCH_DEV_POOL=$saved_scratch_dev_pool
+ return
+ fi
+
+ _scratch_mount >>$seqres.full 2>&1
+
+ args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir`
+ echo "Run fsstress $args" >>$seqres.full
+ $FSSTRESS_PROG $args >/dev/null 2>&1 &
+ fsstress_pid=$!
+
+ echo -n "Start subvolume worker: " >>$seqres.full
+ mkdir -p $subvol_mnt
+ (
+ while true; do
+ $BTRFS_UTIL_PROG subvolume create $SCRATCH_MNT/subvol_$$
+ $MOUNT_PROG -o subvol=subvol_$$ $SCRATCH_DEV $subvol_mnt
+ $UMOUNT_PROG $subvol_mnt
+ $BTRFS_UTIL_PROG subvolume delete $SCRATCH_MNT/subvol_$$
+ done
+ ) >/dev/null 2>&1 &
+ subvol_pid=$!
+ echo "$subvol_pid" >>$seqres.full
+
+ echo -n "Start replace worker: " >>$seqres.full
+ (
+ # take the last device as free device
+ free_dev=$last_dev
+ # replace all devices in btrfs_devices in turn
+ # do not replace SCRATCH_DEV which will be used in _scratch_mount
+ # and _check_scratch_fs etc.
+ btrfs_devices=`echo $SCRATCH_DEV_POOL | sed -e "s# *$SCRATCH_DEV *##"`
+ # set first device in btrfs_devices as first src_dev
+ src_dev=`echo $btrfs_devices | $AWK_PROG '{print $1}'`
+ echo "btrfs_devices=$btrfs_devices" >>$seqres.full
+ echo "free_dev=$free_dev, src_dev=$src_dev" >>$seqres.full
+ while true; do
+ echo "Replacing $src_dev with $free_dev" >>$seqres.full
+ $BTRFS_UTIL_PROG replace start -fB $src_dev $free_dev $SCRATCH_MNT >>$seqres.full 2>&1
+ if [ $? -ne 0 ]; then
+ continue
+ fi
+ btrfs_devices="$btrfs_devices $free_dev"
+ btrfs_devices=`echo $btrfs_devices | sed -e "s# *$src_dev *##"`
+ free_dev=$src_dev
+ src_dev=`echo $btrfs_devices | $AWK_PROG '{print $1}'`
+ done
+ ) >/dev/null 2>&1 &
+ replace_pid=$!
+ echo "$replace_pid" >>$seqres.full
+
+ echo "Wait for fsstress to exit and kill all background workers" >>$seqres.full
+ wait $fsstress_pid
+
+ kill $subvol_pid $replace_pid
+ wait
+ # the replace process might be still in D state and cannot be killed
+ # which could block umount, wait for it to finish
+ while ps aux | grep "replace start" | grep -qv grep; do
+ sleep 1
+ done
+
+ echo "Scrub the filesystem" >>$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 $seqres.full
+ fi
+
+ MKFS_OPTIONS=$saved_mkfs_opts
+ SCRATCH_DEV_POOL=$saved_scratch_dev_pool
+ $BTRFS_UTIL_PROG filesystem sync $SCRATCH_MNT >/dev/null 2>&1
+ # in case the subvolume is still mounted
+ $UMOUNT_PROG $subvol_mnt >/dev/null 2>&1
+ _scratch_unmount
+ _check_scratch_fs
+}
+
+echo "Silence is golden"
+for t in "${tcs[@]}"; do
+ run_test "$t"
+done
+
+status=0
+exit
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+QA output created by 062
+Silence is golden
@@ -64,3 +64,4 @@
059 auto stress balance defrag compress
060 auto stress balance remount compress
061 auto stress balance replace
+062 auto stress subvol replace
Run btrfs subvolume create/mount/umount/delete and device replace operation simultaneously, with fsstress running in background. Signed-off-by: Eryu Guan <eguan@redhat.com> --- tests/btrfs/062 | 167 ++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/062.out | 2 + tests/btrfs/group | 1 + 3 files changed, 170 insertions(+) create mode 100755 tests/btrfs/062 create mode 100644 tests/btrfs/062.out