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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2014 Red Hat Inc. All rights reserved.
#
# FSQA Test No. btrfs/068
#
# Run btrfs subvolume create/mount/umount/delete and remount with
# different compress algorithms simultaneously, with fsstress running
# in background.
#
. ./common/preamble
_begin_fstest auto subvol remount compress scrub
# Import common functions.
. ./common/filter
# real QA test starts here
_supported_fs btrfs
# we check scratch dev after each loop
_require_scratch_nocheck
_require_scratch_dev_pool 4
_btrfs_get_profile_configs
run_test()
{
local mkfs_opts=$1
local subvol_mnt=$TEST_DIR/$seq.mnt
local stop_file=$TEST_DIR/$seq.stop.$$
echo "Test $mkfs_opts with $with_compress" >>$seqres.full
_scratch_pool_mkfs $mkfs_opts >>$seqres.full 2>&1
# make sure we created btrfs with desired options
if [ $? -ne 0 ]; then
echo "mkfs $mkfs_opts failed"
return
fi
_scratch_mount >>$seqres.full 2>&1
args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir`
echo "Run fsstress $args" >>$seqres.full
$FSSTRESS_PROG $args >>$seqres.full &
fsstress_pid=$!
# make sure the stop sign is not there
rm -f $stop_file
echo -n "Start subvolume worker: " >>$seqres.full
_btrfs_stress_subvolume $SCRATCH_DEV $SCRATCH_MNT subvol_$$ $subvol_mnt $stop_file >/dev/null 2>&1 &
subvol_pid=$!
echo "$subvol_pid" >>$seqres.full
echo -n "Start remount worker: " >>$seqres.full
_btrfs_stress_remount_compress $SCRATCH_MNT >/dev/null 2>&1 &
remount_pid=$!
echo "$remount_pid" >>$seqres.full
echo "Wait for fsstress to exit and kill all background workers" >>$seqres.full
wait $fsstress_pid
touch $stop_file
kill $remount_pid
wait
# wait for the remount loop process to finish
while ps aux | grep "mount.*$SCRATCH_MNT" | 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
# in case the subvolume is still mounted
$UMOUNT_PROG $subvol_mnt >/dev/null 2>&1
_scratch_unmount
# we called _require_scratch_nocheck instead of _require_scratch
# do check after test for each profile config
_check_scratch_fs
}
echo "Silence is golden"
for t in "${_btrfs_profile_configs[@]}"; do
run_test "$t"
done
status=0
exit
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