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#!/bin/bash
#
# Make sure "btrfs check --check-data-csum" won't report false alerts on RAID56
# data.
#
source "$TEST_TOP/common"
check_prereq btrfs
check_prereq mkfs.btrfs
check_global_prereq losetup
setup_loopdevs 3
prepare_loopdevs
dev1=${loopdevs[1]}
TEST_DEV=$dev1
setup_root_helper
run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f -m raid1 -d raid5 "${loopdevs[@]}"
run_check_mount_test_dev
run_check $SUDO_HELPER dd if=/dev/urandom of="$TEST_MNT/file" bs=16K count=1 \
status=noxfer > /dev/null 2>&1
run_check_umount_test_dev
# Check data csum should not report false alerts
run_check "$TOP/btrfs" check --check-data-csum "$dev1"
cleanup_loopdevs
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