#!/bin/bash
# make sure that 'missing' is accepted for device deletion

source "$TEST_TOP/common"

check_prereq mkfs.btrfs
check_prereq btrfs

setup_root_helper

test_do_mkfs()
{
	run_check $SUDO_HELPER $TOP/mkfs.btrfs -f $@ ${loopdevs[@]}
	run_check $SUDO_HELPER $TOP/btrfs inspect-internal dump-super $dev1
	run_check $SUDO_HELPER $TOP/btrfs check $dev1
	run_check $SUDO_HELPER $TOP/btrfs filesystem show
}

test_wipefs()
{
	run_check $SUDO_HELPER wipefs -a $devtodel
	run_check $SUDO_HELPER losetup -d $devtodel
	unset loopdevs[3]
	run_check $SUDO_HELPER losetup --all
	run_check $TOP/btrfs filesystem show
}
test_delete_missing()
{
	run_check_mount_test_dev -o degraded
	run_check $SUDO_HELPER $TOP/btrfs filesystem show $TEST_MNT
	run_check $SUDO_HELPER $TOP/btrfs device delete missing $TEST_MNT
	run_check $SUDO_HELPER $TOP/btrfs filesystem show $TEST_MNT
	run_check_umount_test_dev

	run_check_mount_test_dev
	local out
	out="$(run_check_stdout $SUDO_HELPER $TOP/btrfs filesystem show $TEST_MNT)"
	if echo "$out" | grep -q -- "$devtodel"; then
		_fail "device $devtodel not deleted"
	fi
	if echo "$out" | grep -q missing; then
		_fail "missing device still present"
	fi
	run_check_umount_test_dev
}

setup_loopdevs 4
prepare_loopdevs
dev1=${loopdevs[1]}
devtodel=${loopdevs[3]}
TEST_DEV=$dev1

test_do_mkfs -m raid1 -d raid1
test_wipefs
test_delete_missing

cleanup_loopdevs