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#!/bin/bash
# Detect if a default subvolume is being deleted
source "$TEST_TOP/common" || exit
check_prereq mkfs.btrfs
check_prereq btrfs
setup_root_helper
prepare_test_dev
run_check_mkfs_test_dev
run_check_mount_test_dev
default=$(run_check_stdout $SUDO_HELPER "$TOP/btrfs" subvolume get-default "$TEST_MNT")
for i in `seq 10`; do
run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$TEST_MNT/subv$i"
done
rootid=$(run_check_stdout $SUDO_HELPER "$TOP/btrfs" inspect-internal rootid "$TEST_MNT/subv5")
run_check $SUDO_HELPER "$TOP/btrfs" subvolume set-default "$rootid" "$TEST_MNT"
default=$(run_check_stdout $SUDO_HELPER "$TOP/btrfs" subvolume get-default "$TEST_MNT")
# Delete all subvolumes, it will continue after individual errors and will return 1
run_mustfail "deleting default subvolume by path succeeded" \
$SUDO_HELPER "$TOP/btrfs" subvolume delete "$TEST_MNT/"subv*
run_mustfail "deleting default subvolume by id succeeded" \
$SUDO_HELPER "$TOP/btrfs" subvolume delete --subvolid "$rootid" "$TEST_MNT"
run_check_umount_test_dev
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