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#!/bin/bash
#
# btrfs fi du should handle empty subvolumes (with ino == 2)
source "$TEST_TOP/common"
check_prereq mkfs.btrfs
check_prereq btrfs
setup_root_helper
prepare_test_dev
run_check "$TOP/mkfs.btrfs" -f "$TEST_DEV"
run_check_mount_test_dev
cd "$TEST_MNT"
run_check $SUDO_HELPER "$TOP/btrfs" subvolume create test1
run_check $SUDO_HELPER "$TOP/btrfs" subvolume create test1/test2
run_check $SUDO_HELPER "$TOP/btrfs" subvolume snapshot test1 test1-snap
run_check $SUDO_HELPER "$TOP/btrfs" filesystem du -s test1
run_check_stdout $SUDO_HELPER "$TOP/btrfs" filesystem du -s test1-snap | \
grep -q "ERROR:.*ioctl" && _fail "empty subvolume not handled"
cd ..
run_check_umount_test_dev
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