ino-paths-enoent.sh

#!/bin/bash
set -eEuo pipefail

if [[ $EUID -ne 0 ]] ; then exec sudo "$0" "$@" ; fi

dir=/tmp/mNPJYwnwQt
btdu=${BTDU:-btdu}

mkdir "$dir"
trap 'rmdir "$dir"' EXIT
(
	cd "$dir"

	dd if=/dev/zero count=0 bs=1G seek=1 of=img
	trap 'rm img' EXIT
	mkfs.btrfs img
	(
		mkdir m
		trap 'rmdir m' EXIT

		(
			mount img m
			trap 'while ! umount m ; do : ; done' EXIT
			(
				cd m

				dd if=/dev/zero of=a bs=1M count=512
				sync

				exec {fd}>>a
				rm a
				sync

				"$btdu" --headless --du --min-resolution=1M .

				exec {fd}>&-
			)
		)
	)
)

unreachable-ino-paths-enoent.sh

#!/bin/bash
set -xeEuo pipefail

if [[ $EUID -ne 0 ]] ; then exec sudo "$0" "$@" ; fi

dir=/tmp/JatknXf9Z3
btdu=${BTDU:-btdu}

mkdir "$dir"
trap 'rmdir "$dir"' EXIT
(
	cd "$dir"

	dd if=/dev/zero count=0 bs=1G seek=1 of=img
	trap 'rm img' EXIT
	mkfs.btrfs img
	(
		mkdir m
		trap 'rmdir m' EXIT

		(
			mount img m
			trap 'while ! umount m ; do sleep 0.1 ; done' EXIT
			(
				cd m

				dd if=/dev/urandom of=a bs=256M count=1
				sync
				dd if=/dev/urandom of=a seek=1 bs=1M count=254 conv=notrunc
				sync

				exec {fd}>>a
				rm a
				sync

				"$btdu" --headless --du --min-resolution=1K .

				exec {fd}>&-
			)
		)
	)
)