btrfs-progs/tests/convert-tests/018-fs-size-overflow/test.sh
David Sterba f6bbe06c08 btrfs-progs: tests: add protection against running out of test suite
Executing the script inside the directories as './test.sh' is not
supposed to work but could happen accidentally. With an exit after
attempting to source the we can fix that.

Signed-off-by: David Sterba <dsterba@suse.com>
2023-04-25 16:59:41 +02:00

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#!/bin/bash
# Check if btrfs-convert can handle an ext4 fs whose size is 64G.
# That fs size could trigger a multiply overflow and screw up free space
# calculation
source "$TEST_TOP/common" || exit
source "$TEST_TOP/common.convert" || exit
check_prereq btrfs-convert
check_global_prereq mke2fs
setup_root_helper
prepare_test_dev 64g
convert_test_prep_fs ext4 mke2fs -t ext4 -b 4096
run_check_umount_test_dev
# Unpatched btrfs-convert would fail half way due to corrupted free space
# cache tree
convert_test_do_convert