cleanup: remove left files after test finishes Fix file leak in _get_max_file_size - This is obviously mostly problematic for FS lacking support for sparse files. There seems to be some seek_sanity_testfile files that are not cleaned up and take up space: -rwxr-xr-x. 1 root root 8.0G Sep 22 13:39 seek_sanity_testfile10 g/394: Clean up test files taking space: -rwxr-xr-x. 1 root root 1.0G Sep 22 14:58 394.1183899 -rwxr-xr-x. 1 root root 1.0G Sep 22 14:58 394.1183899-1 -rwxr-xr-x. 1 root root 0 sep 22 14:58 394.1183899+1 Signed-off-by: Pavel Reichl <preichl@redhat.com> Reviewed-by: Zorro Lang <zlang@redhat.com> Signed-off-by: Zorro Lang <zlang@kernel.org>