There is a need in some applications, such as debian-cd, to pack files into volumes. The size of filesystem metadata on a ISO 9660 volume is not easily predictable so this requires feedback from the filesystem creator. To support such applications, there should be a function in libisofs to calculate the on-disk size of an iso_volume without actually preparing the image.
Ben Hutchings Do you still experience this issue with newer drivers ? Please check the status of your issue.
(In reply to comment #1) > Ben Hutchings > Do you still experience this issue with newer drivers ? > Please check the status of your issue. This appears to have been implemented in 0.6.40: * New API call iso_write_opts_set_will_cancel() avoids start of write thread and is to be used to inquire the future image size.
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