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SubjectRe: RFC: from FIBMAP to FIONDEV

I'm looking for a way to do FIBMAP on linux 2.4 without being root, and
I learned from the archive that it's restricted for security reasons,
and that it's obsolete anyway. I found this discussion about a
replacement called FIONDEV:

However, I can't find any reference to FIONDEV in current 2.4 sources.
Was anything similar ever coded? Is there a better way then FIBMAP to
get the lba of a file, or are we still stuck with having to have
CAP_SYS_RAWIO in order to do that? This is something that all linux dvd
programs need to do in order to decrypt DVD, and it'd be nice if they
didn't all have to run as root. :)

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