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Re: bin/698: mount uses mount_* for external fs types, umount should too.
David Holland <dholland-bugs%NetBSD.org@localhost> wrote:
> Log Message:
> If an external unmount program of the form "umount_TYPE" exists
> (e.g. umount_ffs, umount_nfs, etc.) exec it instead of calling
> Closes PR 698.
> (One might also ask whether there's any real need for this
> functionality at all any more; this is a fair question, but (a) the
> change is small and (b) there are certainly cases when doing FS
> research where you want a custom unmount program; been there & done
Indeed - the case that prompted this PR, was NFS running over SSL to
userland NFS server. Mount requests authenticated by X509 certs and/or
2 factor authentication.
Performance was poor (putting it mildly) but not an important
AFAIK the system is still in use today ;-)
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