Date: Sat, 17 Jul 1999 19:36:36 -0700 (PDT) From: Matthew Dillon <dillon@apollo.backplane.com> To: "Brian F. Feldman" <green@FreeBSD.ORG> Cc: "David E. Cross" <crossd@cs.rpi.edu>, freebsd-hackers@FreeBSD.ORG Subject: Re: USFS (User Space File System) Message-ID: <199907180236.TAA88346@apollo.backplane.com> References: <Pine.BSF.4.10.9907172219500.1891-100000@janus.syracuse.net>
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:> :
:> : Brian Fundakowski Feldman _ __ ___ ____ ___ ___ ___
:> : green@FreeBSD.org _ __ ___ | _ ) __| \
:>
:> Actually, it isn't quite. All the portal filesystem will allow you
:> to do is pass back a descriptor. It does not allow you to simulate
:> a filesystem.
:
:Maybe I didn't read the original e-mail that well. But with descriptors,
:can't you fork off individual handlers for each fd? Make a user-land FS
:that way? I never investigated it, except noticing the neat things it does
:with the portal daemon.
:...
: Brian Fundakowski Feldman _ __ ___ ____ ___ ___ ___
No, you can't. All you can do is return a file descriptor. It can be
a pipe, of course, but that's still nowhere near what you need to
simulate a filesystem.
-Matt
Matthew Dillon
<dillon@backplane.com>
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