Path: utzoo!attcan!uunet!lll-winken!lll-tis!ames!ncar!noao!arizona!lm
From: lm@arizona.edu (Larry McVoy)
Newsgroups: comp.unix.wizards
Subject: Re: Why UNIX I/O is so slow (was VAX vs SUN 4 performance)
Keywords: actually FSS vs VNODE
Message-ID: <6032@megaron.arizona.edu>
Date: 29 Jun 88 01:12:28 GMT
References: <22957@bu-cs.BU.EDU> <14968@brl-adm.ARPA> <601@modular.UUCP> <23288@bu-cs.BU.EDU> <7980@alice.UUCP> <23326@bu-cs.BU.EDU> <6963@cit-vax.Caltech.Edu> <441@mn-at1.k.mn.org> <8124@brl-smoke.ARPA>
Reply-To: lm@megaron.arizona.edu (Larry McVoy)
Organization: U of Arizona CS Dept, Tucson
Lines: 9

In article <8124@brl-smoke.ARPA> gwyn@brl.arpa (Doug Gwyn (VLD/VMB) ) writes:
>Such considerations should lead to the conclusion that each type of
>filesystem may need its own access algorithms (perhaps in an I/O
>processor).  This is easy to arrange via the File System Switch.

Do the wizards have a preference (based on logic, not religion, one presumes)
between the file system switch and the vnode method of virtualizing file
systems?  Anyone looked into both?
-- 
Larry McVoy	laidbak!lm@sun.com	1-800-LAI-UNIX x286