From: "Ronald G. Minnich" <rminnich@lanl.gov>
To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu>
Subject: Re: [9fans] Acme mailreader
Date: Fri, 17 Dec 2004 08:50:24 -0700 [thread overview]
Message-ID: <Pine.LNX.4.58.0412170845320.10747@linux.site> (raw)
In-Reply-To: <e065bb11cf908e6660b36b0a2bd27d29@9netics.com>
On Thu, 16 Dec 2004, Skip Tavakkolian wrote:
> but what's under coda, AFS or intermezzo?
as martin explained better than I had, intermezzo (Presotto can translate
except he has left the building) is 'something between 2 things' and in
this case it is an interposition between the top of VFS and ext[2,3].
When the VFS layer does I/O imezzo decides whether to kick the request out
to userspace or satisfy it with the ext3 store. the userspace daemon can
invalidate entries in the 'cache' (ext3 store).
It gets complex and you can see how much easier plan 9 makes this stuff,
but that's basically it.
ron
next prev parent reply other threads:[~2004-12-17 15:50 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-15 15:34 jim
2004-12-15 15:40 ` gdiaz
2004-12-15 15:47 ` jim
2004-12-15 15:50 ` Joseph Stewart
2004-12-15 15:57 ` jim
2004-12-15 16:10 ` Russ Cox
2004-12-15 15:58 ` Charles Forsyth
2004-12-15 16:04 ` jim
2004-12-15 16:24 ` C H Forsyth
2004-12-15 16:31 ` jim
2004-12-15 17:07 ` Russ Cox
2004-12-15 17:30 ` jim
2004-12-15 18:33 ` Russ Cox
2004-12-15 18:49 ` jim
2004-12-15 18:36 ` Axel Belinfante
2004-12-15 18:47 ` jim
2004-12-15 18:51 ` rog
2004-12-15 18:48 ` Skip Tavakkolian
2004-12-15 16:05 ` rog
2004-12-15 16:07 ` rog
2004-12-15 16:09 ` jim
2004-12-16 0:24 ` geoff
2004-12-16 4:12 ` Ronald G. Minnich
2004-12-16 4:51 ` geoff
2004-12-16 9:25 ` jim
2004-12-16 5:13 ` Skip Tavakkolian
2004-12-16 5:17 ` geoff
2004-12-16 5:20 ` boyd, rounin
2004-12-16 5:34 ` boyd, rounin
2004-12-16 5:29 ` Skip Tavakkolian
2004-12-16 15:54 ` Ronald G. Minnich
2004-12-16 17:52 ` Skip Tavakkolian
2004-12-16 18:13 ` Dave Eckhardt
2004-12-16 5:23 ` Andy Newman
2004-12-16 15:52 ` Ronald G. Minnich
2004-12-16 8:17 ` Martin C.Atkins
2004-12-16 9:35 ` jim
2004-12-16 15:19 ` rog
2004-12-16 15:26 ` jim
2004-12-16 9:30 ` jim
2004-12-16 15:08 ` David Leimbach
2004-12-16 23:22 ` geoff
2004-12-16 23:25 ` boyd, rounin
2004-12-16 23:38 ` Ronald G. Minnich
2004-12-17 1:31 ` Skip Tavakkolian
2004-12-17 15:50 ` Ronald G. Minnich [this message]
2004-12-17 4:55 ` [9fans] Acme mailreader - now: User mode filesystems in linux Martin C.Atkins
2004-12-17 9:54 ` Martin C.Atkins
2004-12-17 10:22 ` geoff
2004-12-17 10:45 ` Martin C.Atkins
2004-12-17 11:42 ` Andy Newman
2004-12-17 15:57 ` Ronald G. Minnich
2004-12-17 12:30 ` Latchesar Ionkov
2004-12-17 15:55 ` Ronald G. Minnich
2004-12-17 13:41 ` Derek Fawcus
2004-12-17 14:42 ` Karl Magdsick
2004-12-17 14:56 ` Russ Cox
2004-12-18 0:13 ` Tim Newsham
2004-12-18 0:13 ` boyd, rounin
2004-12-18 3:49 ` Ronald G. Minnich
2004-12-23 16:04 ` boyd, rounin
2004-12-17 15:44 ` Ronald G. Minnich
2004-12-18 12:35 ` Martin C.Atkins
2004-12-17 18:52 ` [9fans] Acme mailreader David Leimbach
2004-12-17 23:20 ` Jack Johnson
2004-12-18 1:00 ` David Leimbach
2004-12-15 16:09 ` Russ Cox
2004-12-15 16:16 ` jim
2004-12-15 16:22 ` boyd, rounin
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