From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: To: 9fans@cse.psu.edu Subject: Re: [9fans] tip o' the day Date: Tue, 15 Feb 2005 17:34:29 +0000 From: rog@vitanuova.com In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="upas-ldiacmkqbihvgtfxvczvjhfwwy" Topicbox-Message-UUID: 488d0f4e-eace-11e9-9e20-41e7f4b1d025 This is a multi-part message in MIME format. --upas-ldiacmkqbihvgtfxvczvjhfwwy Content-Disposition: inline Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit actually, technically the changes could be fairly small (and backwardly compatible). the problems are those of naming, overall desirability, and backwards compatibility of those programs that use the new syscalls. unless there are ramifications i'm not aware of, which is quite likely. --upas-ldiacmkqbihvgtfxvczvjhfwwy Content-Type: message/rfc822 Content-Disposition: inline Received: from mail.cse.psu.edu ([130.203.4.6]) by doppio; Tue Feb 15 17:29:38 GMT 2005 Received: from psuvax1.cse.psu.edu (localhost [127.0.0.1]) by mail.cse.psu.edu (CSE Mail Server) with ESMTP id 13937C6A86 for ; Tue, 15 Feb 2005 12:26:36 -0500 (EST) X-Original-To: 9fans@cse.psu.edu Delivered-To: 9fans@cse.psu.edu Received: from localhost (localhost [127.0.0.1]) by mail.cse.psu.edu (CSE Mail Server) with ESMTP id 09B55C6A3C for <9fans@cse.psu.edu>; Tue, 15 Feb 2005 12:26:09 -0500 (EST) Received: from mail.cse.psu.edu ([127.0.0.1]) by localhost (psuvax1 [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 00652-01-40 for <9fans@cse.psu.edu>; Tue, 15 Feb 2005 12:26:05 -0500 (EST) Received: from mailwasher-b.lanl.gov (mailwasher.lanl.gov [192.65.95.54]) by mail.cse.psu.edu (CSE Mail Server) with ESMTP id 4E828C6A34 for <9fans@cse.psu.edu>; Tue, 15 Feb 2005 12:26:05 -0500 (EST) Received: from ccs-mail.lanl.gov (ccs-mail.lanl.gov [128.165.4.126]) by mailwasher-b.lanl.gov (8.12.11/8.12.11/(ccn-5)) with ESMTP id j1FHQ4B7030392 for <9fans@cse.psu.edu>; Tue, 15 Feb 2005 10:26:04 -0700 Received: from enigma.lanl.gov (enigma.lanl.gov [128.165.250.185]) by ccs-mail.lanl.gov (8.12.11/8.12.11/(ccn-5)) with ESMTP id j1FHQ3io009838 for <9fans@cse.psu.edu>; Tue, 15 Feb 2005 10:26:03 -0700 Date: Tue, 15 Feb 2005 10:26:03 -0700 (MST) From: "Ronald G. Minnich" To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu> Subject: Re: [9fans] tip o' the day In-Reply-To: <8fd9ce77c40c8069aef69fa88b7d9841@vitanuova.com> Message-ID: References: <8fd9ce77c40c8069aef69fa88b7d9841@vitanuova.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-PMX-Version: 4.7.0.111621 X-Virus-Scanned: by amavisd-new at cse.psu.edu X-BeenThere: 9fans@cse.psu.edu X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu> List-Id: Fans of the OS Plan 9 from Bell Labs <9fans.cse.psu.edu> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: 9fans-bounces+rog=vitanuova.com@cse.psu.edu Errors-To: 9fans-bounces+rog=vitanuova.com@cse.psu.edu On Tue, 15 Feb 2005 rog@vitanuova.com wrote: > the real fix (i think) is to allow fds to refer to non-open files in the > plan 9 syscall interface (hence allowing exportfs to retain a reference > to walked-to directories without opening them), but that's a significant > change, hence unlikely to happen. well, overall, it would be actually kind of neat if 9p was reflected right out to userspace for some of the stuff I do. But boy, that is a change from open/read/write/close, that's for sure. ron --upas-ldiacmkqbihvgtfxvczvjhfwwy--