From: Iruata Souza <iru.muzgo@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] 9p question
Date: Thu, 30 Jul 2009 13:30:45 -0300 [thread overview]
Message-ID: <d1c554290907300930o523c248h7336550e3329cae5@mail.gmail.com> (raw)
In-Reply-To: <dd6fe68a0907300908k3bd5edd2mb4094c4e88d12170@mail.gmail.com>
On Thu, Jul 30, 2009 at 1:08 PM, Russ Cox<rsc@swtch.com> wrote:
> On Thu, Jul 30, 2009 at 8:28 AM, Venkatesh Srinivas<me@acm.jhu.edu> wrote:
>> How come you can't TWalk along an open Fid?
>
> In the original 9P protocol, that didn't make sense,
> because walk always updated the fid it was starting from.
> If you open a fid and then walk it elsewhere,
> is it still open? Is that an implicit close?
> And the operation isn't needed by the Plan 9 kernel anyway,
> so out it goes.
>
> In the current 9P protocol, I think it would be fine to
> allow a walk to start at an open fid as long as newfid
> was being used to create a new fid. This would
> make it easy to implement fchdir on Unix.
>
it would surely make it easier for unix implementations. i have had
plenty of issues with that in o9fs.
but as yourself pointed out, what would that walk mean?
iru
next prev parent reply other threads:[~2009-07-30 16:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-30 15:28 Venkatesh Srinivas
2009-07-30 16:08 ` Russ Cox
2009-07-30 16:30 ` Iruata Souza [this message]
2009-07-30 20:44 ` Russ Cox
-- strict thread matches above, loose matches on Subject: below --
2000-02-18 10:47 Roman
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