From: Charles Forsyth <charles.forsyth@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] file server design documentation
Date: Sat, 22 Dec 2012 10:35:36 +0000 [thread overview]
Message-ID: <CAOw7k5izaoxUXxgh=KzcKEHzUypDCk4p=vZJWiWDaAdGC2Ob4A@mail.gmail.com> (raw)
In-Reply-To: <3AE164B0-1269-42AA-972F-6D49CD7C1642@quintile.net>
I don't think either of those is a special rule, or undocumented.
Indeed, I can't think of any behaviour that isn't covered in section 5.
Following an attach, you're at the root, and a walk with no qids will
leave you there, so stat will just work,
although I don't know anything that relies on that.
Walk of ".." in the root of a file system leaves you there (see walk(5)).
On 21 December 2012 18:23, steve <steve@quintile.net> wrote:
> the initial stat of a zero length name should return the Dir
> of the root dir.
>
> and a walk up to the root directory tells mount driver that
> you want to pass control back to the parent filesystem.
next prev parent reply other threads:[~2012-12-22 10:35 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-21 18:23 steve
2012-12-21 18:35 ` Nemo
2012-12-21 18:44 ` Gorka Guardiola
2012-12-21 20:01 ` Skip Tavakkolian
2012-12-22 10:35 ` Charles Forsyth [this message]
2012-12-22 15:59 ` erik quanstrom
2012-12-22 18:04 ` Charles Forsyth
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