Subject: Re: How to resolve the filename(s) for a vnode?
To: Jed Davis <jdev@panix.com>
From: Jason Thorpe <thorpej@shagadelic.org>
List: tech-kern
Date: 10/25/2005 05:54:29
On Oct 24, 2005, at 6:55 PM, Jed Davis wrote:
> They also got the permission check more or less right; that is, in the
> exactly-one-parent case, lacking execute permission on any ancestor of
> a file will prevent accessing it by number via volfs.
Yah. The way hard links work in HFS+ kind of helps them out... Each
cnode has exactly one parent, and hard links are represented as
distinct cnodes, as I understand it. Since UFS doesn't participate
in volfs, they don't have to worry about UFS-style hard links.
-- thorpej