Subject: Re: How to resolve the filename(s) for a vnode?
To: Jed Davis <>
From: Jason Thorpe <>
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