Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 29 Jul 2002 17:08:49 -0400
From:      "David E. Cross" <crossd@cs.rpi.edu>
To:        Alfred Perlstein <bright@mu.org>
Cc:        "David E. Cross" <crossd@cs.rpi.edu>, fs@freebsd.org, guptar@cs.rpi.edu, crossd@cs.rpi.edu
Subject:   Re: UFS Journaling Project 
Message-ID:  <200207292108.g6TL8ob08531@jenolen.cs.rpi.edu>
In-Reply-To: Message from Alfred Perlstein <bright@mu.org>  of "Mon, 29 Jul 2002 14:00:41 PDT." <20020729210041.GH76284@elvis.mu.org> 
References:  <200207291714.g6THESc08188@jenolen.cs.rpi.edu>  <20020729210041.GH76284@elvis.mu.org> 

next in thread | previous in thread | raw e-mail | index | archive | help
> * David E. Cross <crossd@cs.rpi.edu> [020729 10:14] wrote:
> > 
> > Question: How do we modify struct ufsmount without causing corruption, or
> > where should we store a pointer to our state information?
> 
> Several things:
> 
> first, my apologies for this being kind of silly, my access to sources
> are very limited now. :)
> 
> 1) have you just tried _only_ adding a spare field to the start or end
> of ufsmount struct?
Not yet, we wanted to group this with some of the other UFS extensions.

> 
> 2) newfs, mount_ufs, fsck and tunefs all include ufs/ufs/ufsmount.h
> possibly something is going wrong there because of kernel/userland
> mismatch?
This isn't even to the point where userland is an issue, it is right ad the kernel tries to mount the rootfs with the modified UFS code.

> 
> 3) as a temp workaround why not just use a hashtable based on the 
> ufsmount's address?
That is evil beyond words.

-- 
David Cross                               | email: crossd@cs.rpi.edu 
Lab Director                              | Rm: 308 Lally Hall
Rensselaer Polytechnic Institute,         | Ph: 518.276.2860            
Department of Computer Science            | Fax: 518.276.4033
I speak only for myself.                  | WinNT:Linux::Linux:FreeBSD

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-fs" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200207292108.g6TL8ob08531>