linux-kernel - Re: [linux-cifs-client] Re: SMB2 file system

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Message-Id: <1178203013.28758.29.camel@localhost.localdomain>
Date:	Thu, 03 May 2007 10:36:53 -0400
From:	simo <idra@...ba.org>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Steve French <smfrench@...il.com>,
	linux-cifs-client@...ts.samba.org, linux-kernel@...r.kernel.org
Subject: Re: [linux-cifs-client] Re: SMB2 file system - should it be a
	distinct module

On Thu, 2007-05-03 at 15:17 +0100, Christoph Hellwig wrote:
> On Thu, May 03, 2007 at 09:21:29AM -0400, simo wrote:
> > Separate modules would mean the user have to know which protocol to
> > choose each time. And this make little sense.
> 
> Of course it makes a lot of sense.  We don't have anyfs.ko either
> because some ubuntu users are too braindead to know what's on their
> disk.
> 
> > You really want to auto-negotiate which protocol to use, because you
> > could have at the same time a connection to a Vista/Longhorn (SMB2)
> > machine and one to a Windows 2000 server (plain SMB) in the same domain
> > using the same credentials.
> 
> So what?

I guess DFS referrals can work cross protocol, so if you are redirected
from a longhorn server to a windoes 2000 or a samba server you want to
be able to follow the DFS referral and not return an error.
To do that you need to have either 1 module that support both protocols
or a way from one module to call the other. Just separating the 2
without any glue will not work (or you will have to add some userspace
upcall hack to make it work).

Simo.

-- 
Simo Sorce
Samba Team GPL Compliance Officer
email: idra@...ba.org
http://samba.org

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