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From: Shaya Potter <spotter@cs.columbia.edu>
To: Michael Halcrow <mhalcrow@us.ibm.com>
Cc: Josef Sipek <jsipek@fsl.cs.sunysb.edu>,
	Andrew Morton <akpm@osdl.org>, Christoph Hellwig <hch@lst.de>,
	linux-fsdevel@vger.kernel.org
Subject: Re: ecryptfs
Date: Mon, 07 Aug 2006 20:13:10 -0400	[thread overview]
Message-ID: <1154995990.4585.0.camel@localhost.localdomain> (raw)
In-Reply-To: <20060807224736.GI2883@us.ibm.com>

On Mon, 2006-08-07 at 17:47 -0500, Michael Halcrow wrote:
> On Mon, Aug 07, 2006 at 01:21:04PM -0400, Josef Sipek wrote:
> > On Mon, Aug 07, 2006 at 11:31:15AM -0500, Michael Halcrow wrote:
> > ...
> > > Here is where I am thinking about going with crossing lower mount
> > > points. This patch makes sure that there is a 1-to-1 mapping in
> > > inode numbers between the stacked inodes and the lower inodes. It
> > > maintains the association by modifying the struct inode to include
> > > a back pointer from the lower inode to the stacked inode.
> > 
> > Do you maintain the inode numbers across mounts (of ecryptfs)? The
> > patch doesn't look like it does.
> 
> Nope; this patch just aims to make sure that stacked and lower inodes
> maintain a 1-to-1 relationship.

so that won't let your cross mount points.... i.e. the 2 underlying
mountpoints can have the same inode numbers, couldn't they?


  reply	other threads:[~2006-08-08  0:13 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20060805140237.2226a9dc.akpm@osdl.org>
     [not found] ` <20060807161939.GC2950@us.ibm.com>
2006-08-07 16:31   ` ecryptfs Michael Halcrow
2006-08-07 17:21     ` ecryptfs Josef Sipek
2006-08-07 22:47       ` ecryptfs Michael Halcrow
2006-08-08  0:13         ` Shaya Potter [this message]
2006-08-08 14:31           ` ecryptfs Michael Halcrow
2006-08-08 15:10             ` ecryptfs Shaya Potter

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