From mboxrd@z Thu Jan  1 00:00:00 1970
From: hooanon05@yahoo.co.jp
Subject: Re: [fuse-devel] delta filesystem prototype
Date: Wed, 04 Mar 2009 00:50:10 +0900
Message-ID: <19642.1236095410@jrobl>
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Cc: Goswin von Brederlow <goswin-v-b@web.de>,
	Miklos Szeredi <miklos@szeredi.hu>,
	linux-fsdevel@vger.kernel.org, fuse-devel@lists.sourceforge.net
To: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
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Dave Kleikamp:
> The lower read-only file would not appear to user-space as the same file
> at all.  It would have its own address space.  It clearly would not see
> the new content.
> 
> There wouldn't be any problem with reading pages from the lower file for
> the upper file one at a time as they are faulted.

I am afraid that I cannot understand fully what you wrote (due to my
poor English).
Do you mean that the entire file copyup will be necessary?


J. R. Okajima