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From: Nikita Danilov <nikita@clusterfs.com>
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Date: Thu, 26 Aug 2004 19:41:52 +0400
To: Jamie Lokier <jamie@shareable.org>
Cc: Christophe Saout <christophe@saout.de>, Adrian Bunk <bunk@fs.tum.de>,
       Hans Reiser <reiser@namesys.com>,
       viro@parcelfarce.linux.theplanet.co.uk,
       Linus Torvalds <torvalds@osdl.org>, Christoph Hellwig <hch@lst.de>,
       linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
       Alexander Lyamin aka FLX <flx@namesys.com>,
       ReiserFS List <reiserfs-list@namesys.com>
Subject: Re: silent semantic changes with reiser4
In-Reply-To: <20040826150434.GF5733@mail.shareable.org>
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Jamie Lokier writes:
 > Christophe Saout wrote:
 > > What reiser4 can do, but the VFS can't is to insert or remove data in
 > > the middle of a file. Adding this above the page cache would probably be
 > > almost impossible (truncate seems already complicated enough).
 > 
 > That would be one of those "special features" that a
 > VFS-plus-userspace implementation of archive views could take
 > advantage of on reiser4, while using a slower method (sometimes much
 > slower) on all other filesystems.
 > 
 > By the way, can reiser4 share parts of files between different files?

It can, but fsck is supposed to cope with this. :)

 > 
 > -- Jamie

Nikita.