linux-kernel - Re: [patch 0/5] union-directory implementation

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Date:	Thu, 21 May 2009 11:56:09 +0200
From:	Miklos Szeredi <miklos@...redi.hu>
To:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
CC:	jblunck@...e.de, bharata@...ibm.com, vaurora@...hat.com,
	viro@...iv.linux.org.uk
Subject: Re: [patch 0/5] union-directory implementation

On Thu, 21 May 2009, Miklos Szeredi wrote:
> Features:
> 
>  - top level directory unification only
>  - no copy up
>  - no whiteouts, opaque dir, etc...
>  - create/rename/unlink only work on top layer
>  - write works on any layer (without copy up)
>  - directory entry deduplication in kernel
>  - supports directory seeking (that hell from POSIX)

Forgot an important one:

 - filesystem independent, any fs can be part of the union

Thanks,
Miklos
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