linux-kernel - Re: [PATCH 2/4] Squashfs: Generalise paging handling in the decompressors (V3)

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Message-ID: <20131119081029.GW4407@bbox>
Date:	Tue, 19 Nov 2013 17:10:29 +0900
From:	Minchan Kim <minchan@...nel.org>
To:	Phillip Lougher <phillip@...ashfs.org.uk>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] Squashfs: Generalise paging handling in the
 decompressors (V3)

On Thu, Nov 14, 2013 at 05:14:17AM +0000, Phillip Lougher wrote:
> Further generalise the decompressors by adding a page handler
> abstraction.  This adds helpers to allow the decompressors
> to access and process the output buffers in an implementation
> independant manner.
> 
> This allows different types of output buffer to be passed
> to the decompressors, with the implementation specific
> aspects handled at decompression time, but without the
> knowledge being held in the decompressor wrapper code.
> 
> This will allow the decompressors to handle Squashfs
> cache buffers, and page cache pages.
> 
> This patch adds the abstraction and an implementation for
> the caches.
> 
> V3: slightly optimise code in page_actor.h
> 
> Signed-off-by: Phillip Lougher <phillip@...ashfs.org.uk>
Reviewed-by: Minchan Kim <minchan@...nel.org>

-- 
Kind regards,
Minchan Kim
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