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Message-ID: <20160127080355.GA31330@gondor.apana.org.au>
Date: Wed, 27 Jan 2016 16:03:55 +0800
From: Herbert Xu <herbert@...dor.apana.org.au>
To: "Li, Weigang" <weigang.li@...el.com>
Cc: Joonsoo Kim <js1304@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
Minchan Kim <minchan@...nel.org>,
Dan Streetman <ddstreet@...e.org>,
linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
Joonsoo Kim <iamjoonsoo.kim@....com>
Subject: Re: [PATCH v2 04/10] crypto/compress: add asynchronous compression
support
On Wed, Jan 27, 2016 at 03:59:05PM +0800, Li, Weigang wrote:
>
> The acomp is also SG-based, while scomp only accepts flat buffer.
Right, but do we need a pointer-based scomp at all? IPComp would
certainly be better off with an SG-based interface. Any other
users of compression are presumably dealing with large amounts
of data where an SG interface would make more sense.
A pointer interface makes sense for shash because you may be hashing
16 bytes at a time. Nobody sane is going to be compressing 16 bytes,
or are they?
Cheers,
--
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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