linux-kernel - Re: [RFC v2 2/3] crypto: Introduce CRYPTO_ALG

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Message-ID: <20160603065146.GA29953@gondor.apana.org.au>
Date:	Fri, 3 Jun 2016 14:51:46 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Baolin Wang <baolin.wang@...aro.org>
Cc:	Jens Axboe <axboe@...nel.dk>, Alasdair G Kergon <agk@...hat.com>,
	Mike Snitzer <snitzer@...hat.com>,
	"open list:DEVICE-MAPPER (LVM)" <dm-devel@...hat.com>,
	David Miller <davem@...emloft.net>,
	Eric Biggers <ebiggers3@...il.com>,
	Joonsoo Kim <js1304@...il.com>, tadeusz.struk@...el.com,
	smueller@...onox.de, Masanari Iida <standby24x7@...il.com>,
	Shaohua Li <shli@...nel.org>,
	Dan Williams <dan.j.williams@...el.com>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	Sagi Grimberg <sagig@...lanox.com>,
	Kent Overstreet <kent.overstreet@...il.com>,
	Keith Busch <keith.busch@...el.com>, Tejun Heo <tj@...nel.org>,
	Ming Lei <ming.lei@...onical.com>,
	Mark Brown <broonie@...nel.org>, Arnd Bergmann <arnd@...db.de>,
	linux-crypto@...r.kernel.org, linux-block@...r.kernel.org,
	"open list:SOFTWARE RAID (Multiple Disks) SUPPORT" 
	<linux-raid@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC v2 2/3] crypto: Introduce CRYPTO_ALG_BULK flag

On Fri, Jun 03, 2016 at 02:48:34PM +0800, Baolin Wang wrote:
>
> If we move the IV generation into the crypto API, we also can not
> handle every algorithm with the bulk interface. Cause we also need to
> use different methods to map one whole bio or map one sector according
> to the algorithm whether can support bulk mode or not. Please correct
> me if I misunderstand your points. Thanks.

Which ones can't be handled this way?

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