From: Herbert Xu <herbert@gondor.apana.org.au>
To: Baolin Wang <baolin.wang@linaro.org>
Cc: Jens Axboe <axboe@kernel.dk>, Alasdair G Kergon <agk@redhat.com>,
Mike Snitzer <snitzer@redhat.com>,
"open list:DEVICE-MAPPER (LVM)" <dm-devel@redhat.com>,
David Miller <davem@davemloft.net>,
Eric Biggers <ebiggers3@gmail.com>,
Joonsoo Kim <js1304@gmail.com>,
tadeusz.struk@intel.com, smueller@chronox.de,
Masanari Iida <standby24x7@gmail.com>,
Shaohua Li <shli@kernel.org>,
Dan Williams <dan.j.williams@intel.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Sagi Grimberg <sagig@mellanox.com>,
Kent Overstreet <kent.overstreet@gmail.com>,
Keith Busch <keith.busch@intel.com>, Tejun Heo <tj@kernel.org>,
Ming Lei <ming.lei@canonical.com>,
Mark Brown <broonie@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
linux-crypto@vger.kernel.org, linux-block@vger.kernel.org,
"open list:SOFTWARE RAID (Multiple Disks) SUPPORT"
<linux-raid@vger.kernel.org>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC v4 2/4] crypto: Introduce CRYPTO_ALG_BULK flag
Date: Wed, 15 Jun 2016 15:39:51 +0800 [thread overview]
Message-ID: <20160615073951.GA14986@gondor.apana.org.au> (raw)
In-Reply-To: <CAMz4ku+s-6MQWHhnaau9fK9ssYJNpS9UFvgASoacP0e3vj-zzg@mail.gmail.com>
On Wed, Jun 15, 2016 at 03:38:02PM +0800, Baolin Wang wrote:
>
> But that means we should divide the bulk request into 512-byte size
> requests and break up the mapped sg table for each request. Another
> hand we should allocate memory for each request in crypto layer, which
> dm-crypt have supplied one high efficiency way. I think these are
> really top level how to use the crypro APIs, does that need to move
> into crypto laryer? Thanks.
I have already explained to you how you can piggy-back off dm-crypt's
allocation, so what's the problem?
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
next prev parent reply other threads:[~2016-06-15 7:40 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-07 12:17 [RFC v4 0/4] Introduce the bulk mode method when sending request to crypto layer Baolin Wang
2016-06-07 12:17 ` [RFC v4 1/4] block: Introduce blk_bio_map_sg() to map one bio Baolin Wang
2016-06-07 12:17 ` [RFC v4 2/4] crypto: Introduce CRYPTO_ALG_BULK flag Baolin Wang
2016-06-07 14:16 ` Herbert Xu
2016-06-08 2:00 ` Baolin Wang
2016-06-15 6:27 ` Baolin Wang
2016-06-15 6:49 ` Herbert Xu
2016-06-15 7:38 ` Baolin Wang
2016-06-15 7:39 ` Herbert Xu [this message]
2016-06-15 8:48 ` Baolin Wang
2016-06-07 12:17 ` [RFC v4 3/4] md: dm-crypt: Introduce the bulk mode method when sending request Baolin Wang
2016-06-07 12:17 ` [RFC v4 4/4] crypto: Add the CRYPTO_ALG_BULK flag for ecb(aes) cipher Baolin Wang
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