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Message-Id: <cover.1450080755.git.baolin.wang@linaro.org> Date: Mon, 14 Dec 2015 16:23:38 +0800 From: Baolin Wang <baolin.wang@...aro.org> To: axboe@...nel.dk, agk@...hat.com, snitzer@...hat.com, dm-devel@...hat.com Cc: neilb@...e.com, dan.j.williams@...el.com, martin.petersen@...cle.com, sagig@...lanox.com, kent.overstreet@...il.com, keith.busch@...el.com, tj@...nel.org, broonie@...nel.org, arnd@...db.de, linux-block@...r.kernel.org, linux-raid@...r.kernel.org, linux-kernel@...r.kernel.org, baolin.wang@...aro.org Subject: [PATCH 0/2] Optimize the dm-crypt for XTS mode In now dm-crypt code, we find it only send one scatterlist which maps one segment of one bio to the crypto engine at one time. But that will be more time-consuming and ineffective for the crypto engine. For XTS mode, it can map the whole bio with multiple scatterlists, and send all the scatterlists to the crypto engine which can improve the performance. Baolin Wang (2): block: Export the __blk_bios_map_sg() to map one bio md: dm-crypt: Optimize the dm-crypt for XTS mode block/blk-merge.c | 7 +- drivers/md/dm-crypt.c | 315 +++++++++++++++++++++++++++++++++++++++++++++++- include/linux/blkdev.h | 3 + 3 files changed, 316 insertions(+), 9 deletions(-) -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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