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Re: [PATCH 0/2] Introduce the request handling for dm-crypt

From Christoph Hellwig <hch@infradead.org>
Newsgroups linux.kernel
Subject Re: [PATCH 0/2] Introduce the request handling for dm-crypt
Date 2015-11-11 10:50 +0100
Message-ID <qtAcp-11f-1@gated-at.bofh.it> (permalink)
References <qtA2K-Xz-15@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Wed, Nov 11, 2015 at 05:31:43PM +0800, Baolin Wang wrote:
> Now the dm-crypt code only implemented the 'based-bio' method to encrypt/
> decrypt block data, which can only hanle one bio at one time. As we know,
> one bio must use the sequential physical address and it also has a limitation
> of length. Thus it may limit the big block encyrtion/decryption when some
> hardware support the big block data encryption.
> 
> This patch series introduc the 'based-request' method to handle the data
> encryption/decryption. One request can contain multiple bios, so it can
> handle big block data to improve the efficiency.

NAK for more request based stacking or DM drivers.  They are a major
pain to deal with, and adding more with different requirements then
dm-multipath is not helping in actually making that one work properly.
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Thread

[PATCH 0/2] Introduce the request handling for dm-crypt Baolin Wang <baolin.wang@linaro.org> - 2015-11-11 10:40 +0100
  [PATCH 1/2] block: Introduce BIO_ENDIO_FREE for bio flags Baolin Wang <baolin.wang@linaro.org> - 2015-11-11 10:40 +0100
    Re: [PATCH 1/2] block: Introduce BIO_ENDIO_FREE for bio flags Mike Snitzer <snitzer@redhat.com> - 2015-11-11 19:00 +0100
      Re: [PATCH 1/2] block: Introduce BIO_ENDIO_FREE for bio flags Baolin Wang <baolin.wang@linaro.org> - 2015-11-12 05:10 +0100
  Re: [PATCH 0/2] Introduce the request handling for dm-crypt Christoph Hellwig <hch@infradead.org> - 2015-11-11 10:50 +0100
    Re: [PATCH 0/2] Introduce the request handling for dm-crypt Baolin Wang <baolin.wang@linaro.org> - 2015-11-12 03:20 +0100
      Re: [PATCH 0/2] Introduce the request handling for dm-crypt Jan Kara <jack@suse.cz> - 2015-11-12 10:20 +0100
        Re: [PATCH 0/2] Introduce the request handling for dm-crypt Baolin Wang <baolin.wang@linaro.org> - 2015-11-12 10:50 +0100
          Re: [PATCH 0/2] Introduce the request handling for dm-crypt Jan Kara <jack@suse.cz> - 2015-11-12 12:10 +0100
            Re: [PATCH 0/2] Introduce the request handling for dm-crypt Baolin Wang <baolin.wang@linaro.org> - 2015-11-12 12:50 +0100
              Re: [PATCH 0/2] Introduce the request handling for dm-crypt Jan Kara <jack@suse.cz> - 2015-11-12 13:30 +0100
                Re: [PATCH 0/2] Introduce the request handling for dm-crypt Arnd Bergmann <arnd@arndb.de> - 2015-11-12 14:00 +0100
                Re: [PATCH 0/2] Introduce the request handling for dm-crypt Mark Brown <broonie@kernel.org> - 2015-11-12 16:10 +0100
                Re: [PATCH 0/2] Introduce the request handling for dm-crypt Baolin Wang <baolin.wang@linaro.org> - 2015-11-13 04:30 +0100
                Re: [PATCH 0/2] Introduce the request handling for dm-crypt Baolin Wang <baolin.wang@linaro.org> - 2015-11-13 04:30 +0100
                Re: [PATCH 0/2] Introduce the request handling for dm-crypt Baolin Wang <baolin.wang@linaro.org> - 2015-11-12 14:00 +0100
                Re: [PATCH 0/2] Introduce the request handling for dm-crypt Jan Kara <jack@suse.cz> - 2015-11-12 14:00 +0100
                Re: [PATCH 0/2] Introduce the request handling for dm-crypt Baolin Wang <baolin.wang@linaro.org> - 2015-11-13 03:10 +0100
                Re: [PATCH 0/2] Introduce the request handling for dm-crypt Arnd Bergmann <arnd@arndb.de> - 2015-11-13 10:10 +0100
                Re: [PATCH 0/2] Introduce the request handling for dm-crypt Baolin Wang <baolin.wang@linaro.org> - 2015-11-13 12:40 +0100
  Re: [PATCH 0/2] Introduce the request handling for dm-crypt Mike Snitzer <snitzer@redhat.com> - 2015-11-11 19:20 +0100
    Re: [PATCH 0/2] Introduce the request handling for dm-crypt Baolin Wang <baolin.wang@linaro.org> - 2015-11-12 03:40 +0100
      Re: [dm-devel] [PATCH 0/2] Introduce the request handling for  dm-crypt Christoph Hellwig <hch@infradead.org> - 2015-11-12 10:10 +0100
    Re: [PATCH 0/2] Introduce the request handling for dm-crypt Baolin Wang <baolin.wang@linaro.org> - 2015-11-12 09:30 +0100
      Re: [PATCH 0/2] Introduce the request handling for dm-crypt Mark Brown <broonie@kernel.org> - 2015-11-12 11:10 +0100
        Re: [PATCH 0/2] Introduce the request handling for dm-crypt Jens Axboe <axboe@kernel.dk> - 2015-11-12 16:30 +0100
          Re: [PATCH 0/2] Introduce the request handling for dm-crypt Baolin Wang <baolin.wang@linaro.org> - 2015-11-13 03:10 +0100
          Re: [PATCH 0/2] Introduce the request handling for dm-crypt Mark Brown <broonie@kernel.org> - 2015-11-13 13:00 +0100
    Re: [dm-devel] [PATCH 0/2] Introduce the request handling for  dm-crypt Christoph Hellwig <hch@infradead.org> - 2015-11-12 10:10 +0100

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