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Re: [PATCH 4/4] md: fast clone bio in bio_clone_mddev()

From Christoph Hellwig <hch@infradead.org>
Newsgroups linux.kernel
Subject Re: [PATCH 4/4] md: fast clone bio in bio_clone_mddev()
Date 2017-02-06 15:30 +0100
Message-ID <t7SsP-64V-37@gated-at.bofh.it> (permalink)
References <t7ouJ-3zf-1@gated-at.bofh.it> <t7ouJ-3zf-3@gated-at.bofh.it> <t7NCN-33M-9@gated-at.bofh.it> <t7P1U-3Pt-5@gated-at.bofh.it>
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On Mon, Feb 06, 2017 at 06:43:32PM +0800, Ming Lei wrote:
> In theory, ->bio_set still might be NULL in case of failed memory allocation,
> please see md_run().

And that's something that should be fixed.  Silently not having mempool
is very bad behavior.

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Thread

[PATCH 0/4] md: use bio_clone_fast() Ming Lei <tom.leiming@gmail.com> - 2017-02-05 07:30 +0100
  [PATCH 4/4] md: fast clone bio in bio_clone_mddev() Ming Lei <tom.leiming@gmail.com> - 2017-02-05 07:30 +0100
    Re: [PATCH 4/4] md: fast clone bio in bio_clone_mddev() Christoph Hellwig <hch@infradead.org> - 2017-02-06 10:20 +0100
      Re: [PATCH 4/4] md: fast clone bio in bio_clone_mddev() Ming Lei <tom.leiming@gmail.com> - 2017-02-06 11:50 +0100
        Re: [PATCH 4/4] md: fast clone bio in bio_clone_mddev() Christoph Hellwig <hch@infradead.org> - 2017-02-06 15:30 +0100
  [PATCH 2/4] md: introduce bio_clone_slow_mddev_partial() Ming Lei <tom.leiming@gmail.com> - 2017-02-05 07:30 +0100
    Re: [PATCH 2/4] md: introduce bio_clone_slow_mddev_partial() Christoph Hellwig <hch@infradead.org> - 2017-02-06 10:00 +0100
  [PATCH 1/4] block: introduce bio_clone_bioset_partial() Ming Lei <tom.leiming@gmail.com> - 2017-02-05 07:30 +0100
  [PATCH 3/4] md/raid1: use bio_clone_slow_mddev_partial in case of write behind Ming Lei <tom.leiming@gmail.com> - 2017-02-05 07:30 +0100

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