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Groups > linux.kernel > #1574460

Re: [PATCH 2/4] md: introduce bio_clone_slow_mddev_partial()

From Christoph Hellwig <hch@infradead.org>
Newsgroups linux.kernel
Subject Re: [PATCH 2/4] md: introduce bio_clone_slow_mddev_partial()
Date 2017-02-06 10:00 +0100
Message-ID <t7Njs-2A1-1@gated-at.bofh.it> (permalink)
References <t7ouJ-3zf-1@gated-at.bofh.it> <t7ouJ-3zf-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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> +struct bio *bio_clone_slow_mddev_partial(struct bio *bio, gfp_t gfp_mask,
> +					 struct mddev *mddev, int offset,
> +					 int size)
> +{
> +	struct bio_set *bs;
> +
> +	if (!mddev || !mddev->bio_set)
> +		bs = fs_bio_set;
> +	else
> +		bs = mddev->bio_set;
> +
> +	return bio_clone_bioset_partial(bio, gfp_mask, bs, offset << 9,
> +					size << 9);
> +}
> +EXPORT_SYMBOL_GPL(bio_clone_slow_mddev_partial);

As far as I can tell the caller always has a mddev, and an active
mddev always has a bio_set.  So let's just skip this wrapper.

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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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