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Re: [PATCH v1 01/14] block: introduce bio_segments_all()

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> +static inline unsigned bio_segments_all(struct bio *bio)
> +{
> +	WARN_ON_ONCE(bio_flagged(bio, BIO_CLONED));
> +
> +	return bio->bi_vcnt;
> +}

I don't think this helpers really adds any benefit.

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[PATCH v1 00/14] md: cleanup on direct access to bvec table Ming Lei <tom.leiming@gmail.com> - 2017-02-24 16:50 +0100
  [PATCH v1 06/14] md: raid1: simplify r1buf_pool_free() Ming Lei <tom.leiming@gmail.com> - 2017-02-24 16:50 +0100
  [PATCH v1 04/14] md: move two macros into md.h Ming Lei <tom.leiming@gmail.com> - 2017-02-24 16:50 +0100
  [PATCH v1 08/14] md: raid1: retrieve page from pre-allocated resync page array Ming Lei <tom.leiming@gmail.com> - 2017-02-24 16:50 +0100
  [PATCH v1 13/14] md: raid10: retrieve page from preallocated resync page array Ming Lei <tom.leiming@gmail.com> - 2017-02-24 16:50 +0100
  [PATCH v1 14/14] md: raid10: avoid direct access to bvec table in handle_reshape_read_error Ming Lei <tom.leiming@gmail.com> - 2017-02-24 16:50 +0100
  [PATCH v1 03/14] md: raid1/raid10: use bio_remove_last_page() Ming Lei <tom.leiming@gmail.com> - 2017-02-24 16:50 +0100
  [PATCH v1 01/14] block: introduce bio_segments_all() Ming Lei <tom.leiming@gmail.com> - 2017-02-24 16:50 +0100
    Re: [PATCH v1 01/14] block: introduce bio_segments_all() Christoph Hellwig <hch@infradead.org> - 2017-02-25 19:30 +0100
      Re: [PATCH v1 01/14] block: introduce bio_segments_all() Ming Lei <tom.leiming@gmail.com> - 2017-02-28 13:30 +0100

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