Messages in this thread | | | Date | Thu, 14 Jun 2012 10:57:21 +0800 | From | Asias He <> | Subject | Re: [PATCH RFC 1/2] block: Add blk_bio_map_sg() helper |
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On 06/14/2012 10:31 AM, Tejun Heo wrote: > On Wed, Jun 13, 2012 at 03:41:46PM +0800, Asias He wrote: >> Add a helper to map a bio to a scatterlist, modelled after >> blk_rq_map_sg. >> >> This helper is useful for any driver that wants to create >> a scatterlist from its ->make_request_fn method. > > This may not be possible but I really wanna avoid having two copies of > that complex logic. Any chance blk_rq_map_bio() can be implemented in > a way that allows blk_rq_map_sg() can be built on top of it? Also, > please include proper docbook style function comment on new public API > functions.
OK. Will do. I guess you mean building blk_rq_map_sg() on top of blk_bio_map_sg().
-- Asias
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