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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