Re: [PATCH RFC 1/2] block: Add blk_bio_map_sg() helper
From: Tejun Heo <tj@kernel.org>
Date: 2012-06-14 02:32:10
Also in:
kvm, lkml
Possibly related (same subject, not in this thread)
- 2012-06-14 · Re: [PATCH RFC 1/2] block: Add blk_bio_map_sg() helper · Asias He <hidden>
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. Thanks. -- tejun