[PATCH V3 1/3] block: Introduce __blk_segment_map_sg() helper

Split the mapping code in blk_rq_map_sg() to a helper __blk_segment_map_sg(), so that other mapping function, e.g. blk_bio_map_sg(), can share the code. Cc: Jens Axboe Cc: Tejun Heo Cc: Shaohua Li Cc: linux-kernel@vger.kernel.org Suggested-by: Tejun Heo Suggested-by: Jens Axboe

[PATCH V3 1/3] block: Introduce __blk_segment_map_sg() helper

Split the mapping code in blk_rq_map_sg() to a helper __blk_segment_map_sg(), so that other mapping function, e.g. blk_bio_map_sg(), can share the code. Cc: Jens Axboe ax...@kernel.dk Cc: Tejun Heo t...@kernel.org Cc: Shaohua Li s...@kernel.org Cc: linux-kernel@vger.kernel.org Suggested-by: Tejun