On Mon, Jun 17, 2019 at 11:03:43AM +0800, Ming Lei wrote: > Use the scatterlist iterators and remove direct indexing of the > scatterlist array. > > This way allows us to pre-allocate one small scatterlist, which can be > chained with one runtime allocated scatterlist if the pre-allocated one > isn't enough for the whole request. Looks good, Reviewed-by: Christoph Hellwig <hch@xxxxxx>