On Fri, Nov 16, 2018 at 03:03:14PM +0100, Christoph Hellwig wrote: > It seems like bi_phys_segments is still around of this series. > Shouldn't it be superflous now? Even though multi-page bvec is supported, the segment number doesn't equal to the actual bvec count yet, for example, one bvec may be too bigger to be held in one single segment. Thanks, Ming