On Fri, Nov 16, 2018 at 02:49:36PM +0100, Christoph Hellwig wrote: > I'd much rather have __bio_try_merge_page only do merges in > the same page, and have a new __bio_try_merge_segment that does > multi-page merges. This will keep the accounting a lot simpler. Looks this way is clever, will do it in next version. Thanks, Ming