On 5/18/18 10:47 AM, Christoph Hellwig wrote: > For the upcoming removal of buffer heads in XFS we need to keep track of > the number of outstanding writeback requests per page. For this we need > to know if bio_add_page merged a region with the previous bvec or not. > Instead of adding additional arguments this refactors bio_add_page to > be implemented using three lower level helpers which users like XFS can > use directly if they care about the merge decisions.
Reviewed-by: Jens Axboe <ax...@kernel.dk> -- Jens Axboe
