On Fri, Feb 10, 2017 at 06:56:13PM +0800, Ming Lei wrote: > md still need bio clone(not the fast version) for behind write, > and it is more efficient to use bio_clone_bioset_partial(). > > The idea is simple and just copy the bvecs range specified from > parameters. Given how few users bio_clone_bioset has I wonder if we shouldn't simply add the two new arguments to it instead of adding another indirection. Otherwise looks fine: Reviewed-by: Christoph Hellwig <hch@xxxxxx>
