On Tue, Feb 14, 2017 at 09:04:26AM +0800, Ming Lei wrote: > On Mon, Feb 13, 2017 at 9:46 PM, Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote: > > 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. > > For md write-behind, looks we have to provide the two arguments, > could you explain a bit how we can do that by adding another indirection? I meant to just pass the additional arguments that bio_clone_bioset_partial has to bio_clone_bioset.
