On Tue, Dec 15, 2020 at 12:20:24AM +0000, Pavel Begunkov wrote: > A preparation patch. It adds a simple helper which abstracts out number > of segments we're allocating for a bio from iov_iter_npages(). Preparation for what? bio_iov_vecs_to_alloc() doesn't seem to be used outside this specific patch, so it's not clear what it's actually needed for... Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx