On Tue, Aug 23, 2022 at 03:12:14PM +0100, David Howells wrote: > Copy cifs's setup_aio_ctx_iter() and to lib/iov_iter.c and generalise it as > extract_iter_to_iter(). This allocates and sets up an array of bio_vecs > for all the page fragments in an I/O iterator and sets a second supplied > iterator to bvec-type pointing to the array. Did you read my NACK and comments from last time?