18fa9af7 Mon Jun 06 22:44:33 CDT 2022 Al Viro <viro@zeniv.linux.org.uk> iov_iter_bvec_advance(): don't bother with bvec_iter
do what we do for iovec/kvec; that ends up generating better code, AFAICS.
Reviewed-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: Christian Brauner (Microsoft) <brauner@kernel.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>