On Fri, Feb 03, 2023 at 08:59:21PM +0000, David Howells wrote: > Provide cifs_splice_read() to use a bvec rather than an pipe iterator as > the latter cannot so easily be split and advanced, which is necessary to > pass an iterator down to the bottom levels. Upstream cifs gets around this > problem by using iov_iter_get_pages() to prefill the pipe and then passing > the list of pages down. Just as last time: if cifs has a problem with splitting these iters so does everyone else. What about solving the root cause here? If the splice isn't actually a splice you might as well not implement it.