On Thu, Jan 12, 2017 at 12:13:31PM +0100, Ilya Dryomov wrote: > It would be a significant and wide-reaching change, but I've been > meaning to look into switching to iov_iter for a couple of releases > now. There is a lot of ugly code in net/ceph/messenger.c to hangle > iteration over "page vectors", "page lists" and "bio lists". All of it > predates iov_iter proliferation and is mostly incomplete anyway: IIRC > you can send out of a pagelist but can't recv into a pagelist, etc. Wait a sec... Is it done from the same thread that has issued a syscall? If so, we certainly could just pass iov_iter without bothering with any form of ..._get_pages(); if not, we'll need at least to get from iovec to bio_vec, since userland addresses make sense only in the caller's context... -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
