On Thu, 9 May 2024 12:00:25 -0600 Jens Axboe wrote: > With io_uring, one thing we can do is tell userspace whether or not > there's more data left in a socket after a receive is done. This is > useful for applications to now, and it also helps make multishot receive > requests more efficient by eliminating that last failed retry when the > socket has no more data left. This is propagated by setting the > IORING_CQE_F_SOCK_NONEMPTY flag, and is driven by setting > msghdr->msg_get_inq and having the protocol fill out msghdr->msg_inq in > that case. > > For accept, there's a similar issue in that we'd like to know if there > are more connections to accept after the current one has been accepted. > Both because we can tell userspace about it, but also to drive multishot > accept retries more efficiently, similar to recv/recvmsg. > > This series starts by changing the proto/proto_ops accept prototypes > to eliminate flags/errp/kern and replace it with a structure that > encompasses all of them. Acked-by: Jakub Kicinski <kuba@xxxxxxxxxx> Feel free to submit for 6.10, or LMK if you want me to send the first 3 to Linus.
