liburing

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I think the documentation for IORING_LINK_TIMEOUT_UPDATE is missing. I don't see that symbol used in the liburing repo either. It is used in one place in the kernel - setting...

FrankReh

Improvement: Better IORING_MSG_SEND_FD interface

9

The current interface for sending uring-registered files between different urings is rather awkward if you plan to send and receive files from multiple urings (i.e. not in a single-producer-multi-consumer fashion),...

evyatark2

zero-copy send with IOSQE_CQE_SKIP_SUCCESS is broken

10

I noticed that zero-copy send can't be used with IOSQE_CQE_SKIP_SUCCESS. It took quite a while to find that out(i thought the problem was on my end), so I think it...

illiliti

io_uring_prep_setsockopt

4

Hello, It would be useful to be able to call setsockopt asynchronously because TCP_QUICKACK has to be set repeatedly during the life of a connection (what the heck!)

sharpobject

kernel NULL PTR - IORING_OP_URING_CMD incompatible with IORING_SETUP_SQPOLL?

9

I started to play a bit with ring setup flags for me fuse uring implementation and with IORING_SETUP_SQPOLL I get a kernel NULL PTR, that doesn't seem to be related...

bsbernd

List of APIs of missing man page

4

- [x] io_uring_prep_link_timeout - [x] io_uring_prep_send_zc_fixed - [x] io_uring_prep_sendmsg_zc - [x] io_uring_prep_send_set_addr - [x] io_uring_prep_getxattr - [x] io_uring_prep_setxattr - [x] io_uring_prep_fgetxattr - [x] io_uring_prep_fsetxattr - [ ] io_uring_cq_eventfd_enabled - [...

heyrutvik

why io_uring_wait_cqe_nr (&ring, cqe_ptr, 10) only fill cqe_ptr[0], how to get others?

5

io_uring_wait_cqe_nr (&ring, cqe_ptr, 10) , why only fill cqe_ptr[0], cqe_ptr[1~9] is nullptr, how to get others cqe? what is the specific meaning of this function?

ghost

two threads: a thread only submits, another only peek_batch_cqe, is safety?

1

two threads, a thread only submits, another only peek_batch_cqe, is safety?

learnisgood

kjeeping tcp read latency down when everything is a short read

11

On TCP receive pretty much all my reads are going to be short consuming small messages from the network. Under epoll that isn't an issue because the data is delivered...

jnordwick

questions on fixed-buf variations other than read_fixed and write_fixed

1

### sendmsg variations: prep_sendmsg_zc and prep_sendmsg_zc_fixed 1. [x] Missing man page info: the kernel supports a prep_sendmsg_zc but there is no man page for it and the op is not...

FrankReh