Hi Jens, In the "io_uring: add support for IORING_OP_IOCTL" thread I wrote this: > I could use also use a generic way for an async fd-based syscall. > I thought about using sendmsg() with special CMSG_ elements, but > currently it's not possible with IORING_OP_SENDMSG to do an async > io_kiocb based completion, using msg_iocb. I just noticed that __sys_sendmsg_sock doesn't allow msg->msg_control || msg->msg_controllen. Why is that the case? I could use that in several places for my smbdirect driver. Optionally turning on msg_iocb usage would also be great, I'd use that in combination with MSG_OOB and CMSG_ and this OOB message is not ordered like the typical sendmsg stream socket flow. Do you think we can add support for this usecase? Thanks! metze
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