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io_uring: keep sendrecv flags in ioprio

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We waste a u64 SQE field for flags even though we don't need as many
bits and it can be used for something more useful later. Store io_uring
specific send/recv flags in sqe->ioprio instead of ->addr2.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Fixes: 0455d4ccec ("io_uring: add POLL_FIRST support for send/sendmsg and recv/recvmsg")
[axboe: change comment in io_uring.h as well]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2022-06-30 13:25:57 +01:00 • committed by Jens Axboe
parent 386e4fb696
commit 29c1ac230e
2 changed files with 9 additions and 5 deletions
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2
include/uapi/linux/io_uring.h
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@ -244,7 +244,7 @@ enum io_uring_op {
#define IORING_ASYNC_CANCEL_ANY (1U << 2)
/*
* send/sendmsg and recv/recvmsg flags (sqe->addr2)
* send/sendmsg and recv/recvmsg flags (sqe->ioprio)
*
* IORING_RECVSEND_POLL_FIRST If set, instead of first attempting to send
* or receive and arm poll if that yields an