diff options
| author | Jens Axboe <axboe@kernel.dk> | 2019-04-19 13:38:09 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-07-09 14:32:14 -0600 |
| commit | aa1fa28fc73ea6b740ee7b62bf3b07141883dbb8 (patch) | |
| tree | 85963ae2cf72deda9bea41efd9492c94e9344b8b /include/uapi | |
| parent | 0fa03c624d8fc9932d0f27c39a9deca6a37e0e17 (diff) | |
io_uring: add support for recvmsg()
This is done through IORING_OP_RECVMSG. This opcode uses the same
sqe->msg_flags that IORING_OP_SENDMSG added, and we pass in the
msghdr struct in the sqe->addr field as well.
We use MSG_DONTWAIT to force an inline fast path if recvmsg() doesn't
block, and punt to async execution if it would have.
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/io_uring.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h index d74742d6269f..1e1652f25cc1 100644 --- a/include/uapi/linux/io_uring.h +++ b/include/uapi/linux/io_uring.h @@ -60,6 +60,7 @@ struct io_uring_sqe { #define IORING_OP_POLL_REMOVE 7 #define IORING_OP_SYNC_FILE_RANGE 8 #define IORING_OP_SENDMSG 9 +#define IORING_OP_RECVMSG 10 /* * sqe->fsync_flags |