io_uring/rw: add separate prep handler for fixed read/write

Rather than sprinkle opcode checks in the generic read/write prep handler,
have a separate prep handler for the vectored readv/writev operation.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 1 insertions, 0 deletions

diff --git a/io_uring/rw.h b/io_uring/rw.h
index 32aa7937513a..f9e89b4fe4da 100644
--- a/io_uring/rw.h
+++ b/io_uring/rw.h
@@ -17,6 +17,7 @@ struct io_async_rw {
 
 int io_prep_rw(struct io_kiocb *req, const struct io_uring_sqe *sqe);
 int io_prep_rwv(struct io_kiocb *req, const struct io_uring_sqe *sqe);
+int io_prep_rw_fixed(struct io_kiocb *req, const struct io_uring_sqe *sqe);
 int io_read(struct io_kiocb *req, unsigned int issue_flags);
 int io_readv_prep_async(struct io_kiocb *req);
 int io_write(struct io_kiocb *req, unsigned int issue_flags);