engines/io_uring: add fixedbufs support for io_uring_cmd

This patch enables fixedbufs support for io_uring_cmd. This has already
been done in t/io_uring, just do it here as well.

Signed-off-by: Anuj Gupta <anuj20.g@samsung.com>
Link: https://lore.kernel.org/r/20221003033152.314763-1-anuj20.g@samsung.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/engines/io_uring.c b/engines/io_uring.c
index d0fc61dcac394e69419b78232c86be4aa69a7fab..c679177fb4765cd4cdf4777588af77f7d0794e5c 100644 (file)
--- a/engines/io_uring.c
+++ b/engines/io_uring.c
@@ -433,6 +433,10 @@ static int fio_ioring_cmd_prep(struct thread_data *td, struct io_u *io_u)
                ld->prepped = 0;
                sqe->flags |= IOSQE_ASYNC;
        }
+       if (o->fixedbufs) {
+               sqe->uring_cmd_flags = IORING_URING_CMD_FIXED;
+               sqe->buf_index = io_u->index;
+       }
 
        cmd = (struct nvme_uring_cmd *)sqe->cmd;
        return fio_nvme_uring_cmd_prep(cmd, io_u,