[PATCH] engines/io_uring: add fixedbufs support for io_uring_cmd

[Anuj Gupta <anuj20.g@xxxxxxxxxxx>]

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@xxxxxxxxxxx>
---
 engines/io_uring.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/engines/io_uring.c b/engines/io_uring.c
index d0fc61dc..c679177f 100644
--- 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,
-- 
2.25.1