[PATCH 1/2] io_uring/uring_cmd: copy SQE before issue_blocking punt

io_uring_cmd_issue_blocking() punts to io-wq without copying the SQE
off the submission queue, unlike the -EAGAIN and fallback paths. Copy
the SQE into async data before queuing the work.

Signed-off-by: Yang Xiuwei <[email protected]>
---
 io_uring/uring_cmd.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/io_uring/uring_cmd.c b/io_uring/uring_cmd.c
index 7b25dcd9d05f..fe32311b2e51 100644
--- a/io_uring/uring_cmd.c
+++ b/io_uring/uring_cmd.c
@@ -326,6 +326,10 @@ void io_uring_cmd_issue_blocking(struct io_uring_cmd *ioucmd)
 {
 	struct io_kiocb *req = cmd_to_io_kiocb(ioucmd);
 
+	if (!(req->flags & REQ_F_SQE_COPIED)) {
+		io_uring_cmd_sqe_copy(req);
+		req->flags |= REQ_F_SQE_COPIED;
+	}
 	io_req_queue_iowq(req);
 }
 
-- 
2.25.1