[PATCH v2 18/24] io_uring: split slow path from io_queue_sqe

[Pavel Begunkov <asml.silence@xxxxxxxxx>]

We don't want the slow path of io_queue_sqe to be inlined, so extract a
function from it.

   text    data     bss     dec     hex filename
  91950   13986       8  105944   19dd8 ./fs/io_uring.o
  91758   13986       8  105752   19d18 ./fs/io_uring.o

Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx>
---
 fs/io_uring.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 25f6096269c5..54910ed86493 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -6943,12 +6943,10 @@ static void __io_queue_sqe(struct io_kiocb *req)
 	}
 }
 
-static inline void io_queue_sqe(struct io_kiocb *req)
+static void io_queue_sqe_fallback(struct io_kiocb *req)
 	__must_hold(&req->ctx->uring_lock)
 {
-	if (likely(!(req->flags & (REQ_F_FORCE_ASYNC | REQ_F_FAIL)))) {
-		__io_queue_sqe(req);
-	} else if (req->flags & REQ_F_FAIL) {
+	if (req->flags & REQ_F_FAIL) {
 		io_req_complete_fail_submit(req);
 	} else if (unlikely(req->ctx->drain_active) && io_drain_req(req)) {
 		return;
@@ -6962,6 +6960,15 @@ static inline void io_queue_sqe(struct io_kiocb *req)
 	}
 }
 
+static inline void io_queue_sqe(struct io_kiocb *req)
+	__must_hold(&req->ctx->uring_lock)
+{
+	if (likely(!(req->flags & (REQ_F_FORCE_ASYNC | REQ_F_FAIL))))
+		__io_queue_sqe(req);
+	else
+		io_queue_sqe_fallback(req);
+}
+
 /*
  * Check SQE restrictions (opcode and flags).
  *
-- 
2.33.0