io_uring: optimise io_req_find_next() fast check

[linux-2.6-microblaze.git] / fs / io_uring.c

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 82b3594..9a43847 100644 (file)
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -1664,12 +1664,9 @@ static void io_fail_links(struct io_kiocb *req)
        io_cqring_ev_posted(ctx);
 }
 
-static struct io_kiocb *io_req_find_next(struct io_kiocb *req)
+static struct io_kiocb *__io_req_find_next(struct io_kiocb *req)
 {
-       if (likely(!(req->flags & REQ_F_LINK_HEAD)))
-               return NULL;
        req->flags &= ~REQ_F_LINK_HEAD;
-
        if (req->flags & REQ_F_LINK_TIMEOUT)
                io_kill_linked_timeout(req);
 
@@ -1685,6 +1682,13 @@ static struct io_kiocb *io_req_find_next(struct io_kiocb *req)
        return NULL;
 }
 
+static struct io_kiocb *io_req_find_next(struct io_kiocb *req)
+{
+       if (likely(!(req->flags & REQ_F_LINK_HEAD)))
+               return NULL;
+       return __io_req_find_next(req);
+}
+
 static void __io_req_task_cancel(struct io_kiocb *req, int error)
 {
        struct io_ring_ctx *ctx = req->ctx;