[PATCH] io_uring: use io_uring_cq_ready() to check for ready cqes

[Stefano Garzarella]

In qemu_luring_poll_cb() we are not using the cqe peeked from the
CQ ring. We are using io_uring_peek_cqe() only to see if there
are cqes ready, so we can replace it with io_uring_cq_ready().

Signed-off-by: Stefano Garzarella <address@hidden>
---
 block/io_uring.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/block/io_uring.c b/block/io_uring.c
index a3142ca989..bdf3dec3a1 100644
--- a/block/io_uring.c
+++ b/block/io_uring.c
@@ -277,13 +277,10 @@ static void qemu_luring_completion_cb(void *opaque)
 static bool qemu_luring_poll_cb(void *opaque)
 {
     LuringState *s = opaque;
-    struct io_uring_cqe *cqes;
 
-    if (io_uring_peek_cqe(&s->ring, &cqes) == 0) {
-        if (cqes) {
-            luring_process_completions_and_submit(s);
-            return true;
-        }
+    if (io_uring_cq_ready(&s->ring)) {
+        luring_process_completions_and_submit(s);
+        return true;
     }
 
     return false;
-- 
2.25.4