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io_uring: use io_uring_cq_ready() to check for ready cqes 

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 <sgarzare@redhat.com>
Message-id: 20200519134942.118178-1-sgarzare@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefano Garzarella 2020-05-19 15:49:42 +02:00 committed by Stefan Hajnoczi
parent b4e44c9944
commit 769335ecb1
1 changed files with 3 additions and 6 deletions
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9
block/io_uring.c
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@ -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;