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bh=VT8da6AO0t3JbXMrqxhySw6haON/9sHK8mDulmzRzk8=; b=Md8vlXhJi/Xv+USq8VkAd3bEXNwvkq/+z9Xlx81yd0inSLwm4rGu2fBWnabrKamN/upz7c Egtf+QZBg+hP8G2kHNtvId73g4nY1vVw2xroWsGwPXT1iU0gI+sY7cTX9HpIHd6Hw91gGq +QOszKcHoyYDaCH0ujlI6rlUBcYVOdI= X-MC-Unique: gruerc9LONKKiTe-3kXvGA-1 From: Stefan Hajnoczi To: Peter Maydell , qemu-devel@nongnu.org Subject: [PULL 02/11] io_uring: use io_uring_cq_ready() to check for ready cqes Date: Fri, 5 Jun 2020 10:47:41 +0100 Message-Id: <20200605094750.149957-3-stefanha@redhat.com> In-Reply-To: <20200605094750.149957-1-stefanha@redhat.com> References: <20200605094750.149957-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.139.110.61; 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charset="utf-8" From: 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 Message-id: 20200519134942.118178-1-sgarzare@redhat.com Signed-off-by: Stefan Hajnoczi --- 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 9765681f7c..037af09471 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 =3D opaque; - struct io_uring_cqe *cqes; =20 - if (io_uring_peek_cqe(&s->ring, &cqes) =3D=3D 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; } =20 return false; --=20 2.25.4