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[PULL 02/11] io_uring: use io_uring_cq_ready() to check for ready cqes
From: |
Stefan Hajnoczi |
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 |
From: Stefano Garzarella <sgarzare@redhat.com>
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>
---
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 = 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
- [PULL 00/11] Block patches, Stefan Hajnoczi, 2020/06/05
- [PULL 01/11] io_uring: retry io_uring_submit() if it fails with errno=EINTR, Stefan Hajnoczi, 2020/06/05
- [PULL 02/11] io_uring: use io_uring_cq_ready() to check for ready cqes,
Stefan Hajnoczi <=
- [PULL 03/11] fuzz: add datadir for oss-fuzz compatability, Stefan Hajnoczi, 2020/06/05
- [PULL 04/11] fuzz: fix typo in i440fx-qtest-reboot arguments, Stefan Hajnoczi, 2020/06/05
- [PULL 05/11] fuzz: add mangled object name to linker script, Stefan Hajnoczi, 2020/06/05
- [PULL 06/11] fuzz: run the main-loop in fork-server process, Stefan Hajnoczi, 2020/06/05
- [PULL 08/11] memory: Extract memory_region_msync() from memory_region_writeback(), Stefan Hajnoczi, 2020/06/05
- [PULL 07/11] memory: Rename memory_region_do_writeback -> memory_region_writeback, Stefan Hajnoczi, 2020/06/05
- [PULL 09/11] hw/block: Let the NVMe emulated device be target-agnostic, Stefan Hajnoczi, 2020/06/05
- [PULL 10/11] exec: Rename qemu_ram_writeback() as qemu_ram_msync(), Stefan Hajnoczi, 2020/06/05
- [PULL 11/11] block: Factor out bdrv_run_co(), Stefan Hajnoczi, 2020/06/05
- Re: [PULL 00/11] Block patches, Peter Maydell, 2020/06/05