diff mbox series

lapi/io_uring.h: Optimization io_uring_setup_supported_by_kernel()

Message ID 20220916015948.156798-1-zhaogongyi@huawei.com
State Accepted
Headers show
Series lapi/io_uring.h: Optimization io_uring_setup_supported_by_kernel() | expand

Commit Message

Zhao Gongyi Sept. 16, 2022, 1:59 a.m. UTC 
Optimization function io_uring_setup_supported_by_kernel() when
CONFIG_IO_URING is not set.

Signed-off-by: Zhao Gongyi <zhaogongyi@huawei.com>
---
 include/lapi/io_uring.h | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

--
2.17.1

Comments

Cyril Hrubis Sept. 16, 2022, 9:36 a.m. UTC | #1 
Hi!
Pushed, thanks.
diff mbox series

Patch

diff --git a/include/lapi/io_uring.h b/include/lapi/io_uring.h
index 397324511..24e57b069 100644
--- a/include/lapi/io_uring.h
+++ b/include/lapi/io_uring.h
@@ -297,13 +297,18 @@  static inline int io_uring_enter(int fd, unsigned int to_submit,
 static inline void io_uring_setup_supported_by_kernel(void)
 {
 	long ret;
-	if ((tst_kvercmp(5, 1, 0)) < 0) {
-		ret = syscall(__NR_io_uring_setup, NULL, 0);
-		if (ret != -1)
-			SAFE_CLOSE(ret);
-		else if (errno == ENOSYS)
+	ret = syscall(__NR_io_uring_setup, NULL, 0);
+	if (ret != -1) {
+		SAFE_CLOSE(ret);
+		return
+	}
+
+	if (errno == ENOSYS) {
+		if ((tst_kvercmp(5, 1, 0)) < 0) {
 			tst_brk(TCONF,
 				"Test not supported on kernel version < v5.1");
+		}
+		tst_brk(TCONF, "CONFIG_IO_URING not set?");
 	}
 }