* [LTP] [PATCH] lapi/io_uring.h: Optimization io_uring_setup_supported_by_kernel()
@ 2022-09-16 1:59 Zhao Gongyi via ltp
2022-09-16 9:36 ` Cyril Hrubis
0 siblings, 1 reply; 2+ messages in thread
From: Zhao Gongyi via ltp @ 2022-09-16 1:59 UTC (permalink / raw)
To: ltp
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(-)
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?");
}
}
--
2.17.1
--
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2022-09-16 1:59 [LTP] [PATCH] lapi/io_uring.h: Optimization io_uring_setup_supported_by_kernel() Zhao Gongyi via ltp
2022-09-16 9:36 ` Cyril Hrubis
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