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[1/2] lapi/io_uring.h: Define constants that may be missing

Message ID 20210217120459.17500-1-mdoucha@suse.cz
State Accepted
Headers show
Series [1/2] lapi/io_uring.h: Define constants that may be missing | expand

Commit Message

Martin Doucha Feb. 17, 2021, 12:04 p.m. UTC 
Early liburing headers did not include IOSQE_ASYNC and IOSQE_IO_HARDLINK.
Check for their presence separately even if the system header file is present
and define them if needed.

Signed-off-by: Martin Doucha <mdoucha@suse.cz>
---
 include/lapi/io_uring.h | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/include/lapi/io_uring.h b/include/lapi/io_uring.h
index 9d280f155..897ed7c64 100644
--- a/include/lapi/io_uring.h
+++ b/include/lapi/io_uring.h
@@ -71,8 +71,6 @@  enum {
 	IOSQE_FIXED_FILE_BIT,
 	IOSQE_IO_DRAIN_BIT,
 	IOSQE_IO_LINK_BIT,
-	IOSQE_IO_HARDLINK_BIT,
-	IOSQE_ASYNC_BIT,
 };
 
 /*
@@ -84,10 +82,6 @@  enum {
 #define IOSQE_IO_DRAIN		(1U << IOSQE_IO_DRAIN_BIT)
 /* links next sqe */
 #define IOSQE_IO_LINK		(1U << IOSQE_IO_LINK_BIT)
-/* like LINK, but stronger */
-#define IOSQE_IO_HARDLINK	(1U << IOSQE_IO_HARDLINK_BIT)
-/* always go async */
-#define IOSQE_ASYNC		(1U << IOSQE_ASYNC_BIT)
 
 /*
  * io_uring_setup() flags
@@ -262,6 +256,17 @@  struct io_uring_probe {
 
 #endif /* IOSQE_FIXED_FILE */
 
+#ifndef IOSQE_IO_HADRLINK
+/* like LINK, but stronger */
+#define IOSQE_IO_HARDLINK_BIT	3
+#define IOSQE_IO_HARDLINK	(1U << IOSQE_IO_HARDLINK_BIT)
+#endif /* IOSQE_IO_HADRLINK */
+
+#ifndef IOSQE_ASYNC
+/* always go async */
+#define IOSQE_ASYNC_BIT		4
+#define IOSQE_ASYNC		(1U << IOSQE_ASYNC_BIT)
+#endif /* IOSQE_ASYNC */
 
 #ifndef HAVE_IO_URING_REGISTER
 static inline int io_uring_register(int fd, unsigned int opcode, void *arg,