[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20200716124833.93667-2-sgarzare@redhat.com>
Date: Thu, 16 Jul 2020 14:48:31 +0200
From: Stefano Garzarella <sgarzare@...hat.com>
To: Jens Axboe <axboe@...nel.dk>
Cc: Alexander Viro <viro@...iv.linux.org.uk>,
Kernel Hardening <kernel-hardening@...ts.openwall.com>,
Kees Cook <keescook@...omium.org>,
Aleksa Sarai <asarai@...e.de>,
Stefan Hajnoczi <stefanha@...hat.com>,
Christian Brauner <christian.brauner@...ntu.com>,
Sargun Dhillon <sargun@...gun.me>,
Jann Horn <jannh@...gle.com>,
io-uring@...r.kernel.org,
linux-fsdevel@...r.kernel.org,
Jeff Moyer <jmoyer@...hat.com>,
linux-kernel@...r.kernel.org
Subject: [PATCH RFC v2 1/3] io_uring: use an enumeration for io_uring_register(2) opcodes
The enumeration allows us to keep track of the last
io_uring_register(2) opcode available.
Behaviour and opcodes names don't change.
Signed-off-by: Stefano Garzarella <sgarzare@...hat.com>
---
include/uapi/linux/io_uring.h | 27 ++++++++++++++++-----------
1 file changed, 16 insertions(+), 11 deletions(-)
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h
index 7843742b8b74..efc50bd0af34 100644
--- a/include/uapi/linux/io_uring.h
+++ b/include/uapi/linux/io_uring.h
@@ -253,17 +253,22 @@ struct io_uring_params {
/*
* io_uring_register(2) opcodes and arguments
*/
-#define IORING_REGISTER_BUFFERS 0
-#define IORING_UNREGISTER_BUFFERS 1
-#define IORING_REGISTER_FILES 2
-#define IORING_UNREGISTER_FILES 3
-#define IORING_REGISTER_EVENTFD 4
-#define IORING_UNREGISTER_EVENTFD 5
-#define IORING_REGISTER_FILES_UPDATE 6
-#define IORING_REGISTER_EVENTFD_ASYNC 7
-#define IORING_REGISTER_PROBE 8
-#define IORING_REGISTER_PERSONALITY 9
-#define IORING_UNREGISTER_PERSONALITY 10
+enum {
+ IORING_REGISTER_BUFFERS,
+ IORING_UNREGISTER_BUFFERS,
+ IORING_REGISTER_FILES,
+ IORING_UNREGISTER_FILES,
+ IORING_REGISTER_EVENTFD,
+ IORING_UNREGISTER_EVENTFD,
+ IORING_REGISTER_FILES_UPDATE,
+ IORING_REGISTER_EVENTFD_ASYNC,
+ IORING_REGISTER_PROBE,
+ IORING_REGISTER_PERSONALITY,
+ IORING_UNREGISTER_PERSONALITY,
+
+ /* this goes last */
+ IORING_REGISTER_LAST
+};
struct io_uring_files_update {
__u32 offset;
--
2.26.2
Powered by blists - more mailing lists
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
