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From: Pavel Begunkov <[email protected]>
To: [email protected]
Cc: Jens Axboe <[email protected]>, [email protected]
Subject: [PATCH liburing 1/3] io_uring: update headers with IORING_SETUP_SINGLE_ISSUER
Date: Tue, 14 Jun 2022 15:36:31 +0100	[thread overview]
Message-ID: <b5e78497efd3a50bcc75f5d9aab1992375952c93.1655213733.git.asml.silence@gmail.com> (raw)
In-Reply-To: <[email protected]>

Signed-off-by: Pavel Begunkov <[email protected]>
---
 src/include/liburing/io_uring.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/include/liburing/io_uring.h b/src/include/liburing/io_uring.h
index 15d9fbd..ee6ccc9 100644
--- a/src/include/liburing/io_uring.h
+++ b/src/include/liburing/io_uring.h
@@ -137,9 +137,12 @@ enum {
  * IORING_SQ_TASKRUN in the sq ring flags. Not valid with COOP_TASKRUN.
  */
 #define IORING_SETUP_TASKRUN_FLAG	(1U << 9)
-
 #define IORING_SETUP_SQE128		(1U << 10) /* SQEs are 128 byte */
 #define IORING_SETUP_CQE32		(1U << 11) /* CQEs are 32 byte */
+/*
+ * Only one task is allowed to submit requests
+ */
+#define IORING_SETUP_SINGLE_ISSUER	(1U << 12)
 
 enum io_uring_op {
 	IORING_OP_NOP,
-- 
2.36.1



  reply	other threads:[~2022-06-14 14:37 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-14 14:36 [PATCH liburing 0/3] single-issuer and poll benchmark Pavel Begunkov
2022-06-14 14:36 ` Pavel Begunkov [this message]
2022-06-14 14:36 ` [PATCH liburing 2/3] examples: add a simple single-shot " Pavel Begunkov
2022-06-14 14:57   ` Ammar Faizi
2022-06-14 15:05     ` Pavel Begunkov
2022-06-14 14:36 ` [PATCH liburing 3/3] tests: test IORING_SETUP_SINGLE_ISSUER Pavel Begunkov

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