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From: Pavel Begunkov <[email protected]>
To: [email protected]
Cc: Jens Axboe <[email protected]>, [email protected]
Subject: [PATCH liburing 1/2] Add io_uring_prep_msg_ring_fd_alloc() helper
Date: Thu, 16 Mar 2023 13:09:20 +0000	[thread overview]
Message-ID: <9237f9399e4d8fcc9c8c1996905168138f99d2b3.1678968783.git.asml.silence@gmail.com> (raw)
In-Reply-To: <[email protected]>

Add a helper initialising msg-ring requests transferring files and
allocating a target file index.

Signed-off-by: Pavel Begunkov <[email protected]>
---
 src/include/liburing.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/include/liburing.h b/src/include/liburing.h
index bf48141..0848cf0 100644
--- a/src/include/liburing.h
+++ b/src/include/liburing.h
@@ -1015,6 +1015,15 @@ IOURINGINLINE void io_uring_prep_msg_ring_fd(struct io_uring_sqe *sqe, int fd,
 	sqe->msg_ring_flags = flags;
 }
 
+IOURINGINLINE void io_uring_prep_msg_ring_fd_alloc(struct io_uring_sqe *sqe,
+						   int fd, int source_fd,
+						   __u64 data, unsigned int flags)
+{
+	io_uring_prep_msg_ring_fd(sqe, fd, source_fd,
+				  IORING_FILE_INDEX_ALLOC - 1,
+				  data, flags);
+}
+
 IOURINGINLINE void io_uring_prep_getxattr(struct io_uring_sqe *sqe,
 					  const char *name, char *value,
 					  const char *path, unsigned int len)
-- 
2.39.1


  reply	other threads:[~2023-03-16 13:10 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-16 13:09 [PATCH liburing for-next 0/2] fd msg-ring slot allocation tests Pavel Begunkov
2023-03-16 13:09 ` Pavel Begunkov [this message]
2023-03-16 15:01   ` [PATCH liburing 1/2] Add io_uring_prep_msg_ring_fd_alloc() helper Jens Axboe
2023-03-16 13:09 ` [PATCH liburing 2/2] test: test fd msg-ring allocating indexes Pavel Begunkov
2023-03-16 15:02 ` [PATCH liburing for-next 0/2] fd msg-ring slot allocation tests Jens Axboe

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