diff mbox series

[liburing,3/3] io_uring_enter.2: document IORING_RECVSEND_FIXED_BUF

Message ID 2075ca0ba4b2e8bf11cc16131e09ab5136953155.1666357688.git.asml.silence@gmail.com (mailing list archive)
State New
Headers show
Series improve sendzc man pages | expand

Commit Message

Pavel Begunkov Oct. 21, 2022, 1:11 p.m. UTC 
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
---
 man/io_uring_enter.2 | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/man/io_uring_enter.2 b/man/io_uring_enter.2
index d98ae59..2a8705f 100644
--- a/man/io_uring_enter.2
+++ b/man/io_uring_enter.2
@@ -1231,6 +1231,12 @@  This initial send attempt can be wasteful for the case where the socket
 is expected to be full, setting this flag will bypass the initial send
 attempt and go straight to arming poll. If poll does indicate that data can
 be sent, the operation will proceed.
+
+.B IORING_RECVSEND_FIXED_BUF
+instructs to use a pre-mapped buffer. If set, the
+.I buf_index
+field should contain an index into an array of fixed buffers. See
+io_uring_register(2) for details on how to setup a context for fixed buffer I/O.
 .EE
 .in
 .PP