linux-kernel - [PATCH 4/4] io_submit.2: Document RWF

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Date:   Fri, 29 Sep 2023 09:37:17 +0000
From:   John Garry <john.g.garry@...cle.com>
To:     linux-kernel@...r.kernel.org, linux-api@...r.kernel.org
Cc:     martin.petersen@...cle.com, djwong@...nel.org, david@...morbit.com,
        himanshu.madhani@...cle.com, John Garry <john.g.garry@...cle.com>
Subject: [PATCH 4/4] io_submit.2: Document RWF_ATOMIC

Document RWF_ATOMIC for asynchronous I/O.

Signed-off-by: John Garry <john.g.garry@...cle.com>
---
 man2/io_submit.2 | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/man2/io_submit.2 b/man2/io_submit.2
index 1030bb6cd965..beba8865ac2a 100644
--- a/man2/io_submit.2
+++ b/man2/io_submit.2
@@ -140,6 +140,11 @@ as well the description of
 .B O_SYNC
 in
 .BR open (2).
+.TP
+.BR RWF_ATOMIC " (since Linux 6.7)"
+Write a block of data such that a write will never be
+torn from power fail or similar. See See the description
+of the flag of the same name in pwritev2(2).
 .RE
 .TP
 .I aio_lio_opcode
-- 
2.31.1