linux-kernel - [PATCH 1/2] uapi: fcntl: guard AT_RENAME

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Message-ID: <20251109071304.2415982-2-nogunix@gmail.com>
Date: Sun,  9 Nov 2025 16:13:03 +0900
From: Masaharu Noguchi <nogunix@...il.com>
To: jesperjuhl76@...il.com,
	Jeff Layton <jlayton@...nel.org>,
	Chuck Lever <chuck.lever@...cle.com>
Cc: Alexander Aring <alex.aring@...il.com>,
	linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Masaharu Noguchi <nogunix@...il.com>
Subject: [PATCH 1/2] uapi: fcntl: guard AT_RENAME_* aliases

Signed-off-by: Masaharu Noguchi <nogunix@...il.com>
---
 include/uapi/linux/fcntl.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/uapi/linux/fcntl.h b/include/uapi/linux/fcntl.h
index 3741ea1b73d8..e3026381fbe7 100644
--- a/include/uapi/linux/fcntl.h
+++ b/include/uapi/linux/fcntl.h
@@ -157,9 +157,15 @@
  */
 
 /* Flags for renameat2(2) (must match legacy RENAME_* flags). */
+#ifndef AT_RENAME_NOREPLACE
 #define AT_RENAME_NOREPLACE	0x0001
+#endif
+#ifndef AT_RENAME_EXCHANGE
 #define AT_RENAME_EXCHANGE	0x0002
+#endif
+#ifndef AT_RENAME_WHITEOUT
 #define AT_RENAME_WHITEOUT	0x0004
+#endif
 
 /* Flag for faccessat(2). */
 #define AT_EACCESS		0x200	/* Test access permitted for
-- 
2.51.1