From: Romain Naour <romain.naour@smile.fr>
Date: Fri, 7 Jan 2022 21:25:23 +0000 (+0100)
Subject: missing-syscall: define MOVE_MOUNT_T_EMPTY_PATH if missing
X-Git-Tag: v251-rc1~25
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=608c3b0293cac3cbb037b2d15c0a0f1e247eb71e;p=thirdparty%2Fsystemd.git

missing-syscall: define MOVE_MOUNT_T_EMPTY_PATH if missing

MOVE_MOUNT_T_EMPTY_PATH has been added to systemd 250 by [1]
but it's defined in kernel headers since version 5.2.

[1] c7bf079bbc19e3b409acc0c7acc3e14749211fe2
---

diff --git a/src/basic/missing_syscall.h b/src/basic/missing_syscall.h
index 8267b1a90c1..793d111c55c 100644
--- a/src/basic/missing_syscall.h
+++ b/src/basic/missing_syscall.h
@@ -569,6 +569,10 @@ static inline int missing_open_tree(
 #define MOVE_MOUNT_F_EMPTY_PATH 0x00000004 /* Empty from path permitted */
 #endif
 
+#ifndef MOVE_MOUNT_T_EMPTY_PATH
+#define MOVE_MOUNT_T_EMPTY_PATH 0x00000040 /* Empty to path permitted */
+#endif
+
 static inline int missing_move_mount(
                 int from_dfd,
                 const char *from_pathname,