--- a/util-linux/mount.c
+++ b/util-linux/mount.c
-@@ -42,6 +42,10 @@
- #define MS_DIRSYNC 128 // Directory modifications are synchronous
+@@ -136,6 +136,10 @@
+ # include <rpc/pmap_clnt.h>
#endif
+#ifndef MS_UNION
#if defined(__dietlibc__)
// 16.12.2006, Sampo Kellomaki (sampo@iki.fi)
-@@ -152,6 +156,7 @@ static const int32_t mount_options[] = {
+@@ -254,6 +258,7 @@ static const int32_t mount_options[] = {
/* "rslave" */ MS_SLAVE|MS_RECURSIVE,
- /* "rprivate" */ MS_SLAVE|MS_RECURSIVE,
+ /* "rprivate" */ MS_PRIVATE|MS_RECURSIVE,
/* "runbindable" */ MS_UNBINDABLE|MS_RECURSIVE,
+ /* "union" */ MS_UNION,
)
// Always understood.
-@@ -206,6 +211,7 @@ static const char mount_option_str[] =
- "rslave\0"
- "rprivate\0"
- "runbindable\0"
-+ "union" "\0"
+@@ -310,6 +315,7 @@ static const char mount_option_str[] =
+ "make-rslave\0"
+ "make-rprivate\0"
+ "make-runbindable\0"
++ "make-union\0"
)
// Always understood.