busybox: add support for union mounts (not included in the kernel yet)

SVN-Revision: 17724
This commit is contained in:
Felix Fietkau 2009-09-25 20:46:51 +00:00
parent 77fc4ffcc7
commit 4b396d147d

View file

@ -0,0 +1,29 @@
--- a/util-linux/mount.c
+++ b/util-linux/mount.c
@@ -42,6 +42,10 @@
#define MS_DIRSYNC 128 /* Directory modifications are synchronous */
#endif
+#ifndef MS_UNION
+#define MS_UNION 0x100 /* 256: Mount on top of a union */
+#endif
+
#if defined(__dietlibc__)
/* 16.12.2006, Sampo Kellomaki (sampo@iki.fi)
@@ -152,6 +156,7 @@
/* "rslave" */ MS_SLAVE|MS_RECURSIVE,
/* "rprivate" */ MS_SLAVE|MS_RECURSIVE,
/* "runbindable" */ MS_UNBINDABLE|MS_RECURSIVE,
+ /* "union" */ MS_UNION,
)
// Always understood.
@@ -206,6 +211,7 @@
"rslave" "\0"
"rprivate" "\0"
"runbindable" "\0"
+ "union" "\0"
)
// Always understood.