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-rw-r--r--include/sys/mount.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/sys/mount.h b/include/sys/mount.h
index b30554987..57d440f27 100644
--- a/include/sys/mount.h
+++ b/include/sys/mount.h
@@ -96,8 +96,12 @@ enum
/* Possible value for FLAGS parameter of `umount2'. */
enum
{
- MNT_FORCE = 1 /* Force unmounting. */
+ MNT_FORCE = 1, /* Force unmounting. */
#define MNT_FORCE MNT_FORCE
+ MNT_DETACH = 2, /* Just detach from the tree. */
+#define MNT_DETACH MNT_DETACH
+ MNT_EXPIRE = 4 /* Mark for expiry. */
+#define MNT_EXPIRE MNT_EXPIRE
};