Imported from util-linux-2.10s tarball.

[thirdparty/util-linux.git] / mount / mount_constants.h

diff --git a/mount/mount_constants.h b/mount/mount_constants.h
index aeb7edfb376a30bb0a4eef8ba9be9f3ae02d4afc..5fd29082917bdd8d03717fca62cb5efbdd75ac68 100644 (file)
--- a/mount/mount_constants.h
+++ b/mount/mount_constants.h
@@ -19,12 +19,31 @@
 #ifndef MS_MANDLOCK
 #define MS_MANDLOCK    64      /* Allow mandatory locks on an FS */
 #endif
+#ifndef MS_ACTION_MASK
+#define        MS_ACTION_MASK  0x380
+/* Remount, but new filesystem may be different from old. Atomic
+   (i.e. there is no interval when nothing is mounted at the mountpoint).
+   If new fs differs from the old one and old is busy - -EBUSY. */
+#define        MS_REPLACE      0x080   /* 128 */
+/* After, Before: as soon as we get unions these will add a new member
+   in the end or beginning of the chain. Fail if there is a stack
+   on the mountpoint. */
+#define        MS_AFTER        0x100   /* 256 */
+#define        MS_BEFORE       0x180
+/* Over: if nothing mounted on a mountpoint - same as if none of these
+flags had been set; if we have a union with more than one element - fail;
+if we have a stack or plain mount - mount atop of it, forming a stack. */
+#define        MS_OVER         0x200   /* 512 */
+#endif
 #ifndef MS_NOATIME
 #define MS_NOATIME     1024    /* Do not update access times. */
 #endif
 #ifndef MS_NODIRATIME
 #define MS_NODIRATIME   2048    /* Do not update directory access times */
 #endif
+#ifndef MS_BIND
+#define        MS_BIND         4096
+#endif
 /*
  * Magic mount flag number. Has to be or-ed to the flag values.
  */