[PATCH] introduce shared mounts

[safe/jmp/linux-2.6] / include / linux / mount.h

diff --git a/include/linux/mount.h b/include/linux/mount.h
index 8eadd3b..2582559 100644 (file)
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -20,6 +20,7 @@
 #define MNT_NOSUID     0x01
 #define MNT_NODEV      0x02
 #define MNT_NOEXEC     0x04
+#define MNT_SHARED     0x10    /* if the vfsmount is a shared mount */
 #define MNT_PNODE_MASK 0x30    /* propogation flag mask */
 
 struct vfsmount {
@@ -36,6 +37,7 @@ struct vfsmount {
        char *mnt_devname;              /* Name of device e.g. /dev/dsk/hda1 */
        struct list_head mnt_list;
        struct list_head mnt_expire;    /* link in fs-specific expiry list */
+       struct list_head mnt_share;     /* circular list of shared mounts */
        struct namespace *mnt_namespace; /* containing namespace */
        int mnt_pinned;
 };