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-rw-r--r--include/linux/mount.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/mount.h b/include/linux/mount.h
index b7472ae91fa..403d1a97c51 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -17,12 +17,19 @@
#include <linux/spinlock.h>
#include <asm/atomic.h>
+struct super_block;
+struct vfsmount;
+struct dentry;
+struct namespace;
+
#define MNT_NOSUID 0x01
#define MNT_NODEV 0x02
#define MNT_NOEXEC 0x04
#define MNT_NOATIME 0x08
#define MNT_NODIRATIME 0x10
+#define MNT_SHRINKABLE 0x100
+
#define MNT_SHARED 0x1000 /* if the vfsmount is a shared mount */
#define MNT_UNBINDABLE 0x2000 /* if the vfsmount is a unbindable mount */
#define MNT_PNODE_MASK 0x3000 /* propogation flag mask */
@@ -73,12 +80,18 @@ extern struct vfsmount *alloc_vfsmnt(const char *name);
extern struct vfsmount *do_kern_mount(const char *fstype, int flags,
const char *name, void *data);
+struct file_system_type;
+extern struct vfsmount *vfs_kern_mount(struct file_system_type *type,
+ int flags, const char *name,
+ void *data);
+
struct nameidata;
extern int do_add_mount(struct vfsmount *newmnt, struct nameidata *nd,
int mnt_flags, struct list_head *fslist);
extern void mark_mounts_for_expiry(struct list_head *mounts);
+extern void shrink_submounts(struct vfsmount *mountpoint, struct list_head *mounts);
extern spinlock_t vfsmount_lock;
extern dev_t name_to_dev_t(char *name);