fs: Better permission checking for submounts

[linux.git] / include / linux / mount.h

diff --git a/include/linux/mount.h b/include/linux/mount.h
index c6f55158d5e5aa086d284a454008f65b790fcfe6..8e0352af06b786fb0cccde2022af945772f5091e 100644 (file)
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -90,6 +90,9 @@ struct file_system_type;
 extern struct vfsmount *vfs_kern_mount(struct file_system_type *type,
                                      int flags, const char *name,
                                      void *data);
+extern struct vfsmount *vfs_submount(const struct dentry *mountpoint,
+                                    struct file_system_type *type,
+                                    const char *name, void *data);
 
 extern void mnt_set_expiry(struct vfsmount *mnt, struct list_head *expiry_list);
 extern void mark_mounts_for_expiry(struct list_head *mounts);