vfs_kern_mount
mnt = vfs_kern_mount(&internal_fs_type, 0, "devtmpfs", opts);
mnt = vfs_kern_mount(type, SB_KERNMOUNT, type->name, NULL);
EXPORT_SYMBOL_GPL(vfs_kern_mount);
nullfs_mnt = vfs_kern_mount(&nullfs_fs_type, 0, "nullfs", NULL);
mnt = vfs_kern_mount(&rootfs_fs_type, 0, "rootfs", initramfs_options);
mnt = vfs_kern_mount(type, SB_KERNMOUNT, type->name, NULL);
ss_mnt = vfs_kern_mount(type, SB_KERNMOUNT, dev_name, raw_data);
extern struct vfsmount *vfs_kern_mount(struct file_system_type *type,