lease_modify
EXPORT_SYMBOL(lease_modify);
lease_modify(fl, F_RDLCK, dispose);
lease_modify(fl, F_UNLCK, dispose);
lease_modify(fl, F_UNLCK, &dispose);
.lm_change = lease_modify,
return lease_modify(onlist, arg, dispose);
return lease_modify(onlist, arg, dispose);
int lease_modify(struct file_lease *, int, struct list_head *);