compat_flock64
static int get_compat_flock64(struct flock *kfl, const struct compat_flock64 __user *ufl)
struct compat_flock64 fl;
if (copy_from_user(&fl, ufl, sizeof(struct compat_flock64)))
static int put_compat_flock64(const struct flock *kfl, struct compat_flock64 __user *ufl)
struct compat_flock64 fl;
memset(&fl, 0, sizeof(struct compat_flock64));
if (copy_to_user(ufl, &fl, sizeof(struct compat_flock64)))