gnet_stats_start_copy — start dumping procedure in compatibility mode
int gnet_stats_start_copy
(struct sk_buff * skb, int type, spinlock_t * lock, struct gnet_dump * d);
socket buffer to put statistics TLVs into
TLV type for top level statistic TLV
statistics lock
dumping handle
Initializes the dumping handle, grabs the statistic lock and appends an empty TLV header to the socket buffer for use a container for all other statistic TLVS.
Returns 0 on success or -1 if the room in the socket buffer was not sufficient.