[ACKVEC]: Reduce length of identifiers

This is reduces the length of the struct ackvec/ackvec_record fields. It is
a purely text-based replacement:

	s#dccpavr_#avr_#g;
	s#dccpav_#av_#g;

and increases readability somewhat.
Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/dccp/ackvec.h

@@ -32,54 +32,54 @@
  *
  * This data structure is the one defined in RFC 4340, Appendix A.
  *
- * @dccpav_buf_head - circular buffer head
- * @dccpav_buf_tail - circular buffer tail
- * @dccpav_buf_ackno - ack # of the most recent packet acknowledgeable in the
- * 		       buffer (i.e. %dccpav_buf_head)
- * @dccpav_buf_nonce - the one-bit sum of the ECN Nonces on all packets acked
+ * @av_buf_head - circular buffer head
+ * @av_buf_tail - circular buffer tail
+ * @av_buf_ackno - ack # of the most recent packet acknowledgeable in the
+ *		       buffer (i.e. %av_buf_head)
+ * @av_buf_nonce - the one-bit sum of the ECN Nonces on all packets acked
  * 		       by the buffer with State 0
  *
  * Additionally, the HC-Receiver must keep some information about the
  * Ack Vectors it has recently sent. For each packet sent carrying an
  * Ack Vector, it remembers four variables:
  *
- * @dccpav_records - list of dccp_ackvec_record
- * @dccpav_ack_nonce - the one-bit sum of the ECN Nonces for all State 0.
+ * @av_records - list of dccp_ackvec_record
+ * @av_ack_nonce - the one-bit sum of the ECN Nonces for all State 0.
  *
- * @dccpav_time		- the time in usecs
- * @dccpav_buf - circular buffer of acknowledgeable packets
+ * @av_time - the time in usecs
+ * @av_buf - circular buffer of acknowledgeable packets
  */
 struct dccp_ackvec {
-	u64		dccpav_buf_ackno;
-	struct list_head dccpav_records;
-	ktime_t		dccpav_time;
-	u16		dccpav_buf_head;
-	u16		dccpav_vec_len;
-	u8		dccpav_buf_nonce;
-	u8		dccpav_ack_nonce;
-	u8		dccpav_buf[DCCP_MAX_ACKVEC_LEN];
+	u64			av_buf_ackno;
+	struct list_head	av_records;
+	ktime_t			av_time;
+	u16			av_buf_head;
+	u16			av_vec_len;
+	u8			av_buf_nonce;
+	u8			av_ack_nonce;
+	u8			av_buf[DCCP_MAX_ACKVEC_LEN];
 };
 
 /** struct dccp_ackvec_record - ack vector record
  *
  * ACK vector record as defined in Appendix A of spec.
  *
- * The list is sorted by dccpavr_ack_seqno
+ * The list is sorted by avr_ack_seqno
  *
- * @dccpavr_node - node in dccpav_records
- * @dccpavr_ack_seqno - sequence number of the packet this record was sent on
- * @dccpavr_ack_ackno - sequence number being acknowledged
- * @dccpavr_ack_ptr - pointer into dccpav_buf where this record starts
- * @dccpavr_ack_nonce - dccpav_ack_nonce at the time this record was sent
- * @dccpavr_sent_len - length of the record in dccpav_buf
+ * @avr_node - node in av_records
+ * @avr_ack_seqno - sequence number of the packet this record was sent on
+ * @avr_ack_ackno - sequence number being acknowledged
+ * @avr_ack_ptr - pointer into av_buf where this record starts
+ * @avr_ack_nonce - av_ack_nonce at the time this record was sent
+ * @avr_sent_len - lenght of the record in av_buf
  */
 struct dccp_ackvec_record {
-	struct list_head dccpavr_node;
-	u64		 dccpavr_ack_seqno;
-	u64		 dccpavr_ack_ackno;
-	u16		 dccpavr_ack_ptr;
-	u16		 dccpavr_sent_len;
-	u8		 dccpavr_ack_nonce;
+	struct list_head avr_node;
+	u64		 avr_ack_seqno;
+	u64		 avr_ack_ackno;
+	u16		 avr_ack_ptr;
+	u16		 avr_sent_len;
+	u8		 avr_ack_nonce;
 };
 
 struct sock;
@@ -105,7 +105,7 @@ extern int dccp_insert_option_ackvec(struct sock *sk, struct sk_buff *skb);
 
 static inline int dccp_ackvec_pending(const struct dccp_ackvec *av)
 {
-	return av->dccpav_vec_len;
+	return av->av_vec_len;
 }
 #else /* CONFIG_IP_DCCP_ACKVEC */
 static inline int dccp_ackvec_init(void)