redonkable/remarkable-linux
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tipc: Optimize message initialization routine

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This patch eliminates the rarely-used "error code" argument
when initializing a TIPC message header, since the default
value of zero is the desired result in most cases; the few
exceptional cases now set the error code explicitly.

Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Allan Stephens 2008-06-04 17:37:34 -07:00 committed by David S. Miller
parent 9c396a7bfb
commit 7571521756
7 changed files with 16 additions and 18 deletions
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2
net/tipc/bcast.c
View file

@ -276,7 +276,7 @@ static void bclink_send_nack(struct node *n_ptr)
if (buf) {
msg = buf_msg(buf);
msg_init(msg, BCAST_PROTOCOL, STATE_MSG,
TIPC_OK, INT_H_SIZE, n_ptr->addr);
INT_H_SIZE, n_ptr->addr);
msg_set_mc_netid(msg, tipc_net_id);
msg_set_bcast_ack(msg, mod(n_ptr->bclink.last_in));
msg_set_bcgap_after(msg, n_ptr->bclink.gap_after);

2
net/tipc/cluster.c
View file

@ -238,7 +238,7 @@ static struct sk_buff *tipc_cltr_prepare_routing_msg(u32 data_size, u32 dest)
if (buf) {
msg = buf_msg(buf);
memset((char *)msg, 0, size);
msg_init(msg, ROUTE_DISTRIBUTOR, 0, TIPC_OK, INT_H_SIZE, dest);
msg_init(msg, ROUTE_DISTRIBUTOR, 0, INT_H_SIZE, dest);
}
return buf;
}

3
net/tipc/discover.c
View file

@ -120,8 +120,7 @@ static struct sk_buff *tipc_disc_init_msg(u32 type,
if (buf) {
msg = buf_msg(buf);
msg_init(msg, LINK_CONFIG, type, TIPC_OK, DSC_H_SIZE,
dest_domain);
msg_init(msg, LINK_CONFIG, type, DSC_H_SIZE, dest_domain);
msg_set_non_seq(msg);
msg_set_req_links(msg, req_links);
msg_set_dest_domain(msg, dest_domain);

12
net/tipc/link.c
View file

@ -468,7 +468,7 @@ struct link *tipc_link_create(struct bearer *b_ptr, const u32 peer,
l_ptr->pmsg = (struct tipc_msg *)&l_ptr->proto_msg;
msg = l_ptr->pmsg;
msg_init(msg, LINK_PROTOCOL, RESET_MSG, TIPC_OK, INT_H_SIZE, l_ptr->addr);
msg_init(msg, LINK_PROTOCOL, RESET_MSG, INT_H_SIZE, l_ptr->addr);
msg_set_size(msg, sizeof(l_ptr->proto_msg));
msg_set_session(msg, (tipc_random & 0xffff));
msg_set_bearer_id(msg, b_ptr->identity);
@ -1128,7 +1128,7 @@ int tipc_link_send_buf(struct link *l_ptr, struct sk_buff *buf)
if (bundler) {
msg_init(&bundler_hdr, MSG_BUNDLER, OPEN_MSG,
TIPC_OK, INT_H_SIZE, l_ptr->addr);
INT_H_SIZE, l_ptr->addr);
skb_copy_to_linear_data(bundler, &bundler_hdr,
INT_H_SIZE);
skb_trim(bundler, INT_H_SIZE);
@ -1392,7 +1392,7 @@ again:
msg_dbg(hdr, ">FRAGMENTING>");
msg_init(&fragm_hdr, MSG_FRAGMENTER, FIRST_FRAGMENT,
TIPC_OK, INT_H_SIZE, msg_destnode(hdr));
INT_H_SIZE, msg_destnode(hdr));
msg_set_link_selector(&fragm_hdr, sender->publ.ref);
msg_set_size(&fragm_hdr, max_pkt);
msg_set_fragm_no(&fragm_hdr, 1);
@ -2426,7 +2426,7 @@ void tipc_link_changeover(struct link *l_ptr)
}
msg_init(&tunnel_hdr, CHANGEOVER_PROTOCOL,
ORIGINAL_MSG, TIPC_OK, INT_H_SIZE, l_ptr->addr);
ORIGINAL_MSG, INT_H_SIZE, l_ptr->addr);
msg_set_bearer_id(&tunnel_hdr, l_ptr->peer_bearer_id);
msg_set_msgcnt(&tunnel_hdr, msgcount);
dbg("Link changeover requires %u tunnel messages\n", msgcount);
@ -2481,7 +2481,7 @@ void tipc_link_send_duplicate(struct link *l_ptr, struct link *tunnel)
struct tipc_msg tunnel_hdr;
msg_init(&tunnel_hdr, CHANGEOVER_PROTOCOL,
DUPLICATE_MSG, TIPC_OK, INT_H_SIZE, l_ptr->addr);
DUPLICATE_MSG, INT_H_SIZE, l_ptr->addr);
msg_set_msgcnt(&tunnel_hdr, l_ptr->out_queue_size);
msg_set_bearer_id(&tunnel_hdr, l_ptr->peer_bearer_id);
iter = l_ptr->first_out;
@ -2687,7 +2687,7 @@ int tipc_link_send_long_buf(struct link *l_ptr, struct sk_buff *buf)
/* Prepare reusable fragment header: */
msg_init(&fragm_hdr, MSG_FRAGMENTER, FIRST_FRAGMENT,
TIPC_OK, INT_H_SIZE, destaddr);
INT_H_SIZE, destaddr);
msg_set_link_selector(&fragm_hdr, msg_link_selector(inmsg));
msg_set_long_msgno(&fragm_hdr, mod(l_ptr->long_msg_seq_no++));
msg_set_fragm_no(&fragm_hdr, fragm_no);

3
net/tipc/msg.h
View file

@ -696,7 +696,7 @@ static inline u32 msg_tot_importance(struct tipc_msg *m)
static inline void msg_init(struct tipc_msg *m, u32 user, u32 type,
u32 err, u32 hsize, u32 destnode)
u32 hsize, u32 destnode)
{
memset(m, 0, hsize);
msg_set_version(m);
@ -705,7 +705,6 @@ static inline void msg_init(struct tipc_msg *m, u32 user, u32 type,
msg_set_size(m, hsize);
msg_set_prevnode(m, tipc_own_addr);
msg_set_type(m, type);
msg_set_errcode(m, err);
if (!msg_short(m)) {
msg_set_orignode(m, tipc_own_addr);
msg_set_destnode(m, destnode);

3
net/tipc/name_distr.c
View file

@ -103,8 +103,7 @@ static struct sk_buff *named_prepare_buf(u32 type, u32 size, u32 dest)
if (buf != NULL) {
msg = buf_msg(buf);
msg_init(msg, NAME_DISTRIBUTOR, type, TIPC_OK,
LONG_H_SIZE, dest);
msg_init(msg, NAME_DISTRIBUTOR, type, LONG_H_SIZE, dest);
msg_set_size(msg, LONG_H_SIZE + size);
}
return buf;

9
net/tipc/port.c
View file

@ -244,8 +244,7 @@ u32 tipc_createport_raw(void *usr_handle,
p_ptr->publ.max_pkt = MAX_PKT_DEFAULT;
p_ptr->publ.ref = ref;
msg = &p_ptr->publ.phdr;
msg_init(msg, TIPC_LOW_IMPORTANCE, TIPC_NAMED_MSG, TIPC_OK, LONG_H_SIZE,
0);
msg_init(msg, TIPC_LOW_IMPORTANCE, TIPC_NAMED_MSG, LONG_H_SIZE, 0);
msg_set_orignode(msg, tipc_own_addr);
msg_set_prevnode(msg, tipc_own_addr);
msg_set_origport(msg, ref);
@ -404,7 +403,8 @@ static struct sk_buff *port_build_proto_msg(u32 destport, u32 destnode,
buf = buf_acquire(LONG_H_SIZE);
if (buf) {
msg = buf_msg(buf);
msg_init(msg, usr, type, err, LONG_H_SIZE, destnode);
msg_init(msg, usr, type, LONG_H_SIZE, destnode);
msg_set_errcode(msg, err);
msg_set_destport(msg, destport);
msg_set_origport(msg, origport);
msg_set_destnode(msg, destnode);
@ -448,7 +448,8 @@ int tipc_reject_msg(struct sk_buff *buf, u32 err)
return data_sz;
}
rmsg = buf_msg(rbuf);
msg_init(rmsg, imp, msg_type(msg), err, hdr_sz, msg_orignode(msg));
msg_init(rmsg, imp, msg_type(msg), hdr_sz, msg_orignode(msg));
msg_set_errcode(rmsg, err);
msg_set_destport(rmsg, msg_origport(msg));
msg_set_prevnode(rmsg, tipc_own_addr);
msg_set_origport(rmsg, msg_destport(msg));