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net: netrom: use seq_hlist_foo() helpers 

Simplify seq_file code.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Li Zefan 2010-02-08 23:19:42 +00:00 committed by David S. Miller
parent b7ceabd9b5
commit 90dd7f5ace
2 changed files with 12 additions and 62 deletions
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21
net/netrom/af_netrom.c
View File

@ -1267,28 +1267,13 @@ static int nr_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
static void *nr_info_start(struct seq_file *seq, loff_t *pos)
{
struct sock *s;
struct hlist_node *node;
int i = 1;
spin_lock_bh(&nr_list_lock);
if (*pos == 0)
return SEQ_START_TOKEN;
sk_for_each(s, node, &nr_list) {
if (i == *pos)
return s;
++i;
}
return NULL;
return seq_hlist_start_head(&nr_list, *pos);
}
static void *nr_info_next(struct seq_file *seq, void *v, loff_t *pos)
{
++*pos;
return (v == SEQ_START_TOKEN) ? sk_head(&nr_list)
: sk_next((struct sock *)v);
return seq_hlist_next(v, &nr_list, pos);
}
static void nr_info_stop(struct seq_file *seq, void *v)
@ -1298,7 +1283,7 @@ static void nr_info_stop(struct seq_file *seq, void *v)
static int nr_info_show(struct seq_file *seq, void *v)
{
struct sock *s = v;
struct sock *s = sk_entry(v);
struct net_device *dev;
struct nr_sock *nr;
const char *devname;

53
net/netrom/nr_route.c
View File

@ -863,33 +863,13 @@ int nr_route_frame(struct sk_buff *skb, ax25_cb *ax25)
static void *nr_node_start(struct seq_file *seq, loff_t *pos)
{
struct nr_node *nr_node;
struct hlist_node *node;
int i = 1;
spin_lock_bh(&nr_node_list_lock);
if (*pos == 0)
return SEQ_START_TOKEN;
nr_node_for_each(nr_node, node, &nr_node_list) {
if (i == *pos)
return nr_node;
++i;
}
return NULL;
return seq_hlist_start_head(&nr_node_list, *pos);
}
static void *nr_node_next(struct seq_file *seq, void *v, loff_t *pos)
{
struct hlist_node *node;
++*pos;
node = (v == SEQ_START_TOKEN)
? nr_node_list.first
: ((struct nr_node *)v)->node_node.next;
return hlist_entry(node, struct nr_node, node_node);
return seq_hlist_next(v, &nr_node_list, pos);
}
static void nr_node_stop(struct seq_file *seq, void *v)
@ -906,7 +886,9 @@ static int nr_node_show(struct seq_file *seq, void *v)
seq_puts(seq,
"callsign mnemonic w n qual obs neigh qual obs neigh qual obs neigh\n");
else {
struct nr_node *nr_node = v;
struct nr_node *nr_node = hlist_entry(v, struct nr_node,
node_node);
nr_node_lock(nr_node);
seq_printf(seq, "%-9s %-7s %d %d",
ax2asc(buf, &nr_node->callsign),
@ -949,31 +931,13 @@ const struct file_operations nr_nodes_fops = {
static void *nr_neigh_start(struct seq_file *seq, loff_t *pos)
{
struct nr_neigh *nr_neigh;
struct hlist_node *node;
int i = 1;
spin_lock_bh(&nr_neigh_list_lock);
if (*pos == 0)
return SEQ_START_TOKEN;
nr_neigh_for_each(nr_neigh, node, &nr_neigh_list) {
if (i == *pos)
return nr_neigh;
}
return NULL;
return seq_hlist_start_head(&nr_neigh_list, *pos);
}
static void *nr_neigh_next(struct seq_file *seq, void *v, loff_t *pos)
{
struct hlist_node *node;
++*pos;
node = (v == SEQ_START_TOKEN)
? nr_neigh_list.first
: ((struct nr_neigh *)v)->neigh_node.next;
return hlist_entry(node, struct nr_neigh, neigh_node);
return seq_hlist_next(v, &nr_neigh_list, pos);
}
static void nr_neigh_stop(struct seq_file *seq, void *v)
@ -989,8 +953,9 @@ static int nr_neigh_show(struct seq_file *seq, void *v)
if (v == SEQ_START_TOKEN)
seq_puts(seq, "addr callsign dev qual lock count failed digipeaters\n");
else {
struct nr_neigh *nr_neigh = v;
struct nr_neigh *nr_neigh;
nr_neigh = hlist_entry(v, struct nr_neigh, neigh_node);
seq_printf(seq, "%05d %-9s %-4s %3d %d %3d %3d",
nr_neigh->number,
ax2asc(buf, &nr_neigh->callsign),