[NET]: Make some network-related proc files use seq_list_xxx helpers

This includes /proc/net/protocols, /proc/net/rxrpc_calls and
/proc/net/rxrpc_connections files.

All three need seq_list_start_head to show some header.

Signed-off-by: Pavel Emelianov <xemul@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelianov
2007-07-09 13:15:14 -07:00
committed by David S. Miller
parent 9af97186fc
commit 60f0438a87
2 changed files with 10 additions and 77 deletions

View File

@ -1851,46 +1851,15 @@ void proto_unregister(struct proto *prot)
EXPORT_SYMBOL(proto_unregister);
#ifdef CONFIG_PROC_FS
static inline struct proto *__proto_head(void)
{
return list_entry(proto_list.next, struct proto, node);
}
static inline struct proto *proto_head(void)
{
return list_empty(&proto_list) ? NULL : __proto_head();
}
static inline struct proto *proto_next(struct proto *proto)
{
return proto->node.next == &proto_list ? NULL :
list_entry(proto->node.next, struct proto, node);
}
static inline struct proto *proto_get_idx(loff_t pos)
{
struct proto *proto;
loff_t i = 0;
list_for_each_entry(proto, &proto_list, node)
if (i++ == pos)
goto out;
proto = NULL;
out:
return proto;
}
static void *proto_seq_start(struct seq_file *seq, loff_t *pos)
{
read_lock(&proto_list_lock);
return *pos ? proto_get_idx(*pos - 1) : SEQ_START_TOKEN;
return seq_list_start_head(&proto_list, *pos);
}
static void *proto_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
++*pos;
return v == SEQ_START_TOKEN ? proto_head() : proto_next(v);
return seq_list_next(v, &proto_list, pos);
}
static void proto_seq_stop(struct seq_file *seq, void *v)
@ -1938,7 +1907,7 @@ static void proto_seq_printf(struct seq_file *seq, struct proto *proto)
static int proto_seq_show(struct seq_file *seq, void *v)
{
if (v == SEQ_START_TOKEN)
if (v == &proto_list)
seq_printf(seq, "%-9s %-4s %-8s %-6s %-5s %-7s %-4s %-10s %s",
"protocol",
"size",
@ -1950,7 +1919,7 @@ static int proto_seq_show(struct seq_file *seq, void *v)
"module",
"cl co di ac io in de sh ss gs se re sp bi br ha uh gp em\n");
else
proto_seq_printf(seq, v);
proto_seq_printf(seq, list_entry(v, struct proto, node));
return 0;
}