From: Li Zefan <lizf@cn•fujitsu.com>
To: David Miller <davem@davemloft•net>
Cc: Andrew Morton <akpm@linux-foundation•org>,
LKML <linux-kernel@vger•kernel.org>,
"netdev@vger•kernel.org" <netdev@vger•kernel.org>
Subject: [PATCH 10/13] net: x25: use seq_list_foo() helpers
Date: Tue, 09 Feb 2010 17:20:42 +0800 [thread overview]
Message-ID: <4B7128EA.4030006@cn.fujitsu.com> (raw)
In-Reply-To: <4B712849.9040400@cn.fujitsu.com>
Simplify seq_file code.
Signed-off-by: Li Zefan <lizf@cn•fujitsu.com>
---
net/x25/x25_proc.c | 84 +++++-----------------------------------------------
1 files changed, 8 insertions(+), 76 deletions(-)
diff --git a/net/x25/x25_proc.c b/net/x25/x25_proc.c
index c4cd322..7ff3737 100644
--- a/net/x25/x25_proc.c
+++ b/net/x25/x25_proc.c
@@ -25,49 +25,17 @@
#include <net/x25.h>
#ifdef CONFIG_PROC_FS
-static __inline__ struct x25_route *x25_get_route_idx(loff_t pos)
-{
- struct list_head *route_entry;
- struct x25_route *rt = NULL;
-
- list_for_each(route_entry, &x25_route_list) {
- rt = list_entry(route_entry, struct x25_route, node);
- if (!pos--)
- goto found;
- }
- rt = NULL;
-found:
- return rt;
-}
static void *x25_seq_route_start(struct seq_file *seq, loff_t *pos)
__acquires(x25_route_list_lock)
{
- loff_t l = *pos;
-
read_lock_bh(&x25_route_list_lock);
- return l ? x25_get_route_idx(--l) : SEQ_START_TOKEN;
+ return seq_list_start_head(&x25_route_list, *pos);
}
static void *x25_seq_route_next(struct seq_file *seq, void *v, loff_t *pos)
{
- struct x25_route *rt;
-
- ++*pos;
- if (v == SEQ_START_TOKEN) {
- rt = NULL;
- if (!list_empty(&x25_route_list))
- rt = list_entry(x25_route_list.next,
- struct x25_route, node);
- goto out;
- }
- rt = v;
- if (rt->node.next != &x25_route_list)
- rt = list_entry(rt->node.next, struct x25_route, node);
- else
- rt = NULL;
-out:
- return rt;
+ return seq_list_next(v, &x25_route_list, pos);
}
static void x25_seq_route_stop(struct seq_file *seq, void *v)
@@ -78,9 +46,9 @@ static void x25_seq_route_stop(struct seq_file *seq, void *v)
static int x25_seq_route_show(struct seq_file *seq, void *v)
{
- struct x25_route *rt;
+ struct x25_route *rt = list_entry(v, struct x25_route, node);
- if (v == SEQ_START_TOKEN) {
+ if (v == &x25_route_list) {
seq_puts(seq, "Address Digits Device\n");
goto out;
}
@@ -146,51 +114,16 @@ out:
return 0;
}
-static __inline__ struct x25_forward *x25_get_forward_idx(loff_t pos)
-{
- struct x25_forward *f;
- struct list_head *entry;
-
- list_for_each(entry, &x25_forward_list) {
- f = list_entry(entry, struct x25_forward, node);
- if (!pos--)
- goto found;
- }
-
- f = NULL;
-found:
- return f;
-}
-
static void *x25_seq_forward_start(struct seq_file *seq, loff_t *pos)
__acquires(x25_forward_list_lock)
{
- loff_t l = *pos;
-
read_lock_bh(&x25_forward_list_lock);
- return l ? x25_get_forward_idx(--l) : SEQ_START_TOKEN;
+ return seq_list_start_head(&x25_forward_list, *pos);
}
static void *x25_seq_forward_next(struct seq_file *seq, void *v, loff_t *pos)
{
- struct x25_forward *f;
-
- ++*pos;
- if (v == SEQ_START_TOKEN) {
- f = NULL;
- if (!list_empty(&x25_forward_list))
- f = list_entry(x25_forward_list.next,
- struct x25_forward, node);
- goto out;
- }
- f = v;
- if (f->node.next != &x25_forward_list)
- f = list_entry(f->node.next, struct x25_forward, node);
- else
- f = NULL;
-out:
- return f;
-
+ return seq_list_next(v, &x25_forward_list, pos);
}
static void x25_seq_forward_stop(struct seq_file *seq, void *v)
@@ -201,9 +134,9 @@ static void x25_seq_forward_stop(struct seq_file *seq, void *v)
static int x25_seq_forward_show(struct seq_file *seq, void *v)
{
- struct x25_forward *f;
+ struct x25_forward *f = list_entry(v, struct x25_forward, node);
- if (v == SEQ_START_TOKEN) {
+ if (v == &x25_forward_list) {
seq_printf(seq, "lci dev1 dev2\n");
goto out;
}
@@ -212,7 +145,6 @@ static int x25_seq_forward_show(struct seq_file *seq, void *v)
seq_printf(seq, "%d %-10s %-10s\n",
f->lci, f->dev1->name, f->dev2->name);
-
out:
return 0;
}
--
1.6.3
next prev parent reply other threads:[~2010-02-09 11:19 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-09 9:18 [PATCH 00/13] net: simplify seq_file code, revised Li Zefan
2010-02-09 9:18 ` [PATCH 01/13] seq_file: Add helpers for iteration over a hlist Li Zefan
2010-02-09 9:18 ` [PATCH 02/13] net: add a wrapper sk_entry() Li Zefan
2010-02-09 9:19 ` [PATCH 03/13] net: x25: use seq_hlist_foo() helpers Li Zefan
2010-02-09 9:19 ` [PATCH 04/13] net: rose: " Li Zefan
2010-02-09 9:19 ` [PATCH 05/13] net: packet: " Li Zefan
2010-02-09 9:19 ` [PATCH 06/13] net: netrom: " Li Zefan
2010-02-09 9:19 ` [PATCH 07/13] net: ax25: " Li Zefan
2010-02-09 9:20 ` [PATCH 08/13] net: appletalk: " Li Zefan
2010-02-09 9:20 ` [PATCH 09/13] net: af_key: " Li Zefan
2010-02-09 9:20 ` Li Zefan [this message]
2010-02-09 9:21 ` [PATCH 11/13] net: irda: use seq_list_foo() helpers Li Zefan
2010-02-09 9:21 ` [PATCH 12/13] net: ipx: " Li Zefan
2010-02-09 9:21 ` [PATCH 13/13] net: atm: " Li Zefan
2010-02-10 19:31 ` [PATCH 00/13] net: simplify seq_file code, revised David Miller
2010-02-10 20:29 ` David Miller
-- strict thread matches above, loose matches on Subject: below --
2010-02-05 1:44 [PATCH 00/13] net: simplify seq_file code Li Zefan
2010-02-05 1:47 ` [PATCH 10/13] net: x25: use seq_list_foo() helpers Li Zefan
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