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Next: [PATCH 03/13] net: x25: use seq_hlist_foo() helpers
From: Li Zefan on 4 Feb 2010 20:50
Simplify seq_file code.

Signed-off-by: Li Zefan <lizf(a)cn.fujitsu.com>
---
net/appletalk/atalk_proc.c | 30 +++---------------------------
1 files changed, 3 insertions(+), 27 deletions(-)

diff --git a/net/appletalk/atalk_proc.c b/net/appletalk/atalk_proc.c
index 80caad1..6ef0e76 100644
--- a/net/appletalk/atalk_proc.c
+++ b/net/appletalk/atalk_proc.c
@@ -144,40 +144,16 @@ out:
return 0;
}

-static __inline__ struct sock *atalk_get_socket_idx(loff_t pos)
-{
- struct sock *s;
- struct hlist_node *node;
-
- sk_for_each(s, node, &atalk_sockets)
- if (!pos--)
- goto found;
- s = NULL;
-found:
- return s;
-}
-
static void *atalk_seq_socket_start(struct seq_file *seq, loff_t *pos)
__acquires(atalk_sockets_lock)
{
- loff_t l = *pos;
-
read_lock_bh(&atalk_sockets_lock);
- return l ? atalk_get_socket_idx(--l) : SEQ_START_TOKEN;
+ return seq_hlist_start_head(&atalk_sockets, *pos);
}

static void *atalk_seq_socket_next(struct seq_file *seq, void *v, loff_t *pos)
{
- struct sock *i;
-
- ++*pos;
- if (v == SEQ_START_TOKEN) {
- i = sk_head(&atalk_sockets);
- goto out;
- }
- i = sk_next(v);
-out:
- return i;
+ return seq_hlist_next(v, &atalk_sockets, pos);
}

static void atalk_seq_socket_stop(struct seq_file *seq, void *v)
@@ -197,7 +173,7 @@ static int atalk_seq_socket_show(struct seq_file *seq, void *v)
goto out;
}

- s = v;
+ s = sk_entry(v);
at = at_sk(s);

seq_printf(seq, "%02X %04X:%02X:%02X %04X:%02X:%02X %08X:%08X "
--
1.6.3

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Prev: [git patches] libata fixes
Next: [PATCH 03/13] net: x25: use seq_hlist_foo() helpers