diff options
author | Li Zefan <lizf@cn.fujitsu.com> | 2010-02-08 23:19:42 +0000 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-02-10 11:12:08 -0800 |
commit | 90dd7f5ace558314fa431ae0f59388ed3e5c7695 (patch) | |
tree | fc8d5e1d37f194c038fc03d2cf1914612b2ec3ec | |
parent | b7ceabd9b528417973619c5b655bc5b21857ac36 (diff) |
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>
-rw-r--r-- | net/netrom/af_netrom.c | 21 | ||||
-rw-r--r-- | net/netrom/nr_route.c | 53 |
2 files changed, 12 insertions, 62 deletions
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c index 71604c6613b..a249127020a 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -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; diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c index e2e2d33cafd..5cc648012f5 100644 --- a/net/netrom/nr_route.c +++ b/net/netrom/nr_route.c @@ -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), |