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authorYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2008-03-26 02:36:06 +0900
committerYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2008-03-26 04:39:56 +0900
commit1218854afa6f659be90b748cf1bc7badee954a35 (patch)
tree78b83e3941fa7e5a03c04e2e4f6ddb1a08ea38a0 /net/ipv4
parent3b1e0a655f8eba44ab1ee2a1068d169ccfb853b9 (diff)
[NET] NETNS: Omit seq_net_private->net without CONFIG_NET_NS.
Without CONFIG_NET_NS, no namespace other than &init_net exists, no need to store net in seq_net_private. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/fib_hash.c5
-rw-r--r--net/ipv4/fib_trie.c13
-rw-r--r--net/ipv4/raw.c4
-rw-r--r--net/ipv4/route.c29
4 files changed, 25 insertions, 26 deletions
diff --git a/net/ipv4/fib_hash.c b/net/ipv4/fib_hash.c
index 8d58d85dfac..02088deb046 100644
--- a/net/ipv4/fib_hash.c
+++ b/net/ipv4/fib_hash.c
@@ -821,7 +821,7 @@ static struct fib_alias *fib_get_first(struct seq_file *seq)
struct fib_table *main_table;
struct fn_hash *table;
- main_table = fib_get_table(iter->p.net, RT_TABLE_MAIN);
+ main_table = fib_get_table(seq_file_net(seq), RT_TABLE_MAIN);
table = (struct fn_hash *)main_table->tb_data;
iter->bucket = 0;
@@ -959,11 +959,10 @@ static struct fib_alias *fib_get_idx(struct seq_file *seq, loff_t pos)
static void *fib_seq_start(struct seq_file *seq, loff_t *pos)
__acquires(fib_hash_lock)
{
- struct fib_iter_state *iter = seq->private;
void *v = NULL;
read_lock(&fib_hash_lock);
- if (fib_get_table(iter->p.net, RT_TABLE_MAIN))
+ if (fib_get_table(seq_file_net(seq), RT_TABLE_MAIN))
v = *pos ? fib_get_idx(seq, *pos - 1) : SEQ_START_TOKEN;
return v;
}
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index ce6cb34e28e..9e491e70e85 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -2279,9 +2279,10 @@ static const struct file_operations fib_triestat_fops = {
.release = fib_triestat_seq_release,
};
-static struct node *fib_trie_get_idx(struct fib_trie_iter *iter, loff_t pos)
+static struct node *fib_trie_get_idx(struct seq_file *seq, loff_t pos)
{
- struct net *net = iter->p.net;
+ struct fib_trie_iter *iter = seq->private;
+ struct net *net = seq_file_net(seq);
loff_t idx = 0;
unsigned int h;
@@ -2309,16 +2310,14 @@ static struct node *fib_trie_get_idx(struct fib_trie_iter *iter, loff_t pos)
static void *fib_trie_seq_start(struct seq_file *seq, loff_t *pos)
__acquires(RCU)
{
- struct fib_trie_iter *iter = seq->private;
-
rcu_read_lock();
- return fib_trie_get_idx(iter, *pos);
+ return fib_trie_get_idx(seq, *pos);
}
static void *fib_trie_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
struct fib_trie_iter *iter = seq->private;
- struct net *net = iter->p.net;
+ struct net *net = seq_file_net(seq);
struct fib_table *tb = iter->tb;
struct hlist_node *tb_node;
unsigned int h;
@@ -2513,7 +2512,7 @@ static void *fib_route_seq_start(struct seq_file *seq, loff_t *pos)
struct fib_table *tb;
rcu_read_lock();
- tb = fib_get_table(iter->p.net, RT_TABLE_MAIN);
+ tb = fib_get_table(seq_file_net(seq), RT_TABLE_MAIN);
if (!tb)
return NULL;
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index be19a4048d7..25dc8b38cac 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -856,7 +856,7 @@ static struct sock *raw_get_first(struct seq_file *seq)
struct hlist_node *node;
sk_for_each(sk, node, &state->h->ht[state->bucket])
- if (sock_net(sk) == state->p.net)
+ if (sock_net(sk) == seq_file_net(seq))
goto found;
}
sk = NULL;
@@ -872,7 +872,7 @@ static struct sock *raw_get_next(struct seq_file *seq, struct sock *sk)
sk = sk_next(sk);
try_again:
;
- } while (sk && sock_net(sk) != state->p.net);
+ } while (sk && sock_net(sk) != seq_file_net(seq));
if (!sk && ++state->bucket < RAW_HTABLE_SIZE) {
sk = sk_head(&state->h->ht[state->bucket]);
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 194f5cca312..eab8d75e522 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -276,15 +276,16 @@ struct rt_cache_iter_state {
int genid;
};
-static struct rtable *rt_cache_get_first(struct rt_cache_iter_state *st)
+static struct rtable *rt_cache_get_first(struct seq_file *seq)
{
+ struct rt_cache_iter_state *st = seq->private;
struct rtable *r = NULL;
for (st->bucket = rt_hash_mask; st->bucket >= 0; --st->bucket) {
rcu_read_lock_bh();
r = rcu_dereference(rt_hash_table[st->bucket].chain);
while (r) {
- if (dev_net(r->u.dst.dev) == st->p.net &&
+ if (dev_net(r->u.dst.dev) == seq_file_net(seq) &&
r->rt_genid == st->genid)
return r;
r = rcu_dereference(r->u.dst.rt_next);
@@ -294,9 +295,10 @@ static struct rtable *rt_cache_get_first(struct rt_cache_iter_state *st)
return r;
}
-static struct rtable *__rt_cache_get_next(struct rt_cache_iter_state *st,
+static struct rtable *__rt_cache_get_next(struct seq_file *seq,
struct rtable *r)
{
+ struct rt_cache_iter_state *st = seq->private;
r = r->u.dst.rt_next;
while (!r) {
rcu_read_unlock_bh();
@@ -308,11 +310,12 @@ static struct rtable *__rt_cache_get_next(struct rt_cache_iter_state *st,
return rcu_dereference(r);
}
-static struct rtable *rt_cache_get_next(struct rt_cache_iter_state *st,
+static struct rtable *rt_cache_get_next(struct seq_file *seq,
struct rtable *r)
{
- while ((r = __rt_cache_get_next(st, r)) != NULL) {
- if (dev_net(r->u.dst.dev) != st->p.net)
+ struct rt_cache_iter_state *st = seq->private;
+ while ((r = __rt_cache_get_next(seq, r)) != NULL) {
+ if (dev_net(r->u.dst.dev) != seq_file_net(seq))
continue;
if (r->rt_genid == st->genid)
break;
@@ -320,12 +323,12 @@ static struct rtable *rt_cache_get_next(struct rt_cache_iter_state *st,
return r;
}
-static struct rtable *rt_cache_get_idx(struct rt_cache_iter_state *st, loff_t pos)
+static struct rtable *rt_cache_get_idx(struct seq_file *seq, loff_t pos)
{
- struct rtable *r = rt_cache_get_first(st);
+ struct rtable *r = rt_cache_get_first(seq);
if (r)
- while (pos && (r = rt_cache_get_next(st, r)))
+ while (pos && (r = rt_cache_get_next(seq, r)))
--pos;
return pos ? NULL : r;
}
@@ -333,9 +336,8 @@ static struct rtable *rt_cache_get_idx(struct rt_cache_iter_state *st, loff_t po
static void *rt_cache_seq_start(struct seq_file *seq, loff_t *pos)
{
struct rt_cache_iter_state *st = seq->private;
-
if (*pos)
- return rt_cache_get_idx(st, *pos - 1);
+ return rt_cache_get_idx(seq, *pos - 1);
st->genid = atomic_read(&rt_genid);
return SEQ_START_TOKEN;
}
@@ -343,12 +345,11 @@ static void *rt_cache_seq_start(struct seq_file *seq, loff_t *pos)
static void *rt_cache_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
struct rtable *r;
- struct rt_cache_iter_state *st = seq->private;
if (v == SEQ_START_TOKEN)
- r = rt_cache_get_first(st);
+ r = rt_cache_get_first(seq);
else
- r = rt_cache_get_next(st, v);
+ r = rt_cache_get_next(seq, v);
++*pos;
return r;
}