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[NET] NETNS: Omit seq_net_private->net without CONFIG_NET_NS.

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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>
This commit is contained in:
YOSHIFUJI Hideaki
2008-03-26 02:36:06 +09:00
parent 3b1e0a655f
commit 1218854afa
12 changed files with 53 additions and 47 deletions
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7
include/linux/seq_file.h
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@@ -5,6 +5,7 @@
#include <linux/types.h>
#include <linux/string.h>
#include <linux/mutex.h>
#include <net/net_namespace.h>
struct seq_operations;
struct file;
@@ -64,7 +65,9 @@ extern struct list_head *seq_list_next(void *v, struct list_head *head,
struct net;
struct seq_net_private {
#ifdef CONFIG_NET_NS
struct net *net;
#endif
};
int seq_open_net(struct inode *, struct file *,
@@ -72,7 +75,11 @@ int seq_open_net(struct inode *, struct file *,
int seq_release_net(struct inode *, struct file *);
static inline struct net *seq_file_net(struct seq_file *seq)
{
#ifdef CONFIG_NET_NS
return ((struct seq_net_private *)seq->private)->net;
#else
return &init_net;
#endif
}
#endif