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1 /*
2  * Resolve DNS hostnames into valid ip addresses
3  */
4 #ifndef __LINUX_FS_NFS_DNS_RESOLVE_H
5 #define __LINUX_FS_NFS_DNS_RESOLVE_H
6
7 #define NFS_DNS_HOSTNAME_MAXLEN (128)
8
9
10 #ifdef CONFIG_NFS_USE_KERNEL_DNS
11 static inline int nfs_dns_resolver_init(void)
12 {
13         return 0;
14 }
15
16 static inline void nfs_dns_resolver_destroy(void)
17 {}
18
19 static inline int nfs_dns_resolver_cache_init(struct net *net)
20 {
21         return 0;
22 }
23
24 static inline void nfs_dns_resolver_cache_destroy(struct net *net)
25 {}
26 #else
27 extern int nfs_dns_resolver_init(void);
28 extern void nfs_dns_resolver_destroy(void);
29 extern int nfs_dns_resolver_cache_init(struct net *net);
30 extern void nfs_dns_resolver_cache_destroy(struct net *net);
31 #endif
32
33 extern ssize_t nfs_dns_resolve_name(struct net *net, char *name,
34                 size_t namelen, struct sockaddr *sa, size_t salen);
35
36 #endif