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 11static inline int nfs_dns_resolver_init(void) 12{ 13 return 0; 14} 15 16static inline void nfs_dns_resolver_destroy(void) 17{} 18 19static inline int nfs_dns_resolver_cache_init(struct net *net) 20{ 21 return 0; 22} 23 24static inline void nfs_dns_resolver_cache_destroy(struct net *net) 25{} 26#else 27extern int nfs_dns_resolver_init(void); 28extern void nfs_dns_resolver_destroy(void); 29extern int nfs_dns_resolver_cache_init(struct net *net); 30extern void nfs_dns_resolver_cache_destroy(struct net *net); 31#endif 32 33extern ssize_t nfs_dns_resolve_name(struct net *net, char *name, 34 size_t namelen, struct sockaddr *sa, size_t salen); 35 36#endif 37