fs/nfs/dns_resolve.h

   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