141 static void nfs_dns_request(struct cache_detail *cd,  in nfs_dns_request()  argument
151 static int nfs_dns_upcall(struct cache_detail *cd,  in nfs_dns_upcall()  argument
157 	ret = nfs_cache_upcall(cd, key->hostname);  in nfs_dns_upcall()
159 		ret = sunrpc_cache_pipe_upcall(cd, ch);  in nfs_dns_upcall()
177 static int nfs_dns_show(struct seq_file *m, struct cache_detail *cd,  in nfs_dns_show()  argument
203 static struct nfs_dns_ent *nfs_dns_lookup(struct cache_detail *cd,  in nfs_dns_lookup()  argument
208 	ch = sunrpc_cache_lookup_rcu(cd,  in nfs_dns_lookup()
216 static struct nfs_dns_ent *nfs_dns_update(struct cache_detail *cd,  in nfs_dns_update()  argument
222 	ch = sunrpc_cache_update(cd,  in nfs_dns_update()
230 static int nfs_dns_parse(struct cache_detail *cd, char *buf, int buflen)  in nfs_dns_parse()  argument
245 	key.addrlen = rpc_pton(cd->net, buf1, len,  in nfs_dns_parse()
264 	item = nfs_dns_lookup(cd, &key);  in nfs_dns_parse()
271 	item = nfs_dns_update(cd, &key, item);  in nfs_dns_parse()
276 	cache_put(&item->h, cd);  in nfs_dns_parse()
281 static int do_cache_lookup(struct cache_detail *cd,  in do_cache_lookup()  argument
288 	*item = nfs_dns_lookup(cd, key);  in do_cache_lookup()
290 		ret = cache_check(cd, &(*item)->h, &dreq->req);  in do_cache_lookup()
297 static int do_cache_lookup_nowait(struct cache_detail *cd,  in do_cache_lookup_nowait()  argument
303 	*item = nfs_dns_lookup(cd, key);  in do_cache_lookup_nowait()
309 			|| cd->flush_time > (*item)->h.last_refresh)  in do_cache_lookup_nowait()
316 	cache_put(&(*item)->h, cd);  in do_cache_lookup_nowait()
322 static int do_cache_lookup_wait(struct cache_detail *cd,  in do_cache_lookup_wait()  argument
332 	ret = do_cache_lookup(cd, key, item, dreq);  in do_cache_lookup_wait()
336 			ret = do_cache_lookup_nowait(cd, key, item);  in do_cache_lookup_wait()
431 	struct cache_detail *cd = nn->nfs_dns_resolve;  in rpc_pipefs_event()  local
434 	if (cd == NULL)  in rpc_pipefs_event()
442 		ret = nfs_cache_register_sb(sb, cd);  in rpc_pipefs_event()
445 		nfs_cache_unregister_sb(sb, cd);  in rpc_pipefs_event()