62 struct ent {  struct
79 	struct ent *new = container_of(cnew, struct ent, h);  in ent_init()  argument
80 	struct ent *itm = container_of(citm, struct ent, h);  in ent_init()
92 	struct ent *map = container_of(ref, struct ent, h.ref);  in ent_put()
99 	struct ent *e = kmalloc(sizeof(*e), GFP_KERNEL);  in ent_alloc()
111 idtoname_hash(struct ent *ent)  in idtoname_hash()  argument
115 	hash = hash_str(ent->authname, ENT_HASHBITS);  in idtoname_hash()
116 	hash = hash_long(hash ^ ent->id, ENT_HASHBITS);  in idtoname_hash()
119 	if (ent->type == IDMAP_TYPE_GROUP)  in idtoname_hash()
135  	struct ent *ent = container_of(ch, struct ent, h);  in idtoname_request()  local
138 	qword_add(bpp, blen, ent->authname);  in idtoname_request()
139 	snprintf(idstr, sizeof(idstr), "%u", ent->id);  in idtoname_request()
140 	qword_add(bpp, blen, ent->type == IDMAP_TYPE_GROUP ? "group" : "user");  in idtoname_request()
149 	struct ent *a = container_of(ca, struct ent, h);  in idtoname_match()
150 	struct ent *b = container_of(cb, struct ent, h);  in idtoname_match()
159 	struct ent *ent;  in idtoname_show()  local
165 	ent = container_of(h, struct ent, h);  in idtoname_show()
166 	seq_printf(m, "%s %s %u", ent->authname,  in idtoname_show()
167 			ent->type == IDMAP_TYPE_GROUP ? "group" : "user",  in idtoname_show()
168 			ent->id);  in idtoname_show()
170 		seq_printf(m, " %s", ent->name);  in idtoname_show()
184 static struct ent *idtoname_lookup(struct cache_detail *, struct ent *);
185 static struct ent *idtoname_update(struct cache_detail *, struct ent *,
186 				   struct ent *);
207 	struct ent ent, *res;  in idtoname_parse()  local
220 	memset(&ent, 0, sizeof(ent));  in idtoname_parse()
226 	memcpy(ent.authname, buf1, sizeof(ent.authname));  in idtoname_parse()
231 	ent.type = strcmp(buf1, "user") == 0 ?  in idtoname_parse()
237 	ent.id = simple_strtoul(buf1, &bp, 10);  in idtoname_parse()
242 	ent.h.expiry_time = get_expiry(&buf);  in idtoname_parse()
243 	if (ent.h.expiry_time == 0)  in idtoname_parse()
247 	res = idtoname_lookup(cd, &ent);  in idtoname_parse()
257 		set_bit(CACHE_NEGATIVE, &ent.h.flags);  in idtoname_parse()
259 		memcpy(ent.name, buf1, sizeof(ent.name));  in idtoname_parse()
261 	res = idtoname_update(cd, &ent, res);  in idtoname_parse()
272 static struct ent *
273 idtoname_lookup(struct cache_detail *cd, struct ent *item)  in idtoname_lookup()
278 		return container_of(ch, struct ent, h);  in idtoname_lookup()
283 static struct ent *
284 idtoname_update(struct cache_detail *cd, struct ent *new, struct ent *old)  in idtoname_update()
289 		return container_of(ch, struct ent, h);  in idtoname_update()
300 nametoid_hash(struct ent *ent)  in nametoid_hash()  argument
302 	return hash_str(ent->name, ENT_HASHBITS);  in nametoid_hash()
315  	struct ent *ent = container_of(ch, struct ent, h);  in nametoid_request()  local
317 	qword_add(bpp, blen, ent->authname);  in nametoid_request()
318 	qword_add(bpp, blen, ent->type == IDMAP_TYPE_GROUP ? "group" : "user");  in nametoid_request()
319 	qword_add(bpp, blen, ent->name);  in nametoid_request()
327 	struct ent *a = container_of(ca, struct ent, h);  in nametoid_match()
328 	struct ent *b = container_of(cb, struct ent, h);  in nametoid_match()
337 	struct ent *ent;  in nametoid_show()  local
343 	ent = container_of(h, struct ent, h);  in nametoid_show()
344 	seq_printf(m, "%s %s %s", ent->authname,  in nametoid_show()
345 			ent->type == IDMAP_TYPE_GROUP ? "group" : "user",  in nametoid_show()
346 			ent->name);  in nametoid_show()
348 		seq_printf(m, " %u", ent->id);  in nametoid_show()
353 static struct ent *nametoid_lookup(struct cache_detail *, struct ent *);
354 static struct ent *nametoid_update(struct cache_detail *, struct ent *,
355 				   struct ent *);
377 	struct ent ent, *res;  in nametoid_parse()  local
389 	memset(&ent, 0, sizeof(ent));  in nametoid_parse()
395 	memcpy(ent.authname, buf1, sizeof(ent.authname));  in nametoid_parse()
400 	ent.type = strcmp(buf1, "user") == 0 ?  in nametoid_parse()
407 	memcpy(ent.name, buf1, sizeof(ent.name));  in nametoid_parse()
410 	ent.h.expiry_time = get_expiry(&buf);  in nametoid_parse()
411 	if (ent.h.expiry_time == 0)  in nametoid_parse()
415 	error = get_int(&buf, &ent.id);  in nametoid_parse()
419 		set_bit(CACHE_NEGATIVE, &ent.h.flags);  in nametoid_parse()
422 	res = nametoid_lookup(cd, &ent);  in nametoid_parse()
425 	res = nametoid_update(cd, &ent, res);  in nametoid_parse()
437 static struct ent *
438 nametoid_lookup(struct cache_detail *cd, struct ent *item)  in nametoid_lookup()
443 		return container_of(ch, struct ent, h);  in nametoid_lookup()
448 static struct ent *
449 nametoid_update(struct cache_detail *cd, struct ent *new, struct ent *old)  in nametoid_update()
454 		return container_of(ch, struct ent, h);  in nametoid_update()
507 		struct ent *(*lookup_fn)(struct cache_detail *, struct ent *),  in idmap_lookup()  argument
508 		struct ent *key, struct cache_detail *detail, struct ent **item)  in idmap_lookup()
519 		struct ent *prev_item = *item;  in idmap_lookup()
541 	struct ent *item, key = {  in idmap_name_to_id()
579 	struct ent *item, key = {  in idmap_id_to_name()