fs/nfsd/nfs4idmap.c

63 struct ent {
80 	struct ent *new = container_of(cnew, struct ent, h);
81 	struct ent *itm = container_of(citm, struct ent, h);
93 	struct ent *map = container_of(ref, struct ent, h.ref);
100 	struct ent *e = kmalloc(sizeof(*e), GFP_KERNEL);
112 idtoname_hash(struct ent *ent)
116 	hash = hash_str(ent->authname, ENT_HASHBITS);
117 	hash = hash_long(hash ^ ent->id, ENT_HASHBITS);
120 	if (ent->type == IDMAP_TYPE_GROUP)
136  	struct ent *ent = container_of(ch, struct ent, h);
139 	qword_add(bpp, blen, ent->authname);
140 	snprintf(idstr, sizeof(idstr), "%u", ent->id);
141 	qword_add(bpp, blen, ent->type == IDMAP_TYPE_GROUP ? "group" : "user");
150 	struct ent *a = container_of(ca, struct ent, h);
151 	struct ent *b = container_of(cb, struct ent, h);
160 	struct ent *ent;
166 	ent = container_of(h, struct ent, h);
167 	seq_printf(m, "%s %s %u", ent->authname,
168 			ent->type == IDMAP_TYPE_GROUP ? "group" : "user",
169 			ent->id);
171 		seq_printf(m, " %s", ent->name);
185 static struct ent *idtoname_lookup(struct cache_detail *, struct ent *);
186 static struct ent *idtoname_update(struct cache_detail *, struct ent *,
187 				   struct ent *);
208 	struct ent ent, *res;
221 	memset(&ent, 0, sizeof(ent));
227 	memcpy(ent.authname, buf1, sizeof(ent.authname));
232 	ent.type = strcmp(buf1, "user") == 0 ?
238 	ent.id = simple_strtoul(buf1, &bp, 10);
243 	error = get_expiry(&buf, &ent.h.expiry_time);
248 	res = idtoname_lookup(cd, &ent);
258 		set_bit(CACHE_NEGATIVE, &ent.h.flags);
260 		memcpy(ent.name, buf1, sizeof(ent.name));
262 	res = idtoname_update(cd, &ent, res);
273 static struct ent *
274 idtoname_lookup(struct cache_detail *cd, struct ent *item)
279 		return container_of(ch, struct ent, h);
284 static struct ent *
285 idtoname_update(struct cache_detail *cd, struct ent *new, struct ent *old)
290 		return container_of(ch, struct ent, h);
301 nametoid_hash(struct ent *ent)
303 	return hash_str(ent->name, ENT_HASHBITS);
316  	struct ent *ent = container_of(ch, struct ent, h);
318 	qword_add(bpp, blen, ent->authname);
319 	qword_add(bpp, blen, ent->type == IDMAP_TYPE_GROUP ? "group" : "user");
320 	qword_add(bpp, blen, ent->name);
328 	struct ent *a = container_of(ca, struct ent, h);
329 	struct ent *b = container_of(cb, struct ent, h);
338 	struct ent *ent;
344 	ent = container_of(h, struct ent, h);
345 	seq_printf(m, "%s %s %s", ent->authname,
346 			ent->type == IDMAP_TYPE_GROUP ? "group" : "user",
347 			ent->name);
349 		seq_printf(m, " %u", ent->id);
354 static struct ent *nametoid_lookup(struct cache_detail *, struct ent *);
355 static struct ent *nametoid_update(struct cache_detail *, struct ent *,
356 				   struct ent *);
378 	struct ent ent, *res;
390 	memset(&ent, 0, sizeof(ent));
396 	memcpy(ent.authname, buf1, sizeof(ent.authname));
401 	ent.type = strcmp(buf1, "user") == 0 ?
408 	memcpy(ent.name, buf1, sizeof(ent.name));
411 	error = get_expiry(&buf, &ent.h.expiry_time);
416 	error = get_int(&buf, &ent.id);
420 		set_bit(CACHE_NEGATIVE, &ent.h.flags);
423 	res = nametoid_lookup(cd, &ent);
426 	res = nametoid_update(cd, &ent, res);
438 static struct ent *
439 nametoid_lookup(struct cache_detail *cd, struct ent *item)
444 		return container_of(ch, struct ent, h);
449 static struct ent *
450 nametoid_update(struct cache_detail *cd, struct ent *new, struct ent *old)
455 		return container_of(ch, struct ent, h);
508 		struct ent *(*lookup_fn)(struct cache_detail *, struct ent *),
509 		struct ent *key, struct cache_detail *detail, struct ent **item)
520 		struct ent *prev_item = *item;
542 	struct ent *item, key = {
580 	struct ent *item, key = {