64 	unsigned long	chunks;		/* count of chunks needed for fat ZAP */
65 	bool		micro;		/* can this be a micro ZAP? */
117 	zfs_zap_t *zap;  in zap_alloc()  local
119 	zap = ecalloc(1, sizeof(*zap));  in zap_alloc()
120 	STAILQ_INIT(&zap->kvps);  in zap_alloc()
121 	zap->hashsalt = ((uint64_t)random() << 32) | random();  in zap_alloc()
122 	zap->micro = true;  in zap_alloc()
123 	zap->kvpcnt = 0;  in zap_alloc()
124 	zap->chunks = 0;  in zap_alloc()
125 	zap->dnode = dnode;  in zap_alloc()
126 	zap->os = os;  in zap_alloc()
127 	return (zap);  in zap_alloc()
131 zap_add(zfs_zap_t *zap, const char *name, size_t intsz, size_t intcnt,  in zap_add()  argument
142 	ent->hash = zap_hash(zap->hashsalt, ent->name);  in zap_add()
155 	zap->kvpcnt++;  in zap_add()
156 	zap->chunks += zap_entry_chunks(ent);  in zap_add()
157 	STAILQ_INSERT_TAIL(&zap->kvps, ent, next);  in zap_add()
159 	if (zap->micro && (intcnt != 1 || intsz != sizeof(uint64_t) ||  in zap_add()
160 	    strlen(name) + 1 > MZAP_NAME_LEN || zap->kvpcnt > MZAP_ENT_MAX))  in zap_add()
161 		zap->micro = false;  in zap_add()
165 zap_add_uint64(zfs_zap_t *zap, const char *name, uint64_t val)  in zap_add_uint64()  argument
167 	zap_add(zap, name, sizeof(uint64_t), 1, (uint8_t *)&val);  in zap_add_uint64()
171 zap_add_uint64_self(zfs_zap_t *zap, uint64_t val)  in zap_add_uint64_self()  argument
176 	zap_add(zap, name, sizeof(uint64_t), 1, (uint8_t *)&val);  in zap_add_uint64_self()
180 zap_add_string(zfs_zap_t *zap, const char *name, const char *val)  in zap_add_string()  argument
182 	zap_add(zap, name, 1, strlen(val) + 1, (const uint8_t *)val);  in zap_add_string()
186 zap_entry_exists(zfs_zap_t *zap, const char *name)  in zap_entry_exists()  argument
190 	STAILQ_FOREACH(ent, &zap->kvps, next) {  in zap_entry_exists()
198 zap_micro_write(zfs_opt_t *zfs, zfs_zap_t *zap)  in zap_micro_write()  argument
208 	    "micro ZAP collision differentiator must fit in 16 bits");  in zap_micro_write()
213 	mzap->mz_salt = zap->hashsalt;  in zap_micro_write()
216 	bytes = sizeof(*mzap) + (zap->kvpcnt - 1) * sizeof(*ment);  in zap_micro_write()
221 	STAILQ_FOREACH(ent, &zap->kvps, next) {  in zap_micro_write()
229 	loc = objset_space_alloc(zfs, zap->os, &bytes);  in zap_micro_write()
231 	dnode = zap->dnode;  in zap_micro_write()
239  * Write some data to the fat ZAP leaf chunk starting at index "li".
271 zap_fat_write_prefixlen(zfs_zap_t *zap, zap_leaf_t *l)  in zap_fat_write_prefixlen()  argument
276 	if (zap->chunks <= ZAP_LEAF_NUMCHUNKS(l)) {  in zap_fat_write_prefixlen()
287 		STAILQ_FOREACH(ent, &zap->kvps, next) {  in zap_fat_write_prefixlen()
322  * Initialize a fat ZAP leaf block.
356 zap_fat_write(zfs_opt_t *zfs, zfs_zap_t *zap)  in zap_fat_write()  argument
389 	zaphdr->zap_num_entries = zap->kvpcnt;  in zap_fat_write()
390 	zaphdr->zap_salt = zap->hashsalt;  in zap_fat_write()
406 	prefixlen = zap_fat_write_prefixlen(zap, &l);  in zap_fat_write()
422 	STAILQ_FOREACH(ent, &zap->kvps, next) {  in zap_fat_write()
524 	dnode = zap->dnode;  in zap_fat_write()
528 	c = dnode_cursor_init(zfs, zap->os, zap->dnode,  in zap_fat_write()
531 	loc = objset_space_alloc(zfs, zap->os, &blksz);  in zap_fat_write()
536 		loc = objset_space_alloc(zfs, zap->os, &blksz);  in zap_fat_write()
547 zap_write(zfs_opt_t *zfs, zfs_zap_t *zap)  in zap_write()  argument
551 	if (zap->micro) {  in zap_write()
552 		zap_micro_write(zfs, zap);  in zap_write()
554 		assert(!STAILQ_EMPTY(&zap->kvps));  in zap_write()
555 		assert(zap->kvpcnt > 0);  in zap_write()
556 		zap_fat_write(zfs, zap);  in zap_write()
559 	while ((ent = STAILQ_FIRST(&zap->kvps)) != NULL) {  in zap_write()
560 		STAILQ_REMOVE_HEAD(&zap->kvps, next);  in zap_write()
566 	free(zap);  in zap_write()