232  * Write some data to the fat ZAP leaf chunk starting at index "li".
259  * overflowing a leaf block.  This is not (space) optimal, but is simple, and
260  * directories large enough to overflow a single 128KB leaf block are uncommon.
270 		 * All chunks will fit in a single leaf block.  in zap_fat_write_prefixlen()
314  * Initialize a fat ZAP leaf block.
319 	zap_leaf_phys_t *leaf;  in zap_fat_write_leaf_init()  local
321 	leaf = l->l_phys;  in zap_fat_write_leaf_init()
323 	leaf->l_hdr.lh_block_type = ZBT_LEAF;  in zap_fat_write_leaf_init()
324 	leaf->l_hdr.lh_magic = ZAP_LEAF_MAGIC;  in zap_fat_write_leaf_init()
325 	leaf->l_hdr.lh_nfree = ZAP_LEAF_NUMCHUNKS(l);  in zap_fat_write_leaf_init()
326 	leaf->l_hdr.lh_prefix = prefix;  in zap_fat_write_leaf_init()
327 	leaf->l_hdr.lh_prefix_len = prefixlen;  in zap_fat_write_leaf_init()
329 	/* Initialize the leaf hash table. */  in zap_fat_write_leaf_init()
330 	assert(leaf->l_hdr.lh_nfree < 0xffff);  in zap_fat_write_leaf_init()
331 	memset(leaf->l_hash, 0xff,  in zap_fat_write_leaf_init()
332 	    ZAP_LEAF_HASH_NUMENTRIES(l) * sizeof(*leaf->l_hash));  in zap_fat_write_leaf_init()
334 	/* Initialize the leaf chunks. */  in zap_fat_write_leaf_init()
395 	 * How many leaf blocks do we need?  Initialize them and update the  in zap_fat_write()
409 	 * For each entry, figure out which leaf block it belongs to based on  in zap_fat_write()
410 	 * the upper bits of its hash, allocate chunks from that leaf, and fill  in zap_fat_write()
429 		 * How many leaf chunks do we need for this entry?  in zap_fat_write()
437 		 * Allocate a run of free leaf chunks for this entry,  in zap_fat_write()
488 		 * Finally, write out the leaf chunks for this entry.  in zap_fat_write()