94 static int zap_shrink(zap_name_t *zn, zap_leaf_t *l, dmu_tx_t *tx);
710 zap_expand_leaf(zap_name_t *zn, zap_leaf_t *l,  in zap_expand_leaf()  argument
713 	zap_t *zap = zn->zn_zap;  in zap_expand_leaf()
714 	uint64_t hash = zn->zn_hash;  in zap_expand_leaf()
734 		    FALSE, FALSE, tag, &zn->zn_zap);  in zap_expand_leaf()
735 		zap = zn->zn_zap;  in zap_expand_leaf()
800 zap_put_leaf_maybe_grow_ptrtbl(zap_name_t *zn, zap_leaf_t *l,  in zap_put_leaf_maybe_grow_ptrtbl()  argument
803 	zap_t *zap = zn->zn_zap;  in zap_put_leaf_maybe_grow_ptrtbl()
821 			    RW_WRITER, FALSE, FALSE, tag, &zn->zn_zap);  in zap_put_leaf_maybe_grow_ptrtbl()
822 			zap = zn->zn_zap;  in zap_put_leaf_maybe_grow_ptrtbl()
834 fzap_checkname(zap_name_t *zn)  in fzap_checkname()  argument
836 	uint32_t maxnamelen = zn->zn_normbuf_len;  in fzap_checkname()
837 	uint64_t len = (uint64_t)zn->zn_key_orig_numints * zn->zn_key_intlen;  in fzap_checkname()
841 	    zn->zn_zap->zap_dnode->dn_type != DMU_OT_DIRECTORY_CONTENTS))  in fzap_checkname()
867 fzap_check(zap_name_t *zn, uint64_t integer_size, uint64_t num_integers)  in fzap_check()  argument
869 	int err = fzap_checkname(zn);  in fzap_check()
879 fzap_lookup(zap_name_t *zn,  in fzap_lookup()  argument
886 	int err = fzap_checkname(zn);  in fzap_lookup()
890 	err = zap_deref_leaf(zn->zn_zap, zn->zn_hash, NULL, RW_READER, &l);  in fzap_lookup()
893 	err = zap_leaf_lookup(l, zn, &zeh);  in fzap_lookup()
901 		(void) zap_entry_read_name(zn->zn_zap, &zeh, rn_len, realname);  in fzap_lookup()
904 			    zn, NULL, zn->zn_zap);  in fzap_lookup()
913 fzap_add_cd(zap_name_t *zn,  in fzap_add_cd()  argument
920 	zap_t *zap = zn->zn_zap;  in fzap_add_cd()
924 	ASSERT(fzap_check(zn, integer_size, num_integers) == 0);  in fzap_add_cd()
926 	err = zap_deref_leaf(zap, zn->zn_hash, tx, RW_WRITER, &l);  in fzap_add_cd()
930 	err = zap_leaf_lookup(l, zn, &zeh);  in fzap_add_cd()
938 	err = zap_entry_create(l, zn, cd,  in fzap_add_cd()
944 		err = zap_expand_leaf(zn, l, tag, tx, &l);  in fzap_add_cd()
945 		zap = zn->zn_zap;	/* zap_expand_leaf() may change zap */  in fzap_add_cd()
955 			zap_put_leaf_maybe_grow_ptrtbl(zn, l, tag, tx);  in fzap_add_cd()
961 fzap_add(zap_name_t *zn,  in fzap_add()  argument
965 	int err = fzap_check(zn, integer_size, num_integers);  in fzap_add()
969 	return (fzap_add_cd(zn, integer_size, num_integers,  in fzap_add()
974 fzap_update(zap_name_t *zn,  in fzap_update()  argument
982 	zap_t *zap = zn->zn_zap;  in fzap_update()
985 	err = fzap_check(zn, integer_size, num_integers);  in fzap_update()
989 	err = zap_deref_leaf(zap, zn->zn_hash, tx, RW_WRITER, &l);  in fzap_update()
993 	err = zap_leaf_lookup(l, zn, &zeh);  in fzap_update()
998 		err = zap_entry_create(l, zn, ZAP_NEED_CD,  in fzap_update()
1007 		err = zap_expand_leaf(zn, l, tag, tx, &l);  in fzap_update()
1008 		zap = zn->zn_zap;	/* zap_expand_leaf() may change zap */  in fzap_update()
1017 			zap_put_leaf_maybe_grow_ptrtbl(zn, l, tag, tx);  in fzap_update()
1023 fzap_length(zap_name_t *zn,  in fzap_length()  argument
1030 	err = zap_deref_leaf(zn->zn_zap, zn->zn_hash, NULL, RW_READER, &l);  in fzap_length()
1033 	err = zap_leaf_lookup(l, zn, &zeh);  in fzap_length()
1047 fzap_remove(zap_name_t *zn, dmu_tx_t *tx)  in fzap_remove()  argument
1053 	err = zap_deref_leaf(zn->zn_zap, zn->zn_hash, tx, RW_WRITER, &l);  in fzap_remove()
1056 	err = zap_leaf_lookup(l, zn, &zeh);  in fzap_remove()
1059 		zap_increment_num_entries(zn->zn_zap, -1, tx);  in fzap_remove()
1063 			return (zap_shrink(zn, l, tx));  in fzap_remove()
1070 fzap_prefetch(zap_name_t *zn)  in fzap_prefetch()  argument
1073 	zap_t *zap = zn->zn_zap;  in fzap_prefetch()
1075 	uint64_t idx = ZAP_HASH_IDX(zn->zn_hash,  in fzap_prefetch()
1539 zap_shrink(zap_name_t *zn, zap_leaf_t *l, dmu_tx_t *tx)  in zap_shrink()  argument
1541 	zap_t *zap = zn->zn_zap;  in zap_shrink()
1543 	uint64_t hash = zn->zn_hash;  in zap_shrink()