clean up unnecessary requirements in qpcache.c

qpcache can only support cache semantics now, so there's
no longer any need to check for that internally.

diff --git a/lib/dns/qpcache.c b/lib/dns/qpcache.c
index 7b3173f5388a382830f0487cfa2a19230eff340e..1af1c1e91e2ae1f708f2e6bba4512521d4fe29be 100644 (file)
--- a/lib/dns/qpcache.c
+++ b/lib/dns/qpcache.c
@@ -579,8 +579,6 @@ need_headerupdate(dns_slabheader_t *header, isc_stdtime_t now) {
  */
 static void
 update_header(dns_qpdb_t *qpdb, dns_slabheader_t *header, isc_stdtime_t now) {
-       INSIST(IS_CACHE(qpdb));
-
        /* To be checked: can we really assume this? XXXMLG */
        INSIST(ISC_LINK_LINKED(header, link));
 
@@ -1065,8 +1063,6 @@ expireheader(dns_slabheader_t *header, isc_rwlocktype_t *nlocktypep,
 
 static void
 update_cachestats(dns_qpdb_t *qpdb, isc_result_t result) {
-       INSIST(IS_CACHE(qpdb));
-
        if (qpdb->cachestats == NULL) {
                return;
        }
@@ -2373,7 +2369,6 @@ setcachestats(dns_db_t *db, isc_stats_t *stats) {
        dns_qpdb_t *qpdb = (dns_qpdb_t *)db;
 
        REQUIRE(VALID_QPDB(qpdb));
-       REQUIRE(IS_CACHE(qpdb)); /* current restriction */
        REQUIRE(stats != NULL);
 
        isc_stats_attach(stats, &qpdb->cachestats);
@@ -2385,7 +2380,6 @@ getrrsetstats(dns_db_t *db) {
        dns_qpdb_t *qpdb = (dns_qpdb_t *)db;
 
        REQUIRE(VALID_QPDB(qpdb));
-       REQUIRE(IS_CACHE(qpdb)); /* current restriction */
 
        return (qpdb->rrsetstats);
 }
@@ -2395,7 +2389,6 @@ setservestalettl(dns_db_t *db, dns_ttl_t ttl) {
        dns_qpdb_t *qpdb = (dns_qpdb_t *)db;
 
        REQUIRE(VALID_QPDB(qpdb));
-       REQUIRE(IS_CACHE(qpdb));
 
        /* currently no bounds checking.  0 means disable. */
        qpdb->common.serve_stale_ttl = ttl;
@@ -2407,7 +2400,6 @@ getservestalettl(dns_db_t *db, dns_ttl_t *ttl) {
        dns_qpdb_t *qpdb = (dns_qpdb_t *)db;
 
        REQUIRE(VALID_QPDB(qpdb));
-       REQUIRE(IS_CACHE(qpdb));
 
        *ttl = qpdb->common.serve_stale_ttl;
        return (ISC_R_SUCCESS);
@@ -2418,7 +2410,6 @@ setservestalerefresh(dns_db_t *db, uint32_t interval) {
        dns_qpdb_t *qpdb = (dns_qpdb_t *)db;
 
        REQUIRE(VALID_QPDB(qpdb));
-       REQUIRE(IS_CACHE(qpdb));
 
        /* currently no bounds checking.  0 means disable. */
        qpdb->serve_stale_refresh = interval;
@@ -2430,7 +2421,6 @@ getservestalerefresh(dns_db_t *db, uint32_t *interval) {
        dns_qpdb_t *qpdb = (dns_qpdb_t *)db;
 
        REQUIRE(VALID_QPDB(qpdb));
-       REQUIRE(IS_CACHE(qpdb));
 
        *interval = qpdb->serve_stale_refresh;
        return (ISC_R_SUCCESS);