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File _service:tar_scm_kernel_repo:backport-0012-Separate-the-locked-parts-of-dns_zone_catz_enable-di.patch of Package bind
From 885e44650b547cff88095d01769e303474582612 Mon Sep 17 00:00:00 2001 From: Aram Sargsyan <aram@isc.org> Date: Wed, 5 Jan 2022 09:38:36 +0000 Subject: [PATCH] Separate the locked parts of dns_zone_catz_enable/disable functions Separate the locked parts of dns_zone_catz_enable() and dns_zone_catz_disable() functions into static functions. This will let us perform those tasks from the other parts of the module while the zone is locked, avoiding one pair of additional unlocking and locking operations. (cherry picked from commit 6b937ed5f67a13cf6ad6249380073a6e647d7897) Conflict: NA Reference: https://gitlab.isc.org/isc-projects/bind9/-/commit/885e44650b547cff88095d01769e303474582612 --- lib/dns/zone.c | 28 +++++++++++++++++++++++----- 1 file changed, 23 insertions(+), 5 deletions(-) diff --git a/lib/dns/zone.c b/lib/dns/zone.c index 2faf12519e..9205271574 100644 --- a/lib/dns/zone.c +++ b/lib/dns/zone.c @@ -871,6 +871,10 @@ static inline void zone_attachdb(dns_zone_t *zone, dns_db_t *db); static inline void zone_detachdb(dns_zone_t *zone); +static void +zone_catz_enable(dns_zone_t *zone, dns_catz_zones_t *catzs); +static void +zone_catz_disable(dns_zone_t *zone); static isc_result_t default_journal(dns_zone_t *zone); static void @@ -1930,28 +1934,42 @@ dns_zone_rpz_disable_db(dns_zone_t *zone, dns_db_t *db) { zone->rpzs->zones[zone->rpz_num]); } -void -dns_zone_catz_enable(dns_zone_t *zone, dns_catz_zones_t *catzs) { +static void +zone_catz_enable(dns_zone_t *zone, dns_catz_zones_t *catzs) { REQUIRE(DNS_ZONE_VALID(zone)); REQUIRE(catzs != NULL); - LOCK_ZONE(zone); INSIST(zone->catzs == NULL || zone->catzs == catzs); dns_catz_catzs_set_view(catzs, zone->view); if (zone->catzs == NULL) { dns_catz_catzs_attach(catzs, &zone->catzs); } - UNLOCK_ZONE(zone); } void -dns_zone_catz_disable(dns_zone_t *zone) { +dns_zone_catz_enable(dns_zone_t *zone, dns_catz_zones_t *catzs) { REQUIRE(DNS_ZONE_VALID(zone)); LOCK_ZONE(zone); + zone_catz_enable(zone, catzs); + UNLOCK_ZONE(zone); +} + +static void +zone_catz_disable(dns_zone_t *zone) { + REQUIRE(DNS_ZONE_VALID(zone)); + if (zone->catzs != NULL) { dns_catz_catzs_detach(&zone->catzs); } +} + +void +dns_zone_catz_disable(dns_zone_t *zone) { + REQUIRE(DNS_ZONE_VALID(zone)); + + LOCK_ZONE(zone); + zone_catz_disable(zone); UNLOCK_ZONE(zone); } -- 2.27.0
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