From: Timo Sirainen <tss@iki.fi>
Date: Tue, 30 Aug 2011 01:31:00 +0000 (+0300)
Subject: lib-index: Added mail_cache_view_update_cache_decisions()
X-Git-Tag: 2.1.alpha1~36
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8fa86f7ef06aa6cf0239c7ca2eb98889691d40d4;p=thirdparty%2Fdovecot%2Fcore.git

lib-index: Added mail_cache_view_update_cache_decisions()
---

diff --git a/src/lib-index/mail-cache-decisions.c b/src/lib-index/mail-cache-decisions.c
index 5273fc12b3..9f454d9162 100644
--- a/src/lib-index/mail-cache-decisions.c
+++ b/src/lib-index/mail-cache-decisions.c
@@ -79,6 +79,9 @@ void mail_cache_decision_state_update(struct mail_cache_view *view,
 
 	i_assert(field < cache->fields_count);
 
+	if (view->no_decision_updates)
+		return;
+
 	mail_index_lookup_uid(view->view, seq, &uid);
 	hdr = mail_index_get_header(view->view);
 
@@ -124,7 +127,7 @@ void mail_cache_decision_add(struct mail_cache_view *view, uint32_t seq,
 
 	i_assert(field < cache->fields_count);
 
-	if (MAIL_CACHE_IS_UNUSABLE(cache))
+	if (MAIL_CACHE_IS_UNUSABLE(cache) || view->no_decision_updates)
 		return;
 
 	if (cache->fields[field].field.decision != MAIL_CACHE_DECISION_NO) {
diff --git a/src/lib-index/mail-cache-private.h b/src/lib-index/mail-cache-private.h
index 4ea905079b..97c60d77d2 100644
--- a/src/lib-index/mail-cache-private.h
+++ b/src/lib-index/mail-cache-private.h
@@ -198,6 +198,8 @@ struct mail_cache_view {
 	buffer_t *cached_exists_buf;
 	uint8_t cached_exists_value;
 	uint32_t cached_exists_seq;
+
+	unsigned int no_decision_updates:1;
 };
 
 struct mail_cache_iterate_field {
diff --git a/src/lib-index/mail-cache.c b/src/lib-index/mail-cache.c
index 5964d9b634..bca893bddb 100644
--- a/src/lib-index/mail-cache.c
+++ b/src/lib-index/mail-cache.c
@@ -714,6 +714,12 @@ void mail_cache_view_close(struct mail_cache_view *view)
 	i_free(view);
 }
 
+void mail_cache_view_update_cache_decisions(struct mail_cache_view *view,
+					    bool update)
+{
+	view->no_decision_updates = !update;
+}
+
 uint32_t mail_cache_get_first_new_seq(struct mail_index_view *view)
 {
 	const struct mail_index_header *idx_hdr;
diff --git a/src/lib-index/mail-cache.h b/src/lib-index/mail-cache.h
index da48db7da3..e9c3f7d9e0 100644
--- a/src/lib-index/mail-cache.h
+++ b/src/lib-index/mail-cache.h
@@ -71,6 +71,11 @@ struct mail_cache_view *
 mail_cache_view_open(struct mail_cache *cache, struct mail_index_view *iview);
 void mail_cache_view_close(struct mail_cache_view *view);
 
+/* Normally cache decisions are updated on lookup/add. Use this function to
+   enable/disable this (useful for precaching data). */
+void mail_cache_view_update_cache_decisions(struct mail_cache_view *view,
+					    bool update);
+
 /* Get index transaction specific cache transaction. */
 struct mail_cache_transaction_ctx *
 mail_cache_get_transaction(struct mail_cache_view *view,