lib-index: limit mail_index error prints to one per ioloop_time

This is to prevent log flooding.
dovecot · Sep 9, 2016 · 7963367 · 7963367
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commit 7963367
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/src/lib-index/mail-index-private.h b/src/lib-index/mail-index-private.h
@@ -215,6 +215,7 @@ struct mail_index {
 	ARRAY(union mail_index_module_context *) module_contexts;
 
 	char *error;
+	time_t last_error_time;
 	unsigned int nodiskspace:1;
 	unsigned int index_lock_timeout:1;
 

diff --git a/src/lib-index/mail-index.c b/src/lib-index/mail-index.c
@@ -753,7 +753,10 @@ void mail_index_set_error(struct mail_index *index, const char *fmt, ...)
 		index->error = i_strdup_vprintf(fmt, va);
 		va_end(va);
 
-		i_error("%s", index->error);
+		if (ioloop_time != index->last_error_time) {
+			index->last_error_time = ioloop_time;
+			i_error("%s", index->error);
+		}
 	}
 }