dovecot-2.2: replication plugin: Use low priority for mail copyi...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.2/rev/c373aa97644c
changeset: 17980:c373aa97644c
user:      Timo Sirainen <tss at iki.fi>
date:      Wed Oct 22 14:15:23 2014 -0700
description:
replication plugin: Use low priority for mail copying operations.

diffstat:

 src/plugins/replication/replication-plugin.c |  13 ++++++++++---
 1 files changed, 10 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 07c709075598 -r c373aa97644c src/plugins/replication/replication-plugin.c
--- a/src/plugins/replication/replication-plugin.c	Wed Oct 22 05:40:44 2014 +0300
+++ b/src/plugins/replication/replication-plugin.c	Wed Oct 22 14:15:23 2014 -0700
@@ -228,13 +228,20 @@
 	ctx->new_messages = TRUE;
 }
 
-static void replication_mail_copy(void *txn, struct mail *src ATTR_UNUSED,
-				  struct mail *dst ATTR_UNUSED)
+static void replication_mail_copy(void *txn, struct mail *src,
+				  struct mail *dst)
 {
 	struct replication_mail_txn_context *ctx =
 		(struct replication_mail_txn_context *)txn;
 
-	ctx->new_messages = TRUE;
+	if (src->box->storage != dst->box->storage) {
+		/* copy between storages, e.g. new mail delivery */
+		ctx->new_messages = TRUE;
+	} else {
+		/* copy within storage, which isn't as high priority since the
+		   mail already exists. and especially copies to Trash or to
+		   lazy-expunge namespace is pretty low priority. */
+	}
 }
 
 static void