dovecot-2.1: mdbox: When mail's refcount is too high, don't prev...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.1/rev/f572fbafb445
changeset: 15006:f572fbafb445
user:      Timo Sirainen <tss at iki.fi>
date:      Sat Nov 02 12:25:09 2013 +0200
description:
mdbox: When mail's refcount is too high, don't prevent shrinking the refcount.

diffstat:

 src/lib-storage/index/dbox-multi/mdbox-map.c |  2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diffs (12 lines):

diff -r d16e212531ec -r f572fbafb445 src/lib-storage/index/dbox-multi/mdbox-map.c
--- a/src/lib-storage/index/dbox-multi/mdbox-map.c	Sat Oct 26 18:00:07 2013 +0300
+++ b/src/lib-storage/index/dbox-multi/mdbox-map.c	Sat Nov 02 12:25:09 2013 +0200
@@ -670,7 +670,7 @@
 					map_uid);
 		return -1;
 	}
-	if (old_diff + new_diff >= 32768) {
+	if (old_diff + new_diff >= 32768 && new_diff > 0) {
 		/* we're getting close to the 64k limit. fail early
 		   to make it less likely that two processes increase
 		   the refcount enough times to cross the limit */