dovecot-2.2: lib-index: Don't unnecessarily update dovecot.index...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.2/rev/76f576fc28dc
changeset: 15905:76f576fc28dc
user:      Timo Sirainen <tss at iki.fi>
date:      Sun Feb 24 10:49:38 2013 +0200
description:
lib-index: Don't unnecessarily update dovecot.index again after log rotation.

diffstat:

 src/lib-index/mail-index-sync.c |  5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diffs (15 lines):

diff -r d3cf06639864 -r 76f576fc28dc src/lib-index/mail-index-sync.c
--- a/src/lib-index/mail-index-sync.c	Sun Feb 24 09:16:31 2013 +0200
+++ b/src/lib-index/mail-index-sync.c	Sun Feb 24 10:49:38 2013 +0200
@@ -760,6 +760,11 @@
 {
 	uint32_t log_diff;
 
+	if (index->last_read_log_file_seq != index->map->hdr.log_file_seq) {
+		/* we recently just rotated the log and rewrote index */
+		return FALSE;
+	}
+
 	log_diff = index->map->hdr.log_file_tail_offset -
 		index->last_read_log_file_tail_offset;
 	if (log_diff > MAIL_INDEX_MAX_WRITE_BYTES ||