From 85cd65a6644a1ed1e75f14868f6b6e40983fdf8d Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Sat, 2 Feb 2013 21:28:52 +0900
Subject: [PATCH] Add debug log for aligned cache write
---
src/AbstractSingleDiskAdaptor.cc | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/AbstractSingleDiskAdaptor.cc b/src/AbstractSingleDiskAdaptor.cc
index f2ef963b..d36ac66c 100644
--- a/src/AbstractSingleDiskAdaptor.cc
+++ b/src/AbstractSingleDiskAdaptor.cc
@@ -105,6 +105,8 @@ void AbstractSingleDiskAdaptor::writeCache(const WrDiskCacheEntry* entry)
}
if(buflen == 0 && ((*i)->goff & 0xfff) == 0 && ((*i)->len & 0xfff) == 0) {
// Already aligned. Write it without copy.
+ A2_LOG_DEBUG(fmt("Cache flush goff=%"PRId64", len=%lu",
+ start, static_cast<unsigned long>((*i)->len)));
writeData((*i)->data + (*i)->offset, (*i)->len, start);
start += (*i)->len;
} else {