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[Qemu-block] [PATCH RFC 04/22] block/pcache: add pcache debug build


From: Pavel Butsykin
Subject: [Qemu-block] [PATCH RFC 04/22] block/pcache: add pcache debug build
Date: Thu, 25 Aug 2016 16:44:03 +0300

Signed-off-by: Pavel Butsykin <address@hidden>
---
 block/pcache.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/block/pcache.c b/block/pcache.c
index 74a4bc4..7f221d6 100644
--- a/block/pcache.c
+++ b/block/pcache.c
@@ -28,6 +28,15 @@
 #include "qapi/error.h"
 #include "qapi/qmp/qstring.h"
 
+#define PCACHE_DEBUG
+
+#ifdef PCACHE_DEBUG
+#define DPRINTF(fmt, ...) \
+        printf("%s:%s:%d "fmt, __FILE__, __func__, __LINE__, ## __VA_ARGS__)
+#else
+#define DPRINTF(fmt, ...) do { } while (0)
+#endif
+
 typedef struct PrefCacheAIOCB {
     BlockAIOCB common;
 
-- 
2.8.3




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