From 4352ffa41cd4d30627d6ba41387a3ec6f0d2564f Mon Sep 17 00:00:00 2001
From: Asias He <asias.hejun@gmail.com>
Date: Wed, 18 May 2011 16:19:15 +0800
Subject: [PATCH] kvm tools: Print debug info for qcow1_nowrite_sector

Print debug info when we are in qcow1_nowrite_sector

Signed-off-by: Asias He <asias.hejun@gmail.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
---
 disk/qcow.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/disk/qcow.c b/disk/qcow.c
index dd11ed9..29964b9 100644
--- a/disk/qcow.c
+++ b/disk/qcow.c
@@ -323,6 +323,7 @@ static ssize_t qcow1_write_sector(struct disk_image *disk, u64 sector, void *src
 static ssize_t qcow1_nowrite_sector(struct disk_image *disk, u64 sector, void *src, u32 src_len)
 {
 	/* I/O error */
+	info("qcow1_nowrite_sector: no write support\n");
 	return -1;
 }