From patchwork Fri Jan 18 16:28:31 2013
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Subject: bdrv_co_flush_to_disk() don't flush as expected
Date: Fri, 18 Jan 2013 06:28:31 -0000
From: namei.unix@gmail.com
X-Patchwork-Id: 213671
Message-Id: <50F9782F.5090401@gmail.com>
To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: Kevin Wolf <kwolf@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>,
 qemu-devel <qemu-devel@nongnu.org>

On 01/18/2013 11:56 PM, Stefan Hajnoczi wrote:
> How are you checking that sd_co_flush_to_disk() is called?  Please
> post the diff.

Okay, this is where I added printf().

Yuan

     }


diff --git a/block/sheepdog.c b/block/sheepdog.c
index 3e49bb8..41edd46 100644
--- a/block/sheepdog.c
+++ b/block/sheepdog.c
@@ -1714,6 +1714,7 @@ static int coroutine_fn
sd_co_flush_to_disk(BlockDriverState *bs)
     AIOReq *aio_req;
     int ret;

+    printf("hello\n");
     if (s->cache_flags != SD_FLAG_CMD_CACHE) {
         return 0;