From: K. Y. Srinivasan <kys@microsoft.com>
Date: Mon, 6 Jun 2011 22:49:58 +0000 (-0700)
Subject: Staging: hv: vmbus: Embed the state needed to close the channel
X-Git-Tag: next-20110726~5^2~568^2~48
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=f9f1db832b6d04303f443a7f941367355844678a;p=karo-tx-linux.git

Staging: hv: vmbus: Embed the state needed to close the channel

Now, embed the state needed to close the channel - so we would not have to
allocate memory in the channel close path.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/staging/hv/hyperv.h b/drivers/staging/hv/hyperv.h
index 93bbeab6d24d..1747a2404f6c 100644
--- a/drivers/staging/hv/hyperv.h
+++ b/drivers/staging/hv/hyperv.h
@@ -569,6 +569,11 @@ struct vmbus_channel_msginfo {
 	unsigned char msg[0];
 };
 
+struct vmbus_close_msg {
+	struct vmbus_channel_msginfo info;
+	struct vmbus_channel_close_channel msg;
+};
+
 struct vmbus_channel {
 	struct list_head listentry;
 
@@ -601,6 +606,8 @@ struct vmbus_channel {
 	spinlock_t inbound_lock;
 	struct workqueue_struct *controlwq;
 
+	struct vmbus_close_msg close_msg;
+
 	/* Channel callback are invoked in this workqueue context */
 	/* HANDLE dataWorkQueue; */