linux-kernel - [PATCH 34/49] Staging: hv: vmbus: Embed the state needed to close the channel

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Date:	Mon,  6 Jun 2011 15:49:58 -0700
From:	"K. Y. Srinivasan" <kys@...rosoft.com>
To:	gregkh@...e.de, linux-kernel@...r.kernel.org,
	devel@...uxdriverproject.org, virtualization@...ts.osdl.org
Cc:	"K. Y. Srinivasan" <kys@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	Abhishek Kane <v-abkane@...rosoft.com>
Subject: [PATCH 34/49] 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@...rosoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
Signed-off-by: Abhishek Kane <v-abkane@...rosoft.com>
---
 drivers/staging/hv/hyperv.h |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/drivers/staging/hv/hyperv.h b/drivers/staging/hv/hyperv.h
index 93bbeab..1747a24 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; */
 
-- 
1.7.4.1

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