From 7a6214887109eba5d2b0bd5371f15ff054248e7e Mon Sep 17 00:00:00 2001
From: Asias He <asias@redhat.com>
Date: Tue, 22 Jan 2013 11:20:25 +0800
Subject: [PATCH] --- yaml --- r: 358899 b: refs/heads/master c:
 765b34fdc1507add8fd6f1007410e7a375d0f89c h: refs/heads/master i:   358897:
 5bdd0ffc7c7822224336b415c7ed0cf57f7cfab5   358895:
 9ccb0048f5215f5a880b57817516db1237309a7a v: v3

---
 [refs]                          | 2 +-
 trunk/drivers/vhost/tcm_vhost.c | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index b3ba4ae39f52..4476cfc7d1e1 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9d6064a347a8e15451cbdf6286542d402c9da24c
+refs/heads/master: 765b34fdc1507add8fd6f1007410e7a375d0f89c
diff --git a/trunk/drivers/vhost/tcm_vhost.c b/trunk/drivers/vhost/tcm_vhost.c
index 77d760bb2e44..defc28595656 100644
--- a/trunk/drivers/vhost/tcm_vhost.c
+++ b/trunk/drivers/vhost/tcm_vhost.c
@@ -77,6 +77,12 @@ static struct workqueue_struct *tcm_vhost_workqueue;
 static DEFINE_MUTEX(tcm_vhost_mutex);
 static LIST_HEAD(tcm_vhost_list);
 
+static int iov_num_pages(struct iovec *iov)
+{
+	return (PAGE_ALIGN((unsigned long)iov->iov_base + iov->iov_len) -
+	       ((unsigned long)iov->iov_base & PAGE_MASK)) >> PAGE_SHIFT;
+}
+
 static int tcm_vhost_check_true(struct se_portal_group *se_tpg)
 {
 	return 1;