scsi: Push down BKL into ioctl functions

Push down the bkl into ioctl functions on the scsi layer.

[jkacur: Forward declaration missing ';'.
Conflicting declaraction in megaraid.h changed
Fixed missing inodes declarations]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: John Kacur <jkacur@redhat.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 4bf7edc..0b6e322 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -91,12 +91,15 @@
 /* For controller re-ordering */
 static struct mega_hbas mega_hbas[MAX_CONTROLLERS];
 
+static long
+megadev_unlocked_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
+
 /*
  * The File Operations structure for the serial/ioctl interface of the driver
  */
 static const struct file_operations megadev_fops = {
 	.owner		= THIS_MODULE,
-	.ioctl		= megadev_ioctl,
+	.unlocked_ioctl	= megadev_unlocked_ioctl,
 	.open		= megadev_open,
 };
 
@@ -3302,8 +3305,7 @@
  * controller.
  */
 static int
-megadev_ioctl(struct inode *inode, struct file *filep, unsigned int cmd,
-		unsigned long arg)
+megadev_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
 {
 	adapter_t	*adapter;
 	nitioctl_t	uioc;
@@ -3694,6 +3696,18 @@
 	return 0;
 }
 
+static long
+megadev_unlocked_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
+{
+	int ret;
+
+	lock_kernel();
+	ret = megadev_ioctl(filep, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
 /**
  * mega_m_to_n()
  * @arg - user address