[PATCH] drivers/scsi/BusLogic.c: use time_after

From: Marcelo Feitoza Parisi <marcelo@feitoza.com.br>

It deals with wrapping correctly and is nicer to read.

Signed-off-by: Marcelo Feitoza Parisi <marcelo@feitoza.com.br>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>

Index: linux-kj/drivers/scsi/BusLogic.c
===================================================================
--- linux-kj.orig/drivers/scsi/BusLogic.c	2005-12-05 13:18:00.000000000 +0300
+++ linux-kj/drivers/scsi/BusLogic.c	2005-12-05 13:19:15.000000000 +0300
@@ -41,6 +41,7 @@
 #include <linux/stat.h>
 #include <linux/pci.h>
 #include <linux/spinlock.h>
+#include <linux/jiffies.h>
 #include <scsi/scsicam.h>
 
 #include <asm/dma.h>
@@ -2895,7 +2896,7 @@ static int BusLogic_QueueCommand(struct 
 		 */
 		if (HostAdapter->ActiveCommands[TargetID] == 0)
 			HostAdapter->LastSequencePoint[TargetID] = jiffies;
-		else if (jiffies - HostAdapter->LastSequencePoint[TargetID] > 4 * HZ) {
+		else if (time_after(jiffies, HostAdapter->LastSequencePoint[TargetID] + 4 * HZ)) {
 			HostAdapter->LastSequencePoint[TargetID] = jiffies;
 			QueueTag = BusLogic_OrderedQueueTag;
 		}