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Diffstat (limited to 'drivers/s390/cio/device.h')
-rw-r--r--drivers/s390/cio/device.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h
index 0b7245c..179824b 100644
--- a/drivers/s390/cio/device.h
+++ b/drivers/s390/cio/device.h
@@ -5,6 +5,7 @@
#include <linux/atomic.h>
#include <linux/wait.h>
#include <linux/notifier.h>
+#include <linux/kernel_stat.h>
#include "io_sch.h"
/*
@@ -56,7 +57,17 @@ extern fsm_func_t *dev_jumptable[NR_DEV_STATES][NR_DEV_EVENTS];
static inline void
dev_fsm_event(struct ccw_device *cdev, enum dev_event dev_event)
{
- dev_jumptable[cdev->private->state][dev_event](cdev, dev_event);
+ int state = cdev->private->state;
+
+ if (dev_event == DEV_EVENT_INTERRUPT) {
+ if (state == DEV_STATE_ONLINE)
+ kstat_cpu(smp_processor_id()).
+ irqs[cdev->private->int_class]++;
+ else if (state != DEV_STATE_CMFCHANGE &&
+ state != DEV_STATE_CMFUPDATE)
+ kstat_cpu(smp_processor_id()).irqs[IOINT_CIO]++;
+ }
+ dev_jumptable[state][dev_event](cdev, dev_event);
}
/*
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