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[S390] cio: Use path verification to check for path state.

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After I/O has been killed by the common I/O layer, trigger path
verification which will queue cio_device_nopath_notify itself if it
finds a device to be without paths.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Cornelia Huck 2007-03-05 23:35:59 +01:00 committed by Martin Schwidefsky
parent ee04bbccde
commit 7c8427c3fa
1 changed files with 6 additions and 40 deletions
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46
drivers/s390/cio/device_fsm.c
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@ -996,18 +996,12 @@ ccw_device_killing_irq(struct ccw_device *cdev, enum dev_event dev_event)
sch = to_subchannel(cdev->dev.parent);
ccw_device_set_timeout(cdev, 0);
/* Start delayed path verification. */
ccw_device_online_verify(cdev, 0);
/* OK, i/o is dead now. Call interrupt handler. */
cdev->private->state = DEV_STATE_ONLINE;
if (cdev->handler)
cdev->handler(cdev, cdev->private->intparm,
ERR_PTR(-EIO));
if (!sch->lpm) {
PREPARE_WORK(&cdev->private->kick_work,
ccw_device_nopath_notify);
queue_work(ccw_device_notify_work, &cdev->private->kick_work);
} else if (cdev->private->flags.doverify)
/* Start delayed path verification. */
ccw_device_online_verify(cdev, 0);
}
static void
@ -1020,21 +1014,8 @@ ccw_device_killing_timeout(struct ccw_device *cdev, enum dev_event dev_event)
ccw_device_set_timeout(cdev, 3*HZ);
return;
}
if (ret == -ENODEV) {
struct subchannel *sch;
sch = to_subchannel(cdev->dev.parent);
if (!sch->lpm) {
PREPARE_WORK(&cdev->private->kick_work,
ccw_device_nopath_notify);
queue_work(ccw_device_notify_work,
&cdev->private->kick_work);
} else
dev_fsm_event(cdev, DEV_EVENT_NOTOPER);
return;
}
//FIXME: Can we get here?
cdev->private->state = DEV_STATE_ONLINE;
/* Start delayed path verification. */
ccw_device_online_verify(cdev, 0);
if (cdev->handler)
cdev->handler(cdev, cdev->private->intparm,
ERR_PTR(-EIO));
@ -1052,26 +1033,11 @@ void device_kill_io(struct subchannel *sch)
cdev->private->state = DEV_STATE_TIMEOUT_KILL;
return;
}
if (ret == -ENODEV) {
if (!sch->lpm) {
PREPARE_WORK(&cdev->private->kick_work,
ccw_device_nopath_notify);
queue_work(ccw_device_notify_work,
&cdev->private->kick_work);
} else
dev_fsm_event(cdev, DEV_EVENT_NOTOPER);
return;
}
/* Start delayed path verification. */
ccw_device_online_verify(cdev, 0);
if (cdev->handler)
cdev->handler(cdev, cdev->private->intparm,
ERR_PTR(-EIO));
if (!sch->lpm) {
PREPARE_WORK(&cdev->private->kick_work,
ccw_device_nopath_notify);
queue_work(ccw_device_notify_work, &cdev->private->kick_work);
} else
/* Start delayed path verification. */
ccw_device_online_verify(cdev, 0);
}
static void