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[S390] cio async subchannel reprobe.

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Changes in the DASD driver require an asynchronous implementation of the
subchannel reprobe loop. This loop was so far only used by the blacklisting
mechanism but is now available to all CCW device drivers.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Peter Oberparleiter
2006-06-29 14:57:03 +02:00
committed by Martin Schwidefsky
parent 887ab59929
commit 40154b8243
5 changed files with 74 additions and 36 deletions
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6
drivers/s390/cio/device.h
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@@ -1,6 +1,10 @@
#ifndef S390_DEVICE_H
#define S390_DEVICE_H
#include <asm/ccwdev.h>
#include <asm/atomic.h>
#include <linux/wait.h>
/*
* states of the device statemachine
*/
@@ -67,6 +71,8 @@ dev_fsm_final_state(struct ccw_device *cdev)
extern struct workqueue_struct *ccw_device_work;
extern struct workqueue_struct *ccw_device_notify_work;
extern wait_queue_head_t ccw_device_init_wq;
extern atomic_t ccw_device_init_count;
void io_subchannel_recog_done(struct ccw_device *cdev);