luck/tmp_suning_uos_patched
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[S390] Add timeouts during sense PGID, path verification and disband PGID.

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While the machine owns us an interrupt in these cases (and we should get
one), reality isn't always like that...

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 2006-10-04 20:02:02 +02:00 committed by Martin Schwidefsky
parent b05e370352
commit f1ee3281be
3 changed files with 13 additions and 0 deletions
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2
drivers/s390/cio/device_fsm.c
View File

@ -349,6 +349,8 @@ ccw_device_done(struct ccw_device *cdev, int state)
sch = to_subchannel(cdev->dev.parent);
ccw_device_set_timeout(cdev, 0);
if (state != DEV_STATE_ONLINE)
cio_disable_subchannel(sch);

3
drivers/s390/cio/device_ops.c
View File

@ -216,6 +216,9 @@ ccw_device_call_handler(struct ccw_device *cdev)
(stctl & SCSW_STCTL_PRIM_STATUS)))
return 0;
/* Clear pending timers for device driver initiated I/O. */
if (ending_status)
ccw_device_set_timeout(cdev, 0);
/*
* Now we are ready to call the device driver interrupt handler.
*/

8
drivers/s390/cio/device_pgid.c
View File

@ -96,6 +96,9 @@ ccw_device_sense_pgid_start(struct ccw_device *cdev)
{
int ret;
/* Set a timeout of 60s */
ccw_device_set_timeout(cdev, 60*HZ);
cdev->private->state = DEV_STATE_SENSE_PGID;
cdev->private->imask = 0x80;
cdev->private->iretry = 5;
@ -480,6 +483,8 @@ ccw_device_verify_start(struct ccw_device *cdev)
ccw_device_verify_done(cdev, -ENODEV);
return;
}
/* After 60s path verification is considered to have failed. */
ccw_device_set_timeout(cdev, 60*HZ);
__ccw_device_verify_start(cdev);
}
@ -554,6 +559,9 @@ ccw_device_disband_irq(struct ccw_device *cdev, enum dev_event dev_event)
void
ccw_device_disband_start(struct ccw_device *cdev)
{
/* After 60s disbanding is considered to have failed. */
ccw_device_set_timeout(cdev, 60*HZ);
cdev->private->flags.pgid_single = 0;
cdev->private->iretry = 5;
cdev->private->imask = 0x80;