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authorCornelia Huck <cornelia.huck@de.ibm.com>2006-06-29 15:03:35 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2006-06-29 15:03:35 +0200
commitb4f7b1ee577857aca467e6825122a3b29d6c3c0e (patch)
treebb17f4d6bea22b1d5a4c0a927c41f1ba782ef2ae /drivers/s390/cio/device_ops.c
parent3ee526841ba409f7b23f825f120772a79e7d7bd2 (diff)
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[S390] cio chpid offline.
After setting a path to a dasd offline at the SE, I/O hangs on that dasd for 5 minutes, then continues. I/O for which an interrupt will not be reported after the channel path has been disabled was not terminated by the common I/O layer, causing the dasd MIH to hit after 5 minutes. Be more aggressive in terminating I/O after setting a channel path offline. Also make sure to generate a fake irb if the device driver issues an I/O request after being notified of the killed I/O and clear residual information from the irb before trying to start the delayed verification. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/device_ops.c')
-rw-r--r--drivers/s390/cio/device_ops.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index 5c9904b418e1..b266ad8e14ff 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -78,7 +78,8 @@ ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa,
return -ENODEV;
if (cdev->private->state == DEV_STATE_NOT_OPER)
return -ENODEV;
- if (cdev->private->state == DEV_STATE_VERIFY) {
+ if (cdev->private->state == DEV_STATE_VERIFY ||
+ cdev->private->state == DEV_STATE_CLEAR_VERIFY) {
/* Remember to fake irb when finished. */
if (!cdev->private->flags.fake_irb) {
cdev->private->flags.fake_irb = 1;
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