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Message-ID: <20061004180046.GK26756@skybase> Date: Wed, 4 Oct 2006 20:00:46 +0200 From: Martin Schwidefsky <schwidefsky@...ibm.com> To: linux-kernel@...r.kernel.org, peter.oberparleiter@...ibm.com Subject: [S390] cio: improve unit check handling for internal operations From: Peter Oberparleiter <peter.oberparleiter@...ibm.com> [S390] cio: improve unit check handling for internal operations Retry internal operation after unit check instead of aborting them. Signed-off-by: Peter Oberparleiter <peter.oberparleiter@...ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@...ibm.com> --- drivers/s390/cio/device_ops.c | 8 ++++---- 1 files changed, 4 insertions(+), 4 deletions(-) diff -urpN linux-2.6/drivers/s390/cio/device_ops.c linux-2.6-patched/drivers/s390/cio/device_ops.c --- linux-2.6/drivers/s390/cio/device_ops.c 2006-10-04 19:53:54.000000000 +0200 +++ linux-2.6-patched/drivers/s390/cio/device_ops.c 2006-10-04 19:53:54.000000000 +0200 @@ -288,10 +288,10 @@ ccw_device_wake_up(struct ccw_device *cd if (cdev->private->flags.doverify || cdev->private->state == DEV_STATE_VERIFY) cdev->private->intparm = -EAGAIN; - if ((irb->scsw.dstat & DEV_STAT_UNIT_CHECK) && - !(irb->ecw[0] & - (SNS0_CMD_REJECT | SNS0_INTERVENTION_REQ))) - cdev->private->intparm = -EAGAIN; + else if ((irb->scsw.dstat & DEV_STAT_UNIT_CHECK) && + !(irb->ecw[0] & + (SNS0_CMD_REJECT | SNS0_INTERVENTION_REQ))) + cdev->private->intparm = -EAGAIN; else if ((irb->scsw.dstat & DEV_STAT_ATTENTION) && (irb->scsw.dstat & DEV_STAT_DEV_END) && (irb->scsw.dstat & DEV_STAT_UNIT_EXCEP)) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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