From: Michael Ernst CCW_CMD_SUSPEND_RECONN causes a system hang if the cable of a reserved DASD is disconnected and connected again. Signed-off-by: Michael Ernst Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/device_pgid.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) Index: quilt-2.6/drivers/s390/cio/device_pgid.c =================================================================== --- quilt-2.6.orig/drivers/s390/cio/device_pgid.c +++ quilt-2.6/drivers/s390/cio/device_pgid.c @@ -243,16 +243,10 @@ __ccw_device_do_pgid(struct ccw_device * /* Setup sense path group id channel program. */ cdev->private->pgid[0].inf.fc = func; ccw = cdev->private->iccws; - if (!cdev->private->flags.pgid_single) { - cdev->private->pgid[0].inf.fc |= SPID_FUNC_MULTI_PATH; - ccw->cmd_code = CCW_CMD_SUSPEND_RECONN; - ccw->cda = 0; - ccw->count = 0; - ccw->flags = CCW_FLAG_SLI | CCW_FLAG_CC; - ccw++; - } else + if (cdev->private->flags.pgid_single) cdev->private->pgid[0].inf.fc |= SPID_FUNC_SINGLE_PATH; - + else + cdev->private->pgid[0].inf.fc |= SPID_FUNC_MULTI_PATH; ccw->cmd_code = CCW_CMD_SET_PGID; ccw->cda = (__u32) __pa (&cdev->private->pgid[0]); ccw->count = sizeof (struct pgid); -- blue skies, Martin. "Reality continues to ruin my life." - Calvin. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/