[S390] dasd: add High Performance FICON support

[pandora-kernel.git] / drivers / s390 / block / dasd_alias.c

diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c
index 20676cd..219bee7 100644 (file)
--- a/drivers/s390/block/dasd_alias.c
+++ b/drivers/s390/block/dasd_alias.c
@@ -646,14 +646,16 @@ static int reset_summary_unit_check(struct alias_lcu *lcu,
 {
        struct dasd_ccw_req *cqr;
        int rc = 0;
+       struct ccw1 *ccw;
 
        cqr = lcu->rsu_cqr;
        strncpy((char *) &cqr->magic, "ECKD", 4);
        ASCEBC((char *) &cqr->magic, 4);
-       cqr->cpaddr->cmd_code = DASD_ECKD_CCW_RSCK;
-       cqr->cpaddr->flags = 0 ;
-       cqr->cpaddr->count = 16;
-       cqr->cpaddr->cda = (__u32)(addr_t) cqr->data;
+       ccw = cqr->cpaddr;
+       ccw->cmd_code = DASD_ECKD_CCW_RSCK;
+       ccw->flags = 0 ;
+       ccw->count = 16;
+       ccw->cda = (__u32)(addr_t) cqr->data;
        ((char *)cqr->data)[0] = reason;
 
        clear_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags);
@@ -855,12 +857,21 @@ void dasd_alias_handle_summary_unit_check(struct dasd_device *device,
        struct alias_lcu *lcu;
        char reason;
        struct dasd_eckd_private *private;
+       char *sense;
 
        private = (struct dasd_eckd_private *) device->private;
 
-       reason = irb->ecw[8];
-       DEV_MESSAGE(KERN_WARNING, device, "%s %x",
-                   "eckd handle summary unit check: reason", reason);
+       sense = dasd_get_sense(irb);
+       if (sense) {
+               reason = sense[8];
+               DBF_DEV_EVENT(DBF_NOTICE, device, "%s %x",
+                           "eckd handle summary unit check: reason", reason);
+       } else {
+               DBF_DEV_EVENT(DBF_WARNING, device, "%s",
+                           "eckd handle summary unit check:"
+                           " no reason code available");
+               return;
+       }
 
        lcu = private->lcu;
        if (!lcu) {