Merge branch 'omap4-i2c-init' into omap-for-linus

[pandora-kernel.git] / drivers / s390 / block / dasd_3990_erp.c

diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c
index 6632649..85bfd87 100644 (file)
--- a/drivers/s390/block/dasd_3990_erp.c
+++ b/drivers/s390/block/dasd_3990_erp.c
@@ -1418,9 +1418,29 @@ static struct dasd_ccw_req *dasd_3990_erp_inspect_alias(
                                                struct dasd_ccw_req *erp)
 {
        struct dasd_ccw_req *cqr = erp->refers;
+       char *sense;
 
        if (cqr->block &&
            (cqr->block->base != cqr->startdev)) {
+
+               sense = dasd_get_sense(&erp->refers->irb);
+               /*
+                * dynamic pav may have changed base alias mapping
+                */
+               if (!test_bit(DASD_FLAG_OFFLINE, &cqr->startdev->flags) && sense
+                   && (sense[0] == 0x10) && (sense[7] == 0x0F)
+                   && (sense[8] == 0x67)) {
+                       /*
+                        * remove device from alias handling to prevent new
+                        * requests from being scheduled on the
+                        * wrong alias device
+                        */
+                       dasd_alias_remove_device(cqr->startdev);
+
+                       /* schedule worker to reload device */
+                       dasd_reload_device(cqr->startdev);
+               }
+
                if (cqr->startdev->features & DASD_FEATURE_ERPLOG) {
                        DBF_DEV_EVENT(DBF_ERR, cqr->startdev,
                                    "ERP on alias device for request %p,"