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-rw-r--r--drivers/s390/block/dasd.c30
-rw-r--r--drivers/s390/block/dasd_diag.c1
-rw-r--r--drivers/s390/block/dasd_eckd.c8
-rw-r--r--drivers/s390/block/dasd_int.h1
4 files changed, 31 insertions, 9 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 35f43bea5d07..442bb98a2821 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -851,8 +851,10 @@ int dasd_start_IO(struct dasd_ccw_req *cqr)
851 851
852 /* Check the cqr */ 852 /* Check the cqr */
853 rc = dasd_check_cqr(cqr); 853 rc = dasd_check_cqr(cqr);
854 if (rc) 854 if (rc) {
855 cqr->intrc = rc;
855 return rc; 856 return rc;
857 }
856 device = (struct dasd_device *) cqr->startdev; 858 device = (struct dasd_device *) cqr->startdev;
857 if (cqr->retries < 0) { 859 if (cqr->retries < 0) {
858 /* internal error 14 - start_IO run out of retries */ 860 /* internal error 14 - start_IO run out of retries */
@@ -915,6 +917,7 @@ int dasd_start_IO(struct dasd_ccw_req *cqr)
915 BUG(); 917 BUG();
916 break; 918 break;
917 } 919 }
920 cqr->intrc = rc;
918 return rc; 921 return rc;
919} 922}
920 923
@@ -1454,8 +1457,12 @@ int dasd_sleep_on(struct dasd_ccw_req *cqr)
1454 dasd_add_request_tail(cqr); 1457 dasd_add_request_tail(cqr);
1455 wait_event(generic_waitq, _wait_for_wakeup(cqr)); 1458 wait_event(generic_waitq, _wait_for_wakeup(cqr));
1456 1459
1457 /* Request status is either done or failed. */ 1460 if (cqr->status == DASD_CQR_DONE)
1458 rc = (cqr->status == DASD_CQR_DONE) ? 0 : -EIO; 1461 rc = 0;
1462 else if (cqr->intrc)
1463 rc = cqr->intrc;
1464 else
1465 rc = -EIO;
1459 return rc; 1466 return rc;
1460} 1467}
1461 1468
@@ -1477,8 +1484,15 @@ int dasd_sleep_on_interruptible(struct dasd_ccw_req *cqr)
1477 dasd_cancel_req(cqr); 1484 dasd_cancel_req(cqr);
1478 /* wait (non-interruptible) for final status */ 1485 /* wait (non-interruptible) for final status */
1479 wait_event(generic_waitq, _wait_for_wakeup(cqr)); 1486 wait_event(generic_waitq, _wait_for_wakeup(cqr));
1487 cqr->intrc = rc;
1480 } 1488 }
1481 rc = (cqr->status == DASD_CQR_DONE) ? 0 : -EIO; 1489
1490 if (cqr->status == DASD_CQR_DONE)
1491 rc = 0;
1492 else if (cqr->intrc)
1493 rc = cqr->intrc;
1494 else
1495 rc = -EIO;
1482 return rc; 1496 return rc;
1483} 1497}
1484 1498
@@ -1523,8 +1537,12 @@ int dasd_sleep_on_immediatly(struct dasd_ccw_req *cqr)
1523 1537
1524 wait_event(generic_waitq, _wait_for_wakeup(cqr)); 1538 wait_event(generic_waitq, _wait_for_wakeup(cqr));
1525 1539
1526 /* Request status is either done or failed. */ 1540 if (cqr->status == DASD_CQR_DONE)
1527 rc = (cqr->status == DASD_CQR_DONE) ? 0 : -EIO; 1541 rc = 0;
1542 else if (cqr->intrc)
1543 rc = cqr->intrc;
1544 else
1545 rc = -EIO;
1528 return rc; 1546 return rc;
1529} 1547}
1530 1548
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c
index 2efaddfae560..644086ba2ede 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -202,6 +202,7 @@ dasd_start_diag(struct dasd_ccw_req * cqr)
202 rc = -EIO; 202 rc = -EIO;
203 break; 203 break;
204 } 204 }
205 cqr->intrc = rc;
205 return rc; 206 return rc;
206} 207}
207 208
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 216c09bcd222..cf0cfdba1244 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -3017,8 +3017,9 @@ static void dasd_eckd_dump_sense_ccw(struct dasd_device *device,
3017 " I/O status report for device %s:\n", 3017 " I/O status report for device %s:\n",
3018 dev_name(&device->cdev->dev)); 3018 dev_name(&device->cdev->dev));
3019 len += sprintf(page + len, KERN_ERR PRINTK_HEADER 3019 len += sprintf(page + len, KERN_ERR PRINTK_HEADER
3020 " in req: %p CS: 0x%02X DS: 0x%02X\n", req, 3020 " in req: %p CS: 0x%02X DS: 0x%02X CC: 0x%02X RC: %d\n",
3021 scsw_cstat(&irb->scsw), scsw_dstat(&irb->scsw)); 3021 req, scsw_cstat(&irb->scsw), scsw_dstat(&irb->scsw),
3022 scsw_cc(&irb->scsw), req->intrc);
3022 len += sprintf(page + len, KERN_ERR PRINTK_HEADER 3023 len += sprintf(page + len, KERN_ERR PRINTK_HEADER
3023 " device %s: Failing CCW: %p\n", 3024 " device %s: Failing CCW: %p\n",
3024 dev_name(&device->cdev->dev), 3025 dev_name(&device->cdev->dev),
@@ -3119,9 +3120,10 @@ static void dasd_eckd_dump_sense_tcw(struct dasd_device *device,
3119 " I/O status report for device %s:\n", 3120 " I/O status report for device %s:\n",
3120 dev_name(&device->cdev->dev)); 3121 dev_name(&device->cdev->dev));
3121 len += sprintf(page + len, KERN_ERR PRINTK_HEADER 3122 len += sprintf(page + len, KERN_ERR PRINTK_HEADER
3122 " in req: %p CS: 0x%02X DS: 0x%02X " 3123 " in req: %p CS: 0x%02X DS: 0x%02X CC: 0x%02X RC: %d "
3123 "fcxs: 0x%02X schxs: 0x%02X\n", req, 3124 "fcxs: 0x%02X schxs: 0x%02X\n", req,
3124 scsw_cstat(&irb->scsw), scsw_dstat(&irb->scsw), 3125 scsw_cstat(&irb->scsw), scsw_dstat(&irb->scsw),
3126 scsw_cc(&irb->scsw), req->intrc,
3125 irb->scsw.tm.fcxs, irb->scsw.tm.schxs); 3127 irb->scsw.tm.fcxs, irb->scsw.tm.schxs);
3126 len += sprintf(page + len, KERN_ERR PRINTK_HEADER 3128 len += sprintf(page + len, KERN_ERR PRINTK_HEADER
3127 " device %s: Failing TCW: %p\n", 3129 " device %s: Failing TCW: %p\n",
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 3ab69b5a41f6..f97ceb795078 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -173,6 +173,7 @@ struct dasd_ccw_req {
173 void *data; /* pointer to data area */ 173 void *data; /* pointer to data area */
174 174
175 /* these are important for recovering erroneous requests */ 175 /* these are important for recovering erroneous requests */
176 int intrc; /* internal error, e.g. from start_IO */
176 struct irb irb; /* device status in case of an error */ 177 struct irb irb; /* device status in case of an error */
177 struct dasd_ccw_req *refers; /* ERP-chain queueing. */ 178 struct dasd_ccw_req *refers; /* ERP-chain queueing. */
178 void *function; /* originating ERP action */ 179 void *function; /* originating ERP action */