diff options
Diffstat (limited to 'drivers/s390/block/dasd.c')
| -rw-r--r-- | drivers/s390/block/dasd.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 329db997ee66..4abf11965484 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -1377,6 +1377,20 @@ int dasd_term_IO(struct dasd_ccw_req *cqr) "I/O error, retry"); break; case -EINVAL: + /* + * device not valid so no I/O could be running + * handle CQR as termination successful + */ + cqr->status = DASD_CQR_CLEARED; + cqr->stopclk = get_tod_clock(); + cqr->starttime = 0; + /* no retries for invalid devices */ + cqr->retries = -1; + DBF_DEV_EVENT(DBF_ERR, device, "%s", + "EINVAL, handle as terminated"); + /* fake rc to success */ + rc = 0; + break; case -EBUSY: DBF_DEV_EVENT(DBF_ERR, device, "%s", "device busy, retry later"); @@ -1683,11 +1697,8 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, if (cqr->status == DASD_CQR_CLEAR_PENDING && scsw_fctl(&irb->scsw) & SCSW_FCTL_CLEAR_FUNC) { cqr->status = DASD_CQR_CLEARED; - if (cqr->callback_data == DASD_SLEEPON_START_TAG) - cqr->callback_data = DASD_SLEEPON_END_TAG; dasd_device_clear_timer(device); wake_up(&dasd_flush_wq); - wake_up(&generic_waitq); dasd_schedule_device_bh(device); return; } @@ -2326,21 +2337,11 @@ retry: return -EAGAIN; /* normal recovery for basedev IO */ - if (__dasd_sleep_on_erp(cqr)) { + if (__dasd_sleep_on_erp(cqr)) + /* handle erp first */ goto retry; - /* remember that ERP was needed */ - rc = 1; - /* skip processing for active cqr */ - if (cqr->status != DASD_CQR_TERMINATED && - cqr->status != DASD_CQR_NEED_ERP) - break; - } } - /* start ERP requests in upper loop */ - if (rc) - goto retry; - return 0; } |