diff options
Diffstat (limited to 'drivers/s390/block/dasd_eckd.c')
| -rw-r--r-- | drivers/s390/block/dasd_eckd.c | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index e38a09b5fea..5819dc02a14 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -1059,7 +1059,7 @@ dasd_eckd_psf_ssc(struct dasd_device *device, int enable_pav) /* * Valide storage server of current device. */ -static int dasd_eckd_validate_server(struct dasd_device *device) +static void dasd_eckd_validate_server(struct dasd_device *device) { int rc; struct dasd_eckd_private *private; @@ -1076,8 +1076,6 @@ static int dasd_eckd_validate_server(struct dasd_device *device) private = (struct dasd_eckd_private *) device->private; DBF_EVENT_DEVID(DBF_WARNING, device->cdev, "PSF-SSC for SSID %04x " "returned rc=%d", private->uid.ssid, rc); - /* RE-Read Configuration Data */ - return dasd_eckd_read_conf(device); } /* @@ -1149,12 +1147,21 @@ dasd_eckd_check_characteristics(struct dasd_device *device) rc = is_known; goto out_err2; } + /* + * dasd_eckd_vaildate_server is done on the first device that + * is found for an LCU. All later other devices have to wait + * for it, so they will read the correct feature codes. + */ if (!is_known) { - /* new lcu found */ - rc = dasd_eckd_validate_server(device); /* will switch pav on */ - if (rc) - goto out_err3; - } + dasd_eckd_validate_server(device); + dasd_alias_lcu_setup_complete(device); + } else + dasd_alias_wait_for_lcu_setup(device); + + /* device may report different configuration data after LCU setup */ + rc = dasd_eckd_read_conf(device); + if (rc) + goto out_err3; /* Read Feature Codes */ dasd_eckd_read_features(device); @@ -3282,11 +3289,15 @@ int dasd_eckd_restore_device(struct dasd_device *device) if (is_known < 0) return is_known; if (!is_known) { - /* new lcu found */ - rc = dasd_eckd_validate_server(device); /* will switch pav on */ - if (rc) - goto out_err; - } + dasd_eckd_validate_server(device); + dasd_alias_lcu_setup_complete(device); + } else + dasd_alias_wait_for_lcu_setup(device); + + /* RE-Read Configuration Data */ + rc = dasd_eckd_read_conf(device); + if (rc) + goto out_err; /* Read Feature Codes */ dasd_eckd_read_features(device); |