diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_erp.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_erp.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index 53ebc1cdfe2d..60ba1ba112d6 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -2286,12 +2286,12 @@ zfcp_erp_adapter_strategy_open_fsf_xconfig(struct zfcp_erp_action *erp_action) { int retval = ZFCP_ERP_SUCCEEDED; int retries; + int sleep = ZFCP_EXCHANGE_CONFIG_DATA_FIRST_SLEEP; struct zfcp_adapter *adapter = erp_action->adapter; atomic_clear_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK, &adapter->status); - retries = ZFCP_EXCHANGE_CONFIG_DATA_RETRIES; - do { + for (retries = ZFCP_EXCHANGE_CONFIG_DATA_RETRIES; retries; retries--) { atomic_clear_mask(ZFCP_STATUS_ADAPTER_HOST_CON_INIT, &adapter->status); ZFCP_LOG_DEBUG("Doing exchange config data\n"); @@ -2329,16 +2329,17 @@ zfcp_erp_adapter_strategy_open_fsf_xconfig(struct zfcp_erp_action *erp_action) zfcp_get_busid_by_adapter(adapter)); break; } - if (atomic_test_mask(ZFCP_STATUS_ADAPTER_HOST_CON_INIT, - &adapter->status)) { - ZFCP_LOG_DEBUG("host connection still initialising... " - "waiting and retrying...\n"); - /* sleep a little bit before retry */ - msleep(jiffies_to_msecs(ZFCP_EXCHANGE_CONFIG_DATA_SLEEP)); - } - } while ((retries--) && - atomic_test_mask(ZFCP_STATUS_ADAPTER_HOST_CON_INIT, - &adapter->status)); + + if (!atomic_test_mask(ZFCP_STATUS_ADAPTER_HOST_CON_INIT, + &adapter->status)) + break; + + ZFCP_LOG_DEBUG("host connection still initialising... " + "waiting and retrying...\n"); + /* sleep a little bit before retry */ + msleep(jiffies_to_msecs(sleep)); + sleep *= 2; + } if (!atomic_test_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK, &adapter->status)) { |
