diff options
Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_os.c')
| -rw-r--r-- | drivers/scsi/qla4xxx/ql4_os.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index c3c59d763037..10a233e65bc9 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -864,8 +864,9 @@ static void qla4xxx_flush_active_srbs(struct scsi_qla_host *ha) * qla4xxx_recover_adapter - recovers adapter after a fatal error * @ha: Pointer to host adapter structure. * @renew_ddb_list: Indicates what to do with the adapter's ddb list - * after adapter recovery has completed. - * 0=preserve ddb list, 1=destroy and rebuild ddb list + * + * renew_ddb_list value can be 0=preserve ddb list, 1=destroy and rebuild + * ddb list. **/ static int qla4xxx_recover_adapter(struct scsi_qla_host *ha, uint8_t renew_ddb_list) @@ -874,6 +875,7 @@ static int qla4xxx_recover_adapter(struct scsi_qla_host *ha, /* Stall incoming I/O until we are done */ clear_bit(AF_ONLINE, &ha->flags); + DEBUG2(printk("scsi%ld: %s calling qla4xxx_cmd_wait\n", ha->host_no, __func__)); @@ -1600,9 +1602,12 @@ static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) return FAILED; } - if (qla4xxx_recover_adapter(ha, PRESERVE_DDB_LIST) == QLA_SUCCESS) { + /* make sure the dpc thread is stopped while we reset the hba */ + clear_bit(AF_ONLINE, &ha->flags); + flush_workqueue(ha->dpc_thread); + + if (qla4xxx_recover_adapter(ha, PRESERVE_DDB_LIST) == QLA_SUCCESS) return_status = SUCCESS; - } dev_info(&ha->pdev->dev, "HOST RESET %s.\n", return_status == FAILED ? "FAILED" : "SUCCEDED"); |