From: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx> Signed-off-by: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx> Signed-off-by: Saurav Kashyap <saurav.kashyap@xxxxxxxxxx> --- drivers/scsi/qla2xxx/qla_target.c | 16 ++++++++++++++++ 1 files changed, 16 insertions(+), 0 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 137ad54..7abf2de 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -1035,6 +1035,8 @@ static void qlt_send_notify_ack(struct scsi_qla_host *vha, "qla_target(%d): Sending 24xx Notify Ack %d\n", vha->vp_idx, nack->u.isp24.status); + /* Memory Barrier */ + wmb(); qla2x00_start_iocbs(vha, vha->req); } @@ -1112,6 +1114,8 @@ static void qlt_24xx_send_abts_resp(struct scsi_qla_host *vha, vha->vha_tgt.qla_tgt->abts_resp_expected++; + /* Memory Barrier */ + wmb(); qla2x00_start_iocbs(vha, vha->req); } @@ -1157,6 +1161,8 @@ static void qlt_24xx_retry_term_exchange(struct scsi_qla_host *vha, CTIO7_FLAGS_TERMINATE); ctio->u.status1.ox_id = cpu_to_le16(entry->fcp_hdr_le.ox_id); + /* Memory Barrier */ + wmb(); qla2x00_start_iocbs(vha, vha->req); qlt_24xx_send_abts_resp(vha, (struct abts_recv_from_24xx *)entry, @@ -1328,6 +1334,8 @@ static void qlt_24xx_send_task_mgmt_ctio(struct scsi_qla_host *ha, ctio->u.status1.response_len = __constant_cpu_to_le16(8); ctio->u.status1.sense_data[0] = resp_code; + /* Memory Barrier */ + wmb(); qla2x00_start_iocbs(ha, ha->req); } @@ -2407,6 +2415,8 @@ int qlt_xmit_response(struct qla_tgt_cmd *cmd, int xmit_type, cmd->state = QLA_TGT_STATE_PROCESSED; /* Mid-level is done processing */ cmd->cmd_sent_to_fw = 1; + /* Memory Barrier */ + wmb(); qla2x00_start_iocbs(vha, vha->req); spin_unlock_irqrestore(&ha->hardware_lock, flags); @@ -2483,6 +2493,8 @@ int qlt_rdy_to_xfer(struct qla_tgt_cmd *cmd) cmd->state = QLA_TGT_STATE_NEED_DATA; cmd->cmd_sent_to_fw = 1; + /* Memory Barrier */ + wmb(); qla2x00_start_iocbs(vha, vha->req); spin_unlock_irqrestore(&ha->hardware_lock, flags); @@ -2691,6 +2703,8 @@ static int __qlt_send_term_exchange(struct scsi_qla_host *vha, if (ctio24->u.status1.residual != 0) ctio24->u.status1.scsi_status |= SS_RESIDUAL_UNDER; + /* Memory Barrier */ + wmb(); qla2x00_start_iocbs(vha, vha->req); return ret; } @@ -4324,6 +4338,8 @@ static int __qlt_send_busy(struct scsi_qla_host *vha, */ ctio24->u.status1.ox_id = swab16(atio->u.isp24.fcp_hdr.ox_id); ctio24->u.status1.scsi_status = cpu_to_le16(status); + /* Memory Barrier */ + wmb(); qla2x00_start_iocbs(vha, vha->req); return 0; } -- 1.7.7 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
