lpfc: remove queue_depth events

James Smart said the userspace to consume these events never emerged.  Given
that these get in the way of the following patches remove support for them.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Acked-by: James Smart <james.smart@emulex.com>

diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 8533ee9b818d284e2b1ce0f2fad377aa29ffe0dc..80351fff1a0718288137101dd83d9db7b077b2f0 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -242,60 +242,6 @@ lpfc_update_stats(struct lpfc_hba *phba, struct  lpfc_scsi_buf *lpfc_cmd)
        spin_unlock_irqrestore(shost->host_lock, flags);
 }
 
-/**
- * lpfc_send_sdev_queuedepth_change_event - Posts a queuedepth change event
- * @phba: Pointer to HBA context object.
- * @vport: Pointer to vport object.
- * @ndlp: Pointer to FC node associated with the target.
- * @lun: Lun number of the scsi device.
- * @old_val: Old value of the queue depth.
- * @new_val: New value of the queue depth.
- *
- * This function sends an event to the mgmt application indicating
- * there is a change in the scsi device queue depth.
- **/
-static void
-lpfc_send_sdev_queuedepth_change_event(struct lpfc_hba *phba,
-               struct lpfc_vport  *vport,
-               struct lpfc_nodelist *ndlp,
-               uint64_t lun,
-               uint32_t old_val,
-               uint32_t new_val)
-{
-       struct lpfc_fast_path_event *fast_path_evt;
-       unsigned long flags;
-
-       fast_path_evt = lpfc_alloc_fast_evt(phba);
-       if (!fast_path_evt)
-               return;
-
-       fast_path_evt->un.queue_depth_evt.scsi_event.event_type =
-               FC_REG_SCSI_EVENT;
-       fast_path_evt->un.queue_depth_evt.scsi_event.subcategory =
-               LPFC_EVENT_VARQUEDEPTH;
-
-       /* Report all luns with change in queue depth */
-       fast_path_evt->un.queue_depth_evt.scsi_event.lun = lun;
-       if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
-               memcpy(&fast_path_evt->un.queue_depth_evt.scsi_event.wwpn,
-                       &ndlp->nlp_portname, sizeof(struct lpfc_name));
-               memcpy(&fast_path_evt->un.queue_depth_evt.scsi_event.wwnn,
-                       &ndlp->nlp_nodename, sizeof(struct lpfc_name));
-       }
-
-       fast_path_evt->un.queue_depth_evt.oldval = old_val;
-       fast_path_evt->un.queue_depth_evt.newval = new_val;
-       fast_path_evt->vport = vport;
-
-       fast_path_evt->work_evt.evt = LPFC_EVT_FASTPATH_MGMT_EVT;
-       spin_lock_irqsave(&phba->hbalock, flags);
-       list_add_tail(&fast_path_evt->work_evt.evt_listp, &phba->work_list);
-       spin_unlock_irqrestore(&phba->hbalock, flags);
-       lpfc_worker_wake_up(phba);
-
-       return;
-}
-
 /**
  * lpfc_change_queue_depth - Alter scsi device queue depth
  * @sdev: Pointer the scsi device on which to change the queue depth.
@@ -310,11 +256,6 @@ static int
 lpfc_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
 {
        struct lpfc_vport *vport = (struct lpfc_vport *) sdev->host->hostdata;
-       struct lpfc_hba   *phba = vport->phba;
-       struct lpfc_rport_data *rdata;
-       unsigned long new_queue_depth, old_queue_depth;
-
-       old_queue_depth = sdev->queue_depth;
 
        switch (reason) {
        case SCSI_QDEPTH_DEFAULT:
@@ -334,13 +275,6 @@ lpfc_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
                return -EOPNOTSUPP;
        }
 
-       new_queue_depth = sdev->queue_depth;
-       rdata = lpfc_rport_data_from_scsi_device(sdev);
-       if (rdata)
-               lpfc_send_sdev_queuedepth_change_event(phba, vport,
-                                                      rdata->pnode, sdev->lun,
-                                                      old_queue_depth,
-                                                      new_queue_depth);
        return sdev->queue_depth;
 }