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>

1 files changed, 0 insertions, 66 deletions

diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 8533ee9b818d..80351fff1a07 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -243,60 +243,6 @@ lpfc_update_stats(struct lpfc_hba *phba, struct  lpfc_scsi_buf *lpfc_cmd)
 }
 
 /**
- * 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.
  * @qdepth: New queue depth to set the sdev to.
@@ -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;
 }