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authorChristoph Hellwig <hch@lst.de>2014-11-13 12:42:04 +0100
committerChristoph Hellwig <hch@lst.de>2014-11-24 14:44:28 +0100
commit89dac7bb3b0494685241369951f95494e86ee61f (patch)
treecb1b25572b58caae96da709aac649ed92140cfe1
parentaa00832b4ca6491c3540ef637ee89a7394711858 (diff)
downloadlinux-89dac7bb3b0494685241369951f95494e86ee61f.tar.bz2
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>
-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.c66
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;
}