[SCSI] lpfc 8.2.7 : Rework the worker thread

Rework of the worker thread to make it more efficient.
Make a finer-grain notfication of pending work so less time is
spent checking conditions. Also made other general cleanups.

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 7 insertions, 9 deletions

diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
index 153afae567b5..5442ce33615a 100644
--- a/drivers/scsi/lpfc/lpfc_ct.c
+++ b/drivers/scsi/lpfc/lpfc_ct.c
@@ -1679,20 +1679,18 @@ lpfc_fdmi_tmo(unsigned long ptr)
 {
         struct lpfc_vport *vport = (struct lpfc_vport *)ptr;
         struct lpfc_hba   *phba = vport->phba;
+        uint32_t tmo_posted;
         unsigned long iflag;
 
         spin_lock_irqsave(&vport->work_port_lock, iflag);
-        if (!(vport->work_port_events & WORKER_FDMI_TMO)) {
+        tmo_posted = vport->work_port_events & WORKER_FDMI_TMO;
+        if (!tmo_posted)
                 vport->work_port_events |= WORKER_FDMI_TMO;
-                spin_unlock_irqrestore(&vport->work_port_lock, iflag);
+        spin_unlock_irqrestore(&vport->work_port_lock, iflag);
 
-                spin_lock_irqsave(&phba->hbalock, iflag);
-                if (phba->work_wait)
-                        lpfc_worker_wake_up(phba);
-                spin_unlock_irqrestore(&phba->hbalock, iflag);
-        }
-        else
-                spin_unlock_irqrestore(&vport->work_port_lock, iflag);
+        if (!tmo_posted)
+                lpfc_worker_wake_up(phba);
+        return;
 }
 
 void