diff options
| author | James Smart <James.Smart@Emulex.Com> | 2008-06-14 22:52:53 -0400 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-07-12 08:22:28 -0500 |
| commit | 5e9d9b8276980fc5dfa88ce34f6ec88ce3026232 (patch) | |
| tree | 30b495edab629068f929a32f88a66ad705687f34 /drivers/scsi/lpfc/lpfc_ct.c | |
| parent | 0d2b6b83030d6a88cbf7db57f84f2daf0e0b251b (diff) | |
| download | linux-5e9d9b8276980fc5dfa88ce34f6ec88ce3026232.tar.gz linux-5e9d9b8276980fc5dfa88ce34f6ec88ce3026232.tar.xz | |
[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>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_ct.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_ct.c | 16 |
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 |