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Commit e5771b4d authored by James Smart's avatar James Smart Committed by James Bottomley
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[SCSI] lpfc 8.3.38: Fixed OXID reuse issue. 



Signed-off-by: default avatarJames Smart <james.smart@emulex.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 25aee407

drivers/scsi/lpfc/lpfc_attr.c

+7 −1
Original line number Diff line number Diff line
@@ -2306,7 +2306,13 @@ int lpfc_enable_rrq; 
module_param(lpfc_enable_rrq, int, S_IRUGO);

MODULE_PARM_DESC(lpfc_enable_rrq, "Enable RRQ functionality");

lpfc_param_show(enable_rrq);

lpfc_param_init(enable_rrq, 0, 0, 1);

/*

# lpfc_enable_rrq: Track XRI/OXID reuse after IO failures

#	0x0 = disabled, XRI/OXID use not tracked.

#	0x1 = XRI/OXID reuse is timed with ratov, RRQ sent.

#	0x2 = XRI/OXID reuse is timed with ratov, No RRQ sent.

*/

lpfc_param_init(enable_rrq, 2, 0, 2);

static DEVICE_ATTR(lpfc_enable_rrq, S_IRUGO, lpfc_enable_rrq_show, NULL);



/*

drivers/scsi/lpfc/lpfc_sli.c

+4 −2
Original line number Diff line number Diff line
@@ -872,14 +872,16 @@ lpfc_set_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, 
				xritag, rxid, ndlp->nlp_DID, send_rrq);

		return -EINVAL;

	}

	if (phba->cfg_enable_rrq == 1)

		rrq->send_rrq = send_rrq;

	else

		rrq->send_rrq = 0;

	rrq->xritag = xritag;

	rrq->rrq_stop_time = jiffies + HZ * (phba->fc_ratov + 1);

	rrq->ndlp = ndlp;

	rrq->nlp_DID = ndlp->nlp_DID;

	rrq->vport = ndlp->vport;

	rrq->rxid = rxid;

	rrq->send_rrq = send_rrq;

	spin_lock_irqsave(&phba->hbalock, iflags);

	empty = list_empty(&phba->active_rrq_list);

	list_add_tail(&rrq->list, &phba->active_rrq_list);