X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fscsi%2Flpfc%2Flpfc_scsi.c;h=f93799873721290c38b774b9668ad5bb0dd91365;hb=be9bf30c73184e0f1e4e0a50fb193d2a551bf75e;hp=9ee8218404c058bc44e40157c891ad6464c2a605;hpb=ed03f430cdc8c802652467e9097606fedc2c7abc;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 9ee8218404c..f9379987372 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -1,7 +1,7 @@
 /*******************************************************************
  * This file is part of the Emulex Linux Device Driver for         *
  * Fibre Channel Host Bus Adapters.                                *
- * Copyright (C) 2004-2005 Emulex.  All rights reserved.           *
+ * Copyright (C) 2004-2006 Emulex.  All rights reserved.           *
  * EMULEX and SLI are trademarks of Emulex.                        *
  * www.emulex.com                                                  *
  * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
@@ -150,7 +150,7 @@ lpfc_new_scsi_buf(struct lpfc_hba * phba)
 	return psb;
 }
 
-struct  lpfc_scsi_buf*
+static struct lpfc_scsi_buf*
 lpfc_get_scsi_buf(struct lpfc_hba * phba)
 {
 	struct  lpfc_scsi_buf * lpfc_cmd = NULL;
@@ -467,7 +467,12 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 	sdev = cmd->device;
 	cmd->scsi_done(cmd);
 
-	if (!result &&
+	if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
+		lpfc_release_scsi_buf(phba, lpfc_cmd);
+		return;
+	}
+
+	if (!result && pnode != NULL &&
 	   ((jiffies - pnode->last_ramp_up_time) >
 		LPFC_Q_RAMP_UP_INTERVAL * HZ) &&
 	   ((jiffies - pnode->last_q_full_time) >
@@ -495,7 +500,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 	 * Check for queue full.  If the lun is reporting queue full, then
 	 * back off the lun queue depth to prevent target overloads.
 	 */
-	if (result == SAM_STAT_TASK_SET_FULL) {
+	if (result == SAM_STAT_TASK_SET_FULL && pnode != NULL) {
 		pnode->last_q_full_time = jiffies;
 
 		shost_for_each_device(tmp_sdev, sdev->host) {
@@ -743,7 +748,7 @@ lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba)
 const char *
 lpfc_info(struct Scsi_Host *host)
 {
-	struct lpfc_hba    *phba = (struct lpfc_hba *) host->hostdata[0];
+	struct lpfc_hba    *phba = (struct lpfc_hba *) host->hostdata;
 	int len;
 	static char  lpfcinfobuf[384];
 
@@ -803,7 +808,7 @@ static int
 lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
 {
 	struct lpfc_hba *phba =
-		(struct lpfc_hba *) cmnd->device->host->hostdata[0];
+		(struct lpfc_hba *) cmnd->device->host->hostdata;
 	struct lpfc_sli *psli = &phba->sli;
 	struct lpfc_rport_data *rdata = cmnd->device->hostdata;
 	struct lpfc_nodelist *ndlp = rdata->pnode;
@@ -877,7 +882,7 @@ static int
 lpfc_abort_handler(struct scsi_cmnd *cmnd)
 {
 	struct Scsi_Host *shost = cmnd->device->host;
-	struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0];
+	struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata;
 	struct lpfc_sli_ring *pring = &phba->sli.ring[phba->sli.fcp_ring];
 	struct lpfc_iocbq *iocb;
 	struct lpfc_iocbq *abtsiocb;
@@ -981,7 +986,7 @@ static int
 lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
 {
 	struct Scsi_Host *shost = cmnd->device->host;
-	struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0];
+	struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata;
 	struct lpfc_scsi_buf *lpfc_cmd;
 	struct lpfc_iocbq *iocbq, *iocbqrsp;
 	struct lpfc_rport_data *rdata = cmnd->device->hostdata;
@@ -1094,7 +1099,7 @@ static int
 lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
 {
 	struct Scsi_Host *shost = cmnd->device->host;
-	struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0];
+	struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata;
 	struct lpfc_nodelist *ndlp = NULL;
 	int match;
 	int ret = FAILED, i, err_count = 0;
@@ -1195,7 +1200,7 @@ out:
 static int
 lpfc_slave_alloc(struct scsi_device *sdev)
 {
-	struct lpfc_hba *phba = (struct lpfc_hba *)sdev->host->hostdata[0];
+	struct lpfc_hba *phba = (struct lpfc_hba *)sdev->host->hostdata;
 	struct lpfc_scsi_buf *scsi_buf = NULL;
 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
 	uint32_t total = 0, i;
@@ -1251,7 +1256,7 @@ lpfc_slave_alloc(struct scsi_device *sdev)
 static int
 lpfc_slave_configure(struct scsi_device *sdev)
 {
-	struct lpfc_hba *phba = (struct lpfc_hba *) sdev->host->hostdata[0];
+	struct lpfc_hba *phba = (struct lpfc_hba *) sdev->host->hostdata;
 	struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
 
 	if (sdev->tagged_supported)