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path: root/drivers/scsi/lpfc/lpfc_scsi.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_scsi.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.c25
1 files changed, 15 insertions, 10 deletions
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index dafabeefc5b3..f93799873721 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 *
@@ -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)