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[SCSI] mpt fusion: add use of shost_priv and remove all the typecasting

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The driver is currently typecasting to obtain the shost hostdata. The
driver is updated to use the shost_priv macro.

Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Eric Moore
2007-09-29 10:15:59 -06:00
committed by James Bottomley
parent cce99c6925
commit e7eae9f6e9
5 changed files with 62 additions and 76 deletions
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17
drivers/message/fusion/mptfc.c
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@@ -196,7 +196,7 @@ mptfc_block_error_handler(struct scsi_cmnd *SCpnt,
int ready;
MPT_ADAPTER *ioc;
hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata;
hd = shost_priv(SCpnt->device->host);
ioc = hd->ioc;
spin_lock_irqsave(shost->host_lock, flags);
while ((ready = fc_remote_port_chkready(rport) >> 16) == DID_IMM_RETRY) {
@@ -204,8 +204,7 @@ mptfc_block_error_handler(struct scsi_cmnd *SCpnt,
dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
"mptfc_block_error_handler.%d: %d:%d, port status is "
"DID_IMM_RETRY, deferring %s recovery.\n",
((MPT_SCSI_HOST *) shost->hostdata)->ioc->name,
((MPT_SCSI_HOST *) shost->hostdata)->ioc->sh->host_no,
ioc->name, ioc->sh->host_no,
SCpnt->device->id, SCpnt->device->lun, caller));
msleep(1000);
spin_lock_irqsave(shost->host_lock, flags);
@@ -216,16 +215,14 @@ mptfc_block_error_handler(struct scsi_cmnd *SCpnt,
dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
"%s.%d: %d:%d, failing recovery, "
"port state %d, vdevice %p.\n", caller,
((MPT_SCSI_HOST *) shost->hostdata)->ioc->name,
((MPT_SCSI_HOST *) shost->hostdata)->ioc->sh->host_no,
ioc->name, ioc->sh->host_no,
SCpnt->device->id, SCpnt->device->lun, ready,
SCpnt->device->hostdata));
return FAILED;
}
dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
"%s.%d: %d:%d, executing recovery.\n", caller,
((MPT_SCSI_HOST *) shost->hostdata)->ioc->name,
((MPT_SCSI_HOST *) shost->hostdata)->ioc->sh->host_no,
ioc->name, ioc->sh->host_no,
SCpnt->device->id, SCpnt->device->lun));
return (*func)(SCpnt);
}
@@ -615,7 +612,7 @@ mptfc_slave_alloc(struct scsi_device *sdev)
if (!rport || fc_remote_port_chkready(rport))
return -ENXIO;
hd = (MPT_SCSI_HOST *)sdev->host->hostdata;
hd = shost_priv(sdev->host);
ioc = hd->ioc;
vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
@@ -1279,7 +1276,7 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
spin_unlock_irqrestore(&ioc->FreeQlock, flags);
hd = (MPT_SCSI_HOST *) sh->hostdata;
hd = shost_priv(sh);
hd->ioc = ioc;
/* SCSI needs scsi_cmnd lookup table!
@@ -1386,7 +1383,7 @@ mptfc_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
ioc->name, event));
if (ioc->sh == NULL ||
((hd = (MPT_SCSI_HOST *)ioc->sh->hostdata) == NULL))
((hd = shost_priv(ioc->sh)) == NULL))
return 1;
switch (event) {