static void mptspi_dv_device()

in fusion/mptspi.c [683:714]

• 25 lines of code
• 7 McCabe index (conditional complexity)

static void mptspi_dv_device(struct _MPT_SCSI_HOST *hd,
			     struct scsi_device *sdev)
{
	VirtTarget *vtarget = scsi_target(sdev)->hostdata;
	MPT_ADAPTER *ioc = hd->ioc;

	/* no DV on RAID devices */
	if (sdev->channel == 0 &&
	    mptspi_is_raid(hd, sdev->id))
		return;

	/* If this is a piece of a RAID, then quiesce first */
	if (sdev->channel == 1 &&
	    mptscsih_quiesce_raid(hd, 1, vtarget->channel, vtarget->id) < 0) {
		starget_printk(KERN_ERR, scsi_target(sdev), MYIOC_s_FMT
		    "Integrated RAID quiesce failed\n", ioc->name);
		return;
	}

	hd->spi_pending |= (1 << sdev->id);
	spi_dv_device(sdev);
	hd->spi_pending &= ~(1 << sdev->id);

	if (sdev->channel == 1 &&
	    mptscsih_quiesce_raid(hd, 0, vtarget->channel, vtarget->id) < 0)
		starget_printk(KERN_ERR, scsi_target(sdev), MYIOC_s_FMT
		    "Integrated RAID resume failed\n", ioc->name);

	mptspi_read_parameters(sdev->sdev_target);
	spi_display_xfer_agreement(sdev->sdev_target);
	mptspi_read_parameters(sdev->sdev_target);
}