u64 ps3stor_read_write_sectors()

in ps3stor_lib.c [264:298]

• 30 lines of code
• 5 McCabe index (conditional complexity)

u64 ps3stor_read_write_sectors(struct ps3_storage_device *dev, u64 lpar,
			       u64 start_sector, u64 sectors, int write)
{
	unsigned int region_id = dev->regions[dev->region_idx].id;
	const char *op = write ? "write" : "read";
	int res;

	dev_dbg(&dev->sbd.core, "%s:%u: %s %llu sectors starting at %llu\n",
		__func__, __LINE__, op, sectors, start_sector);

	init_completion(&dev->done);
	res = write ? lv1_storage_write(dev->sbd.dev_id, region_id,
					start_sector, sectors, 0, lpar,
					&dev->tag)
		    : lv1_storage_read(dev->sbd.dev_id, region_id,
				       start_sector, sectors, 0, lpar,
				       &dev->tag);
	if (res) {
		dev_dbg(&dev->sbd.core, "%s:%u: %s failed %d\n", __func__,
			__LINE__, op, res);
		return -1;
	}

	wait_for_completion(&dev->done);
	if (dev->lv1_status) {
		dev_dbg(&dev->sbd.core, "%s:%u: %s failed 0x%llx\n", __func__,
			__LINE__, op, dev->lv1_status);
		return dev->lv1_status;
	}

	dev_dbg(&dev->sbd.core, "%s:%u: %s completed\n", __func__, __LINE__,
		op);

	return 0;
}