Function rdev_readat

src/commonlib/region.c:78–93

}

ssize_t rdev_readat(const struct region_device *rd, void *b, size_t offset,
			size_t size)
{
	const struct region_device *rdev;
	struct region req = {
		.offset = offset,
		.size = size,
	};

	if (!normalize_and_ok(&rd->region, &req))
		return -1;

	rdev = rdev_root(rd);

	return rdev->ops->readat(rdev, b, req.offset, req.size);
}

ssize_t rdev_writeat(const struct region_device *rd, const void *b,
			size_t offset, size_t size)