Drivers that need to do synchronous, blocking operations to do I/O generally want to defer all I/O to a drіver-private workqueue. Examples for that are the loop driver, rbd, or ubi block driver, and probably lots more that haven't been evaluated yet. -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
