On Wed, Aug 04, 2021 at 11:41:39AM +0200, Christoph Hellwig wrote: > allows device mapper to use the normal scheme > of calling add_disk when it is ready to accept I/O. For clarity, even after this patchset, the device is not ready to accept I/O when add_disk is called. It is ready to accept I/O later if a 'resume' happens triggering the 'change' uevent that userspace reacts to by setting up the /dev entries for it. Alasdair
