On Mon, Dec 23, 2019 at 11:15:35AM +0800, sunke (E) wrote: > Hi Omar, > > The nbd/003 you simplified does the same I want to do and I made some small > changes. I ran the simplified nbd/003 with linux kernel at the commit > 7e0165b2f1a, it could pass.Then, I rollbacked the linux kernel to commit > 090bb803708, it indeed triggered the BUGON. > > However, there is one difference. NBD has ioctl and netlink interfaces. I > use the netlink interface and the simplified nbd/003 use the ioctl > interface. The nbd/003 with the netlink interface indeed seem to trigger > some other issue. So, can it be nbd/004? Sure, how about we add a flag to mount_clear_sock that specifies to use the netlink interface instead of the ioctl interface, and make nbd/004 which is the same as nbd/003 expect it runs it with the netlink flag?
