Re: [Qemu-devel] [Nbd] question on ioctl NBD_SET_FLAGS

2016-05-04 Thread Alex Bligh
On 20 Apr 2016, at 17:18, Wouter Verhelst wrote: > Hi Eric, > > On Wed, Apr 20, 2016 at 09:42:02AM -0600, Eric Blake wrote: > [...] >> But in 3.9, the overlap bug was still present, and the set of global >> flags had grown to include NBD_FLAG_NO_ZEROS (commit 038e066), which >> overlaps with NB

Re: [Qemu-devel] [Nbd] question on ioctl NBD_SET_FLAGS

2016-04-20 Thread Wouter Verhelst
Hi Eric, On Wed, Apr 20, 2016 at 09:42:02AM -0600, Eric Blake wrote: [...] > But in 3.9, the overlap bug was still present, and the set of global > flags had grown to include NBD_FLAG_NO_ZEROS (commit 038e066), which > overlaps with NBD_FLAG_READ_ONLY. Ouch. This means that a client > talking to