Re: [Qemu-devel] [Libguestfs] [nbdkit PATCH 3/3] plugins: Add .can_fast_zero hook

2019-08-27 Thread Richard W.M. Jones
The nbdkit series looks fine too, so ACK again. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com virt-p2v converts physical machines to virtual machines. Boot with a live CD or over th

Re: [Qemu-devel] [Libguestfs] [nbdkit PATCH 3/3] plugins: Add .can_fast_zero hook

2019-08-23 Thread Eric Blake
On 8/23/19 9:40 AM, Eric Blake wrote: > Allow plugins to affect the handling of the new NBD_CMD_FLAG_FAST_ZERO > flag, then update affected plugins. In particular, in-memory plugins > are always fast; the full plugin is better served by omitting .zero > and relying on .pwrite fallback; nbd takes a