Re: [Qemu-devel] [PATCH v2] virtio-blk: set correct config size for the host driver

2019-02-12 Thread Liu, Changpeng
> -Original Message- > From: Michael S. Tsirkin [mailto:m...@redhat.com] > Sent: Tuesday, February 12, 2019 9:49 PM > To: Liu, Changpeng > Cc: qemu-devel@nongnu.org; stefa...@redhat.com; sgarz...@redhat.com; > dgilb...@redhat.com; ldok...@redhat.com > Subject: Re: [PATCH v2]

Re: [Qemu-devel] [PATCH v2] virtio-blk: set correct config size for the host driver

2019-02-12 Thread Michael S. Tsirkin
On Tue, Feb 12, 2019 at 02:01:44PM +0800, Changpeng Liu wrote: > Commit caa1ee43 "vhost-user-blk: add discard/write zeroes features support" > introduced extra fields to existing struct virtio_blk_config, when > migration was executed from older QEMU version to current head, it > will break the

Re: [Qemu-devel] [PATCH v2] virtio-blk: set correct config size for the host driver

2019-02-12 Thread Greg Kurz
On Tue, 12 Feb 2019 14:01:44 +0800 Changpeng Liu wrote: > Commit caa1ee43 "vhost-user-blk: add discard/write zeroes features support" > introduced extra fields to existing struct virtio_blk_config, when > migration was executed from older QEMU version to current head, it A hint about the