Re: [Virtio-fs] [RFC 1/2] vhost-user: Add interface for virtio-fs migration

2023-03-17 Thread Hanna Czenczek
On 17.03.23 18:39, Anton Kuchin wrote: On 13/03/2023 19:48, Hanna Czenczek wrote: Add a virtio-fs-specific vhost-user interface to facilitate migrating back-end-internal state.  We plan to migrate the internal state simply as a binary blob after the streaming phase, so all we need is a way to tr

Re: [RFC 1/2] vhost-user: Add interface for virtio-fs migration

2023-03-17 Thread Anton Kuchin
On 13/03/2023 19:48, Hanna Czenczek wrote: Add a virtio-fs-specific vhost-user interface to facilitate migrating back-end-internal state. We plan to migrate the internal state simply as a binary blob after the streaming phase, so all we need is a way to transfer such a blob from and to the back-

Re: [RFC 1/2] vhost-user: Add interface for virtio-fs migration

2023-03-15 Thread Stefan Hajnoczi
On Wed, 15 Mar 2023 at 11:56, Hanna Czenczek wrote: > > On 15.03.23 14:58, Stefan Hajnoczi wrote: > > On Mon, Mar 13, 2023 at 06:48:32PM +0100, Hanna Czenczek wrote: > >> Add a virtio-fs-specific vhost-user interface to facilitate migrating > >> back-end-internal state. We plan to migrate the int

Re: [RFC 1/2] vhost-user: Add interface for virtio-fs migration

2023-03-15 Thread Hanna Czenczek
On 15.03.23 14:58, Stefan Hajnoczi wrote: On Mon, Mar 13, 2023 at 06:48:32PM +0100, Hanna Czenczek wrote: Add a virtio-fs-specific vhost-user interface to facilitate migrating back-end-internal state. We plan to migrate the internal state simply Luckily the interface does not need to be virtio

Re: [RFC 1/2] vhost-user: Add interface for virtio-fs migration

2023-03-15 Thread Stefan Hajnoczi
On Mon, Mar 13, 2023 at 06:48:32PM +0100, Hanna Czenczek wrote: > Add a virtio-fs-specific vhost-user interface to facilitate migrating > back-end-internal state. We plan to migrate the internal state simply Luckily the interface does not need to be virtiofs-specific since it only transfers opaqu

[RFC 1/2] vhost-user: Add interface for virtio-fs migration

2023-03-13 Thread Hanna Czenczek
Add a virtio-fs-specific vhost-user interface to facilitate migrating back-end-internal state. We plan to migrate the internal state simply as a binary blob after the streaming phase, so all we need is a way to transfer such a blob from and to the back-end. We do so by using a dedicated area of s