Re: [Qemu-devel] [PATCH] blockdev: loosen restrictions on drive-backup source node

2019-05-21 Thread John Snow
On 5/21/19 5:54 AM, Vladimir Sementsov-Ogievskiy wrote: > 21.05.2019 1:38, John Snow wrote: >> >> >> On 5/10/19 5:11 PM, John Snow wrote: >>> We mandate that the source node must be a root node; but there's no reason >>> I am aware of that it needs to be restricted to such. In some cases, we nee

Re: [Qemu-devel] [PATCH] blockdev: loosen restrictions on drive-backup source node

2019-05-21 Thread Vladimir Sementsov-Ogievskiy
21.05.2019 1:38, John Snow wrote: > > > On 5/10/19 5:11 PM, John Snow wrote: >> We mandate that the source node must be a root node; but there's no reason >> I am aware of that it needs to be restricted to such. In some cases, we need >> to make sure that there's a medium present, but in the gene

Re: [Qemu-devel] [PATCH] blockdev: loosen restrictions on drive-backup source node

2019-05-20 Thread John Snow
On 5/10/19 5:11 PM, John Snow wrote: > We mandate that the source node must be a root node; but there's no reason > I am aware of that it needs to be restricted to such. In some cases, we need > to make sure that there's a medium present, but in the general case we can > allow the backup job its

[Qemu-devel] [PATCH] blockdev: loosen restrictions on drive-backup source node

2019-05-10 Thread John Snow
We mandate that the source node must be a root node; but there's no reason I am aware of that it needs to be restricted to such. In some cases, we need to make sure that there's a medium present, but in the general case we can allow the backup job itself to do the graph checking. This patch helps