Re: [Qemu-devel] Meeting notes on -blockdev, dynamic backend reconfiguration

2016-12-06 Thread Fam Zheng
On Mon, 12/05 13:03, Markus Armbruster wrote: > == Basic dynamic reconfiguration operation == > > The basic operation is "replace child". > > Beware of race conditions. Consider: > > BB > | > mirror-filter > | > BDS > > Add a throttle filter under BB

[Qemu-devel] Meeting notes on -blockdev, dynamic backend reconfiguration

2016-12-05 Thread Markus Armbruster
I recently met Kevin, and we discussed two block layer topics in some depth. = -blockdev = We want a command line option to mirror QMP blockdev-add for 2.9. QemuOpts has to grow from "list of (key, simple value) plus conventions to support lists of simple values in limited ways" to the