qemu: reject blockiotune if qemu too old
qemu: reject blockiotune if qemu too old

Commit 4c82f09e added a capability check for qemu per-device io
throttling, but only applied it to domain startup.  As mentioned
in the previous commit (98cec05), the user can still get an 'internal
error' message during a hotplug attempt, when the monitor command
doesn't exist.  It is confusing to allow tuning on inactive domains
only to then be rejected when starting the domain.

* src/qemu/qemu_driver.c (qemuDomainSetBlockIoTune): Reject
offline tuning if online can't match it.

taget/libvirt,dumbbell/libvirt,jeckersb/libvirt,dumbbell/libvirt,rmarwaha/libvirt,emaste/libvirt,fabianfreyer/libvirt,rmarwaha/libvirt1,iam-TJ/libvirt,wiedi/libvirt,zippy2/libvirt,crobinso/libvirt,VenkatDatta/libvirt,cbosdo/libvirt,libvirt/libvirt,warewolf/libvirt,siboulet/libvirt-openvz,zhlcindy/libvirt-1.1.4-maintain,datto/libvirt,elmarco/libvirt,trainstack/libvirt,fabianfreyer/libvirt,jeckersb/libvirt,dumbbell/libvirt,cbosdo/libvirt,iam-TJ/libvirt,wiedi/libvirt,trainstack/libvirt,agx/libvirt,jardasgit/libvirt,agx/libvirt,taget/libvirt,bjzhang/libvirt,shugaoye/libvirt,libvirt/libvirt,cbosdo/libvirt,jardasgit/libvirt,iam-TJ/libvirt,eskultety/libvirt,wiedi/libvirt,jfehlig/libvirt,emaste/libvirt,jfehlig/libvirt,nertpinx/libvirt,warewolf/libvirt,eskultety/libvirt,iam-TJ/libvirt,crobinso/libvirt,wiedi/libvirt,siboulet/libvirt-openvz,datto/libvirt,zippy2/libvirt,crobinso/libvirt,jardasgit/libvirt,libvirt/libvirt,andreabolognani/libvirt,shugaoye/libvirt,bjzhang/libvirt,dumbbell/libvirt,novel/fbsd-libvirt,rlaager/libvirt,VenkatDatta/libvirt,eskultety/libvirt,jardasgit/libvirt,eskultety/libvirt,jeckersb/libvirt,dumbbell/libvirt,wiedi/libvirt,trainstack/libvirt,fabianfreyer/libvirt,jeckersb/libvirt,warewolf/libvirt,taget/libvirt,novel/fbsd-libvirt,rmarwaha/libvirt1,warewolf/libvirt,rlaager/libvirt,olafhering/libvirt,warewolf/libvirt,emaste/libvirt,siboulet/libvirt-openvz,olafhering/libvirt,nertpinx/libvirt,rmarwaha/libvirt1,siboulet/libvirt-openvz,novel/fbsd-libvirt,rlaager/libvirt,agx/libvirt,elmarco/libvirt,rmarwaha/libvirt,zippy2/libvirt,rlaager/libvirt,novel/fbsd-libvirt,jfehlig/libvirt,VenkatDatta/libvirt,novel/fbsd-libvirt,nertpinx/libvirt,fabianfreyer/libvirt,rmarwaha/libvirt1,nertpinx/libvirt,nertpinx/libvirt,elmarco/libvirt,datto/libvirt,andreabolognani/libvirt,zhlcindy/libvirt-1.1.4-maintain,siboulet/libvirt-openvz,emaste/libvirt,taget/libvirt,elmarco/libvirt,VenkatDatta/libvirt,bjzhang/libvirt,fabianfreyer/libvirt,libvirt/libvirt,rmarwaha/libvirt1,zhlcindy/libvirt-1.1.4-maintain,warewolf/libvirt,datto/libvirt,agx/libvirt,iam-TJ/libvirt,jfehlig/libvirt,zippy2/libvirt,cbosdo/libvirt,rmarwaha/libvirt1,zhlcindy/libvirt-1.1.4-maintain,wiedi/libvirt,shugaoye/libvirt,emaste/libvirt,novel/fbsd-libvirt,elmarco/libvirt,crobinso/libvirt,novel/fbsd-libvirt,wiedi/libvirt,jeckersb/libvirt,cbosdo/libvirt,andreabolognani/libvirt,rmarwaha/libvirt,jardasgit/libvirt,eskultety/libvirt,shugaoye/libvirt,jeckersb/libvirt,trainstack/libvirt,olafhering/libvirt,shugaoye/libvirt,trainstack/libvirt,rmarwaha/libvirt,warewolf/libvirt,emaste/libvirt,rlaager/libvirt,rmarwaha/libvirt,novel/fbsd-libvirt,iam-TJ/libvirt,iam-TJ/libvirt,emaste/libvirt,taget/libvirt,agx/libvirt,novel/fbsd-libvirt,bjzhang/libvirt,trainstack/libvirt,zhlcindy/libvirt-1.1.4-maintain,dumbbell/libvirt,andreabolognani/libvirt,rmarwaha/libvirt,VenkatDatta/libvirt,trainstack/libvirt,andreabolognani/libvirt,olafhering/libvirt,bjzhang/libvirt,jeckersb/libvirt,datto/libvirt