On Mon, Apr 10, 2017 at 1:07 PM, wayen <1662...@bugs.launchpad.net> wrote: > Hi Lidong Chen: > I used QEMU 2.0.0 on Ubuntu 14.04. > Do you mean your patch can make qemu-img convert qcow2 overlay into a new > overlay?
yes. but i find it already fixed in 2.0.0. do you add the -o backing_file= option in the command? > > -- > You received this bug notification because you are a member of qemu- > devel-ml, which is subscribed to QEMU. > https://bugs.launchpad.net/bugs/1662050 > > Title: > qemu-img convert a overlay qcow2 image into a entire image > > Status in QEMU: > Incomplete > > Bug description: > I have a base image file "base.qcow2" and a delta qcow2 image file > "delta.qcow2" whose backing file is "base.qcow2". > > Now I use qemu-img to convert "delta.qcow2" and will get a new image > file "new.qcow2" which is entire and equivalent to combination of > "base.qcow2" and "delta.qcow2". > > In fact,I don't want to get a complete image.I just want to convert > delta qcow2 image file "A" to a New delta overlay qcow2 image "B" > which is equivalent to "A". So the "new.qcow2" is not what i want. I > have to admit that this is not bug. Could you please take this as a > new feature and enable qemu-img to convert qcow2 overlay itself? > > To manage notifications about this bug go to: > https://bugs.launchpad.net/qemu/+bug/1662050/+subscriptions >
