[Qemu-devel] [Bug 1662050] Re: qemu-img convert a overlay qcow2 image into a entire image

[wayen]

@Eric Blake. Sorry, I didn't make it clear. In fact, I don't want to get
a complete image. I just want to convert qcow2 overlay and get a new
qcow2 overlay. Maybe you think my intention is meaningless， but this is
what I want.

** Changed in: qemu
       Status: Invalid => Incomplete

** Description changed:

  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 just want to convert the delta qcow2 image file and get a new
+ In fact, i just want to convert the delta qcow2 image file and get a New
  delta overlay qcow2 image file. 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 images in-place?
+ feature and enable qemu-img to convert qcow2 overlay itself?

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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 just want to convert the delta qcow2 image file and get a
  New delta overlay qcow2 image file. 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?

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