Uploaded a new patch which might be better/cleaner :)
"[PATCH] qcow2: add discard-no-unref option"
That patch only applies to qcow2 and also passes unmap further down the
storage stack.
On 10/05/2023 16:27, Jean-Louis Dupond wrote:
When we for example have a sparse qcow2 image and discard: un
When we for example have a sparse qcow2 image and discard: unmap is enabled,
there can be a lot of fragmentation in the image after some time. Surely on VM's
that do a lot of writes/deletes.
This causes the qcow2 image to grow even over 110% of its virtual size,
because the free gaps in the image g
