Am 12.10.2021 um 17:22 hat Peter Lieven geschrieben: > the qemu rbd driver currently lacks support for bdrv_co_block_status. > This results mainly in incorrect progress during block operations (e.g. > qemu-img convert with an rbd image as source). > > This patch utilizes the rbd_diff_iterate2 call from librbd to detect > allocated and unallocated (all zero areas). > > To avoid querying the ceph OSDs for the answer this is only done if > the image has the fast-diff feature which depends on the object-map and > exclusive-lock features. In this case it is guaranteed that the information > is present in memory in the librbd client and thus very fast. > > If fast-diff is not available all areas are reported to be allocated > which is the current behaviour if bdrv_co_block_status is not implemented. > > Signed-off-by: Peter Lieven <p...@kamp.de>
Thanks, applied to the block branch. Kevin
