Il 08/10/2013 10:40, Alexey Kardashevskiy ha scritto: > However qcow2_save_vmstate() sets bs->growable to 1 for a short time > (commit 178e08a58f40dd5aef2ce774fe0850f5d0e56918 from 2009) and this > triggers a branch in bdrv_co_do_writev() which changes bs->total_sectors. > So when QEMU writes snapshots to the file, the disk_size field of a > snapshot has bigger value (for example 0x4.007b.8180).
I think you need to modify qcow2_save_vmstate to save and restore bs->total_sectors. Can you test that and if so post the patch? Paolo
