2015-12-14 13:20 GMT+03:00 Martin Kletzander <mkletzan@xxxxxxxxxx>: > If you do 'git grep detect-zeroes' in libvirt git, you will find we only > have that string in the tests, particularly in files with replies from > various qemu versions. That way you can say that libvirt does not > provide the possibility to do so. However, the patches for adding that > support are very trivial, so I took the liberty of adding it, see here: > > https://www.redhat.com/archives/libvir-list/2015-December/msg00484.html Thanks for help! =) In case of blockcopy and lvm thin pools this is very useful feature. -- Vasiliy Tolstov, e-mail: v.tolstov@xxxxxxxxx -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list