On 29/03/2016 17:08, Kevin Wolf wrote: > From: Max Reitz <mre...@redhat.com> > > Passing -S 0 to qemu-img convert should result in all source data being > copied to the output, even if that source data is known to be 0. The > output image should therefore have exactly the same size on disk as an > image which we explicitly filled with data. > > Signed-off-by: Max Reitz <mre...@redhat.com> > Reviewed-by: Fam Zheng <f...@redhat.com> > Signed-off-by: Kevin Wolf <kw...@redhat.com>
This fails with XFS and raw format, which preallocates an extra cluster at the end of the file created with qemu-io (so that the on-disk size is 2056 512-byte blocks). Paolo
