On Wed, Dec 7, 2011 at 11:45 AM, Kevin Wolf <kw...@redhat.com> wrote: > Backing files may be smaller than the corresponding COW file. When > reading directly from the backing file, qemu-img rebase must consider > this and assume zero sectors after the end of backing files. > > Signed-off-by: Kevin Wolf <kw...@redhat.com> > --- > qemu-img.c | 42 +++++++++++++++++++++++++++++++++--------- > 1 files changed, 33 insertions(+), 9 deletions(-)
Reviewed-by: Stefan Hajnoczi <stefa...@linux.vnet.ibm.com> It almost feels like we want a bdrv_read() variation that does the zeroing beyond end of image instead of duplicating this. Stefan
