tree 9d336fd4804aa7eabd41840c9d7f08f53607e8ce
parent 4bc74be997a72922170f4f272fd5e8074a3ecc27
author Paolo Bonzini <pbonzini@redhat.com> 1378314031 +0200
committer Stefan Hajnoczi <stefanha@redhat.com> 1378473909 +0200

block: use bdrv_has_zero_init to return BDRV_BLOCK_ZERO

Alternatively, this could use a "discard zeroes data" flag returned
by bdrv_get_info.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>