Re: I think I've found why Xen domUs can't mount some file-backed disk images! (vnd(4) hides labels!)

[Robert Elz]

    Date:        Sun, 11 Apr 2021 14:25:40 -0000 (UTC)
    From:        mlel...@serpens.de (Michael van Elst)
    Message-ID:  <s4v0t4$5c8$1...@serpens.de>

  | +       dg->dg_secperunit = vnd->sc_size / DEV_BSIZE;

While it shouldn't make any difference for any properly created image
file, make it be

                        (vnd->sc_size + DEV_BSIZE - 1) / DEV_BSIZE;

so that any trailing partial sector remains in the image.

kre