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Re: I think I've found why Xen domUs can't mount some file-backed disk images! (vnd(4) hides labels!)
kre%munnari.OZ.AU@localhost (Robert Elz) writes:
> Date: Sun, 11 Apr 2021 14:25:40 -0000 (UTC)
> From: mlelstv%serpens.de@localhost (Michael van Elst)
> Message-ID: <s4v0t4$5c8$1%serpens.de@localhost>
> | + 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.
The trailing partial sector is already ignored. Fortunately no disk image
can even have a partial trailing sector and some magically implicit
padding would have unexpected side effects.
But the code also needs to be adjusted for different sector sizes.
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