>> I added devsd and wrote an sd loopback yesterday afternoon.
>> It worked pretty well except that when I ran fdisk,
>> /dev/sd00/data disappeared. I was going to debug that
>> before saying anything.
>
> Here's the fix for the fdisk problem:
>
> /sys/src/cmd/disk/prep/edit.c:503,508 - edit.c:503,509
> */
> for(i=0; i<edit->nctlpart; i++) {
> p = edit->ctlpart[i];
> + if(strncmp(p->ctlname, "data", 5) != 0)
> if(p->changed)
> if(fprint(ctlfd, "delpart %s\n", p->ctlname)<0) {
> fprint(2, "delpart failed: %s: %r\n", p->ctlname);
i don't think this is the right solution.
as geoff pointed out, fdisk shouldn't be deleteing the parent
partition or any partitions that lie outside its parent partition.
obviously prep has a similar problem.
- erik