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SubjectRe: [resend v1 5/5] drivers/scsi/sd.c: Convert to use disk_set_capacity


> Yes, there are some storage arrays that refuse a READ CAPACITY
> command in certain ALUA states so you can't get the new capacity
> anyway.

Yep. And some devices will temporarily return a capacity of
0xFFFFFFFF... If we were to trigger a filesystem resize, the results
would be disastrous.

> It might be nice to improve this, though, there are some cases now
> where we set the capacity to zero when we revalidate and can't get the
> value.

If you have a test case, let's fix it.

Martin K. Petersen Oracle Linux Engineering

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