access beyond end of device?

[Bill McGonigle]

On Jul 12, 2005, at 22:14, Benjamin Scott wrote:

>   I'd be kinda surprised if that actually worked.  I'm pretty sure 
> there would be metadata past the end of the device if the filesystem 
> actually was truncated.

Where's it stored if the device ran out a few blocks ago?

>  Certainly, I'd try fsck first.

Definitely.

> Given that the block being requested is way beyond the original size 
> of the filesystem, I think it's far more likely that some piece of 
> metadata is pointing into hyperspace, rather then the filesystem as a 
> whole being screwed up.

Right, but that metadata must live within the bounds of the device if 
it's being seen by the filesystem driver in the first place.  A resize 
_ought_ to redo those so they point to reachable locations.

-Bill

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