On Tue, 15 May 2001, H. Peter Anvin wrote:
> Alexander Viro wrote:
> > >
> > > What else could it be, since it's a "struct inode *"? NULL?
> >
> > struct block_device *, for one thing. We'll have to do that as soon
> > as we do block devices in pagecache.
> >
>
> How would you know what datatype it is? A union? Making "struct
> block_device *" a "struct inode *" in a nonmounted filesystem? In a
> devfs? (Seriously. Being able to do these kinds of data-structural
> equivalence is IMO the nice thing about devfs & co...)
void *.
Look, methods of your address_space certainly know what they hell they
are dealing with. Just as autofs_root_readdir() knows what inode->u.generic_ip
really points to.
Anybody else has no business to care about the contents of ->host.
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