Re: [PATCH 15/18] fs: introduce a per-cpu last_ino allocator

[Al Viro]

On Fri, Oct 08, 2010 at 12:09:44PM +0200, Andi Kleen wrote:

> > Can be done if you bother to add ->getattr() for those, but you'll need
> > to do some kind of lazy allocation of inumbers for those; fstat() _will_
> > want st_ino.
> 
> Why not just put 0 in st_ino for sockets/pipes/etc. ? 

Because it's a userland-visible change; right now you can compare
i_ino for sockets...
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