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

[Eric Dumazet]

Le vendredi 08 octobre 2010 Ã 11:19 +0100, Al Viro a Ãcrit :
> 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...

lsof for example uses i_ino



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