Re: [patch 00/22] pollfs: filesystem abstraction for pollable objects

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On Wed, 2 May 2007, Davi Arnaut wrote:

> Davide Libenzi wrote:
> > On Tue, 1 May 2007, Andrew Morton wrote:
> > 
> >   
> > > David, could you provide some feedback please?  The patches are stunningly
> > > free of comments, but you used to do that to me pretty often so my
> > > sympathy
> > > is limited ;)
> > >     
> > 
> > You bastard! :)
> > Ok, from a brief look ...
> > 
> > [general]
> > The code adds an extra indirection over the already existing
> > file_operations, that IMO already sufficently abstract a file.
> > The compat code, if I read it correctly, does not support files crossing
> > 32/64 bits boundaries (exec or SCM_RIGHTS).
> > 
> >   
> 
> The compat code is not already finished, I plan to address compat
> code on the next version.

How? Compat on sys_read/sys_write?



> > [timers]
> > Returns a structure instead of a 32 bit counter (ala timerfd), and needs
> > extra compat code.
> >   
> 
> Yes, but the compat code will be quite small.

Why would that be even justified?



> > [signal]
> > All the discussions that went on for signalfd has been lost. It pins the
> > task struct and it does not handle process detach signaling.
> >   
> 
> No, I just went into a different direction.

I'd say wrong, because signalfd addressed valid concerns of quite a few 
ppl.



- Davide


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