Re: [PATCH] add check do_direct_IO() return val

[Badari Pulavarty]

On Tue, 2007-07-31 at 15:34 -0700, Andrew Morton wrote:
> On Tue, 31 Jul 2007 15:25:11 -0700
> Badari Pulavarty <pbadari@xxxxxxxxxx> wrote:
> 
> > +	dio->map_bh.b_state = 0;
> 
> ho hum, thanks.
> 
> We zero out so many fields in there now that a kzalloc() might yield
> a net gain.  0.000001% in an unnamed benchmark!

Yep. I think its worth doing a kzalloc(). I wanted to understand the
*actual*  problem to make sure we are addressing it, rather than 
kzalloc() made it disappear.

Thanks,
Badari

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