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From: David Miller <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
Subject: Re: 2.6.27-rc4-git1: Reported regressions from 2.6.26
Date: Wed, 27 Aug 2008 15:43:43 -0700 (PDT)
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From: Linus Torvalds <torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
Date: Wed, 27 Aug 2008 15:38:16 -0700 (PDT)

> Btw, why is unlocked_ioctl returning "long"? Does anybody depend on that 
> too? That's another difference between the "unlocked" and the traditional 
> version..

The return values want to be "long" sign extended all the way back
down to syscall dispatch, I think this is just an effort to add
some consistency here so that the int --> long extension eventually
can be eliminated once unlocked_ioctl is the only case left.