linux-kernel - Re: Interface for the new fallocate() system call

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Message-ID: <20070330104449.GA9371@lazybastard.org>
Date:	Fri, 30 Mar 2007 12:44:49 +0200
From:	Jörn Engel <joern@...ybastard.org>
To:	Paul Mackerras <paulus@...ba.org>
Cc:	Heiko Carstens <heiko.carstens@...ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Amit K. Arora" <aarora@...ux.vnet.ibm.com>,
	torvalds@...ux-foundation.org, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-ext4@...r.kernel.org,
	xfs@....sgi.com, suparna@...ibm.com, cmm@...ibm.com
Subject: Re: Interface for the new fallocate() system call

On Fri, 30 March 2007 19:15:58 +1000, Paul Mackerras wrote:
> Heiko Carstens writes:
> 
> > If possible I'd prefer the six-32-bit-args approach.
> 
> It does mean extra unnecessary work for 64-bit platforms, though...

Wouldn't that work be confined to fallocate()?  If I understand Heiko
correctly, the alternative would slow s390 down for every syscall,
including more performance-critical ones.

Jörn

-- 
tglx1 thinks that joern should get a (TM) for "Thinking Is Hard"
-- Thomas Gleixner
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