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Date: Fri, 30 Mar 2007 12:44:49 +0200
From: =?utf-8?B?SsO2cm4=?= Engel <joern@lazybastard.org>
To: Paul Mackerras <paulus@samba.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>,
       Andrew Morton <akpm@linux-foundation.org>,
       "Amit K. Arora" <aarora@linux.vnet.ibm.com>,
       torvalds@linux-foundation.org, linux-fsdevel@vger.kernel.org,
       linux-kernel@vger.kernel.org, linux-ext4@vger.kernel.org,
       xfs@oss.sgi.com, suparna@in.ibm.com, cmm@us.ibm.com
Subject: Re: Interface for the new fallocate() system call
Message-ID: <20070330104449.GA9371@lazybastard.org>
References: <20070225022326.137b4875.akpm@linux-foundation.org> <20070301183445.GA7911@amitarora.in.ibm.com> <20070316143101.GA10152@amitarora.in.ibm.com> <20070316161704.GE8525@osiris.boeblingen.de.ibm.com> <20070317111036.GC29931@parisc-linux.org> <20070321120425.GA27273@amitarora.in.ibm.com> <20070329115126.GB7374@amitarora.in.ibm.com> <20070329101010.7a2b8783.akpm@linux-foundation.org> <20070330071929.GC8365@osiris.boeblingen.de.ibm.com> <17932.54606.323431.491736@cargo.ozlabs.ibm.com>
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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