From: =?utf-8?B?SsO2cm4=?= Engel Subject: Re: Interface for the new fallocate() system call Date: Fri, 30 Mar 2007 12:44:49 +0200 Message-ID: <20070330104449.GA9371__38020.4174471602$1175295811$gmane$org@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> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Heiko Carstens , Andrew Morton , "Amit K. Arora" , 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 To: Paul Mackerras Return-path: Received: from lazybastard.de ([212.112.238.170]:59268 "EHLO longford.lazybastard.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750863AbXC3MlS (ORCPT ); Fri, 30 Mar 2007 08:41:18 -0400 Content-Disposition: inline In-Reply-To: <17932.54606.323431.491736@cargo.ozlabs.ibm.com> Sender: linux-ext4-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org On Fri, 30 March 2007 19:15:58 +1000, Paul Mackerras wrote: > Heiko Carstens writes: >=20 > > If possible I'd prefer the six-32-bit-args approach. >=20 > 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. J=C3=B6rn --=20 tglx1 thinks that joern should get a (TM) for "Thinking Is Hard" -- Thomas Gleixner