Message-ID: <4638F6DF.7020400@garzik.org>
Date: Wed, 02 May 2007 16:38:55 -0400
From: Jeff Garzik <jeff@garzik.org>
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To: Theodore Tso <tytso@mit.edu>, Jeremy Allison <jra@samba.org>,
       Andrew Morton <akpm@linux-foundation.org>,
       "Cabot, Mason B" <mason.b.cabot@intel.com>,
       linux-kernel@vger.kernel.org, tridge@samba.com
Subject: Re: Ext3 vs NTFS performance
References: <B326D0531AF1BA48B4C1E9EBA239A050033DB3C1@scsmsx412.amr.corp.intel.com> <20070501142325.09c294bd.akpm@linux-foundation.org> <20070502161638.GB19442@thunk.org> <20070502180810.GC28726@jeremy-laptop> <20070502193456.GE19442@thunk.org>
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Theodore Tso wrote:
> 	FYI, we are currently closing on a new system call so that
> glibc's fallocate() will be able to call into the appropriate
> per-filesystem routines in a portable way, since ext4 will have
> persistent preallocation support.

Yep.


> 	I think we mostly have consensus on a calling convention which
> all of the architectures (s390, power, arm, ia64, etc.); of course
> then we will need to get glibc to support the new system call.

glibc has had support for a while, in emulated form: 
http://www.uwsg.iu.edu/hypermail/linux/kernel/0004.1/1153.html

So when kernel support arrives, it should be easy and (hopefully) 
seamless to plug in the new syscall.

	Jeff


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