linux-kernel - Re: Ext3 vs NTFS performance

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Date:	Wed, 02 May 2007 16:38:55 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Theodore Tso <tytso@....edu>, Jeremy Allison <jra@...ba.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Cabot, Mason B" <mason.b.cabot@...el.com>,
	linux-kernel@...r.kernel.org, tridge@...ba.com
Subject: Re: Ext3 vs NTFS performance

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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