From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Sat, 25 Aug 2001 12:34:53 -0600
From: Andreas Dilger <adilger@turbolabs.com>
Subject: Re: [linux-lvm] LVM, rawio, ext2?
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References: <20010823014012.A32700@greenhydrant.com> <46CEA578.B03DDD14@qis-systemhaus.de> <20010824194456.A25251@greenhydrant.com> <20010825131329.B337103@wobbly.melbourne.sgi.com> <20010824214131.A26364@greenhydrant.com>
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In-Reply-To: <20010824214131.A26364@greenhydrant.com>; from dbr@greenhydrant.com on Fri, Aug 24, 2001 at 09:41:31PM -0700
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To: David Rees <dbr@greenhydrant.com>, linux-lvm@sistina.com

On Aug 24, 2001  21:41 -0700, David Rees wrote:
> Getting off-topic now, but as far as I know, no.  Is it possible to use
> chattr or some other tool to force it to open in O_DIRECT mode?

You can get per-file synchronous I/O behaviour by using 'chattr +s <file>'.
This is not quite the same as O_DIRECT, because it still buffers the data.

Cheers, Andreas
-- 
Andreas Dilger
http://sourceforge.net/projects/ext2resize/
http://www-mddsp.enel.ucalgary.ca/People/adilger/