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	Wed, 12 Feb 2003 18:23:33 -0500
Subject: Re: O_DIRECT foolish question
From: Bruno Diniz de Paula <diniz@cs.rutgers.edu>
To: Chris Wedgwood <cw@f00f.org>
Cc: linux-kernel@vger.kernel.org
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On Wed, 2003-02-12 at 18:24, Chris Wedgwood wrote:
> On Wed, Feb 12, 2003 at 06:02:58PM -0500, Bruno Diniz de Paula wrote:
>=20
> > ext2.
>=20
> are you able to test with another fs? (reiserfs and XFS also support
> O_DIRECT)

Unfortunately not, I just have ext2 partitions here...

>=20
> > read(3, "", 4096)                       =3D 0
>=20
> odd... I'm not sure why you get this
>=20
> i tested locally here and it works as expected ... my test code is
> appended.

But your code doesn't use O_DIRECT:

if ((h =3D open("test", O_RDONLY)) < 0)

Let me know whether including O_DIRECT the test worked.

Bruno.

>=20
>=20
>   --cw
--=20
Bruno Diniz de Paula <diniz@cs.rutgers.edu>
Rutgers University

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