Re: O_DIRECT foolish question

From: Bruno Diniz de Paula (diniz@cs.rutgers.edu)
Date: Wed Feb 12 2003 - 18:33:23 EST


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:
>
> > ext2.
>
> are you able to test with another fs? (reiserfs and XFS also support
> O_DIRECT)

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

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

But your code doesn't use O_DIRECT:

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

Let me know whether including O_DIRECT the test worked.

Bruno.

>
>
> --cw

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


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