Re: O_DIRECT foolish question

[Bruno Diniz de Paula <diniz@cs.rutgers.edu>]

[-- Attachment #1: Type: text/plain, Size: 712 bytes --]

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

[-- Attachment #2: This is a digitally signed message part --]
[-- Type: application/pgp-signature, Size: 189 bytes --]