lkml.org 
[lkml]   [2003]   [Aug]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: linux-2.6.0-test2-mm4 O_DIRECT
From
Date
O_DIRECT also works for me on ext3 using regular write and async i/o
using 512-byte i/o.

Is your buffer alignment correct?
O_DIRECT requires a 512-byte aligned buffer.

Daniel
On Wed, 2003-08-06 at 14:32, RaTao wrote:
> Hi!
>
> I've correct my (don't know how) misspelled subject :)
>
> Andrew Morton wrote:
>
> [..snip..]
> >
> >
> > It works OK here.
> >
> >
> >>- vmstat doesn't show bi/bo for O_DIRECT's disk access.
> >
> >
> > It does here.
> >
>
> Maybe goofed somewhere. I can't test it again today, I'll do it tomorrow.
>
>
> >
> > I'd be suspecting your test app: is it checking the return value of all
> > syscalls?
>
> I'll double check.
> Thanks,
>
> Ratao
>
>
>
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:47    [W:0.071 / U:3.984 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site