lkml.org 
[lkml]   [2003]   [Jul]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: 2.5 'what to expect'
On Jul 12, 2003  20:46 +0100, Jamie Lokier wrote:
> Jeff Garzik wrote:
> > Jamie Lokier wrote:
> > >2.4 fails on write()? A strace of "rpm --rebuilddb" shows it is
> > >opening with O_DIRECT and writing just fine. Or does that only work
> > >with RedHat's 2.4 kernels?
> >
> > Are you testing on a filesystem where an O_DIRECT is not supported?
> > The "it works" case is not an issue.
>
> ext3.

ext3 in 2.4 kernels does not support O_DIRECT. To confuse matters,
recent RH kernels silently ignore O_DIRECT if you are not root, so
you may think O_DIRECT is being used, but it isn't.

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

-
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 13:46    [W:0.074 / U:0.160 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site