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    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/

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