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SubjectRe: open(.. O_DIRECT ..) difference in between Linux and FreeBSD ..

Arjan van de Ven wrote:
> On Fri, Jun 13, 2003 at 01:12:57AM +0200, Rob van Nieuwkerk wrote:
> > FYI:
> > It appears that somewhere between RH kernels 2.4.18-27.7.x and 2.4.20-18.9
> > something has changed so that my application needs a O_SYNC too besides
> > the O_DIRECT to make sure that writes will be synchronous. If I leave
> > the O_SYNC out with 2.4.20-18.9 the write will happen physically 35
> > seconds after the write() was done.
> O_DIRECT is nothing but a hint and the 2.4.20-18.9 kernel decides to not
> honor it

Hi Arjan,

Do you mean that the 2.4.20-18.9 kernel always ignores the O_DIRECT flag ?

Rob van Nieuwkerk
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