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SubjectRe: block device/VM question
Date
"A month of sundays ago ptb wrote:"
> "A month of sundays ago ptb wrote:"
> > "A month of sundays ago Thunder from the hill wrote:"
> > > > And for the O_DIRECT flag we seem to do alloc_kiovec(1, &f->f_iobuf).
> > >
> > > Perhaps we should go biovec here?

I've now tried opening the ram disk device O_DIRECT in 2.4.19. Same result
as on my driver: every write returns EINVAL.

How does one use O_DIRECT? It needs driver support?

Peter
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