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SubjectRe: [patch] optimize o_direct on block device - v2
On Tue, 5 Dec 2006 11:02:30 +0000
Christoph Hellwig <hch@infradead.org> wrote:

> > + long res;
> > +
> > + if ((bio->bi_rw & 1) == READ)
>
> I just wanted to complain about not using a proper helper for this,
> but apparently we don't have one yet..

There's bio_data_dir().
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