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SubjectRe: [git patches] libata fixes
On Wed, 27 Jun 2007 03:35:26 -0400 Jeff Garzik <jeff@garzik.org> wrote:

> + /* Don't allow DMA if it isn't multiple of 16 bytes. Quite a
> + * few ATAPI devices choke on such DMA requests.
> + */
> + if (unlikely(qc->nbytes & 15))
> + return 1;

It might be worth emitting a diagnostic when this happens.
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