On Tue, Dec 20 2005, Linus Torvalds wrote:
>
>
> On Tue, 20 Dec 2005, Jens Axboe wrote:
> >
> > There _was_ a bug in the SCSI layer, because it had logic like this:
> >
> > if (rq_data_dir(req) == WRITE)
> > DMA_TO_DEVICE
> > else if (req->data_len)
> > DMA_FROM_DEVICE
> > else
> > DMA_NONE
> >
> > which was buggy, because for it to transfer data to the device, both the
> > direction bit _and_ a data length must be set.
>
> So this is fixed? Is that the iPod panic fix, or something else?
Yes it's fixed, James merged the fix(es) with you last week.
> If so, I'll drop that patch (although the "allow_removal" part of it
> sounds sane to me still.. comments?)
I guess that's fine with me, the only thing I reject to is the 0x01 bit.
--
Jens Axboe
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