Re: kiobuf question

From: Manfred Spraul (manfreds@colorfullife.com)
Date: Mon Apr 17 2000 - 11:09:03 EST

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"Stephen C. Tweedie" wrote:
>
> > And I don't understand why we have b_kiobuf at all: AFAICS the kiobuf
> > functions could use b_dev_id.
>
> I wondered about that, but there's a problem if any device drivers
> want to use that field themselves. In particular, if lvm or soft
> raid decides to start using that field in buffer_heads passed into
> those drivers, we're in trouble.
>
soft raid creates a new buffer head, and uses b_dev_id in that new
buffer_head. I'll check lvm.

-- Manfred

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