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Date: Tue, 27 Aug 2002 13:13:37 -0600 (MDT)
From: Thunder from the hill <thunder@lightweight.ods.org>
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To: "Peter T. Breuer" <ptb@it.uc3m.es>
cc: linux kernel <linux-kernel@vger.kernel.org>
Subject: Re: block device/VM question
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Hi,

On Tue, 27 Aug 2002, Peter T. Breuer wrote:
> Yecch. I have the inode of the sepecial device file. I don't want to
> know the name. I even have a file pointer.

Then you're obviously for the wrong stuff.

> In dentry_open(), we get a struct file f = get_empty_filp(), and then
> fill out various of its fields with enormously obscure things.

For a good reason: we always need to fill in the values somewhere, they 
don't quite come from heaven.

> And for the O_DIRECT flag we seem to do alloc_kiovec(1, &f->f_iobuf).

Perhaps we should go biovec here?

For you, if you can stand it you can even go directly into the dio stuff 
from direct-io.c. You'll just need to know what to do. Or you fill your 
information into some underway function.

			Thunder
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