Re: Block driver design issue

From: Manfred Spraul (manfred@colorfullife.com)
Date: Mon Feb 12 2001 - 12:30:58 EST

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In reply to: LA Walsh: "Block driver design issue"
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LA Walsh wrote:
>
>
> I find this duplication of code to be inefficient. Is there a way to dummy up the
> the 'buf' address so that the "copy_from_user" will copy the buffer from kernel space?
> My assumption is that it wouldn't "just work" (which may also be an invalid assumption).
>
> Suggestions? Abuse?
>

set_fs(KERNEL_DS)?

After that call copy_from_user() will accept kernel space addresses.

--
	Manfred
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Next message: Douglas Gilbert: "Re: devfs: "cd" device not showing up initially. [Fwd: Scan past lun 7 in"
Previous message: Alan Cox: "Linux 2.2.19pre10"
In reply to: LA Walsh: "Block driver design issue"
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