Re: [PATCH] s390: Hypervisor File System

From: Jörn Engel
Date: Fri Apr 28 2006 - 13:47:58 EST


On Fri, 28 April 2006 19:37:08 +0200, Michael Holzheu wrote:
>
> +static void *diag204_get_buffer(enum diag204_format fmt, int *pages)
> +{
> + void *buf;
> +
> + if (fmt == INFO_SIMPLE)
> + *pages = 1;
> + else
> + *pages = diag204(SUBC_RSI | fmt, 0, 0);
> +
> + if (*pages <= 0)
> + return ERR_PTR(-ENOSYS);

Is -ENOSYS the right thing here? I thought it was for stuff not
implemented by Linux. If the hardware or some hypervisor would return
-ENOSYS, it would be -EIO from Linux' perspective. But I may be
wrong.

Jörn

--
Everything should be made as simple as possible, but not simpler.
-- Albert Einstein
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