linux-kernel - Re: Show module version sysfs file for built-in modules?

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Date:	Tue, 28 Jul 2009 22:23:38 -0700
From:	Greg KH <greg@...ah.com>
To:	Tomas Carnecky <tom@...ervice.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Show module version sysfs file for built-in modules?

On Fri, Jul 24, 2009 at 09:08:51PM +0200, Tomas Carnecky wrote:
> Some userspace tools check /sys/modules/XYZ/version to determine  
> whether the required module is available and the version compatible  
> with the userspace tool. But that sysfs file is not shown when the  
> module is built into the kernel (as opposed being a loadable module).  
> Is there a reason for that behavior? Or is there another way for  
> userspace to check the presence and version of a module?
> The userspace tool in question here is the open-iscsi daemon (iscsid)  
> which checks /sys/modules/scsi_transport_iscsi/version and refuses to  
> start if that file doesn't exist.

A patch to fix this would probably be gladly accepted.

thanks,

greg k-h
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