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Date:	Thu, 5 Jun 2008 10:01:03 -0700
From:	Stephen Hemminger <>
To:	Roland Dreier <>
Cc:	Dave Dillow <>,
	Amar Mudrankit <>,
	Greg KH <>,,,
Subject: Re: [ofa-general] Re: [PATCH v3 08/13] QLogic VNIC: sysfs interface
 implementation for the driver

On Thu, 05 Jun 2008 09:38:36 -0700
Roland Dreier <> wrote:

>  > That said, given that SRP's been using sysfs since it went in, is there
>  > a reason to move to configfs other than it's the new preferred way to do
>  > it? Given the desire to not break ABI's -- and IIRC sysfs was declared to
>  > be under that unbrella -- wouldn't we have to at least carry both
>  > interfaces for a while, assuming we can even get rid of the sysfs one?
> Yes, we'd definitely be carrying both interfaces for at least a year.
> Looking further into this, I'm not sure it makes much sense either.
> Another problem with configfs is that the lifetime of the object is
> controlled by userspace.  So if we lose a connection to a target,
> the object will persist in configfs until userspace notices.
>  - R.

There is nothing stopping adding a well designed alternate interface.
Either netlink or ioctl's are okay. As long as it is 32/64 bit clean.
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