Re: [PATCH, RFC] sysfs: relay channel buffers as sysfs attributes

[Christoph Hellwig]

On Sun, Feb 19, 2006 at 07:17:48PM +0200, Paul Mundt wrote:
> Now with relayfs integrated and the relay_file_operations exported for
> use by other file systems, I wonder what people think about adding in a
> sysfs attribute for setting up channel buffers.
> 
> The conventional relayfs doesn't make a lot of sense for the use cases
> where there are multiple devices to stream data from, particularly if
> they're already mapped out through the driver model. Rather than
> duplicating device enumeration, simply adding this as an attribute seems
> to work reasonably well.
> 
> Tom did some work on the rchan_callbacks for more easily implementing
> relay files in other file systems, and it would be nice to use this in a
> non-debug context, without duplicating device enumeration in multiple
> locations.

Hmm, this actually makes a lot of sense.  At this point we should probably
move the guts of relayfs into kernel/relay.c or something and add a different
config option for it.  Given this and debugs we could probably kill the
separate relayfs filesystem implementation.

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