Re: [PATCH] leds: Extends disk trigger for reads and writes

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On Tue, Feb 27, 2018 at 10:15:31AM -0800, Tejun Heo wrote:
> On Sat, Feb 24, 2018 at 11:45:56PM +0100, Linus Walleij wrote:
> > This adds two new disk triggers for triggering on reads
> > and writes respectively, named "disk-read" and "disk-write".
> > 
> > The use case comes from working on the D-Link DNS-313 NAS
> > box. This features an RGB LED for disk activity. with
> > these two triggers I can couple the green LED to read
> > activity and the red LED to write activity, which gives
> > the appropriate user feedback about what is happening
> > on the disk. When tested it gave exactly the feedback
> > desired.
> > 
> > The in-kernel interface is simply changed to pass a bool
> > indicating if the activity is write activity and update
> > each trigger (and the composite "disk-activity" trigger)
> > depending on what is passed in.
> > 
> > This requires an ACK from the libata/IDE maintainers.
> > 
> > Cc: Tejun Heo <tj@xxxxxxxxxx>
> > Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
> > Cc: Jacek Anaszewski <jacek.anaszewski@xxxxxxxxx>
> > Cc: Pavel Machek <pavel@xxxxxx>
> > Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
> 
> For libata part,
> 
>  Acked-by: Tejun Heo <tj@xxxxxxxxxx>

Ooh, btw, we have READ and WRITE macros defined in linux/kernel.h.  It
might be a better idea to use them instead of bool.

Thanks.

-- 
tejun
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