Re: [PATCH] libata: track spindown status and skip spindown_compat if possible

[Jeff Garzik <jeff@garzik.org>]

Tejun Heo wrote:
> Our assumption that most distros issue STANDBYNOW seems wrong.  The
> upstream sysvinit and thus many distros including gentoo and opensuse
> don't take any action for libata disks on spindown.  We can skip
> compat handling for these distros so that they don't need to update
> anything to take advantage of kernel-side shutdown.
> 
> Signed-off-by: Tejun Heo <htejun@gmail.com>
> ---
> 
> This patch is generated on top of fix-shutdown-warning-message-printing.
> 
>   http://article.gmane.org/gmane.linux.ide/18823
> 
> Jeff, I think we can avoid a lot of problems with this.  Those distros
> which didn't do anything on shutdown would still cause emergency
> unload on older kernels but at least it isn't a regression and things
> should just work on newer kernels.
> 
> If you ack this, I'll update the shutdown.html page accordingly.
> Thanks.

applied to #upstream-fixes