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SubjectRe: Reminder for feature libata spindown skipping and warning removal date Dec 2008
Jaswinder Singh Rajput wrote:
> Hello Tejun,
> What: libata spindown skipping and warning
> When: Dec 2008
> Why: Some halt(8) implementations synchronize caches for and spin
> down libata disks because libata didn't use to spin down disk on
> system halt (only synchronized caches).
> Spin down on system halt is now implemented. sysfs node
> /sys/class/scsi_disk/h:c:i:l/manage_start_stop is present if
> spin down support is available.
> Because issuing spin down command to an already spun down disk
> makes some disks spin up just to spin down again, libata tracks
> device spindown status to skip the extra spindown command and
> warn about it.
> This is to give userspace tools the time to get updated and will
> be removed after userspace is reasonably updated.
> Who: Tejun Heo <>
> If you are facing any issue regarding feature removal kindly update the
> "Documentation/feature-removal-schedule.txt" like what you are waiting
> for.

Thanks for the reminder. Just sent out patch to kill the feature. :-)


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