On Tue, Dec 20, 2016 at 10:30:34AM -0800, James Bottomley wrote:
> I'd actually disagree with this assertion; it's why tagging (what you
> mean by ncq) and queue depth are separate. Queue depth represents the
> number of outstanding commands we sent on the wire; however, it often
> excludes things
On Tue, 2016-12-20 at 10:15 -0800, Peter Chang wrote:
> we discovered this when futzing w/ the queue depth parameter for ata
> disks behind the pm8006 controller. setting depth == 1 should disable
> ncq, but the sysfs part silently fails and we continue sending the
> fpdma command variants. no one
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Subject: [PATCH] set a base index for libsas based ata devices
libsas hosts allow multiple links, but when the controller
supports SATA devices control is handed to libata. this means
that an attached scsi device will be setup properly, but device
management requests and sysfs futzing don&#x
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