Messages in this thread | | | Date | Sun, 16 May 2010 00:19:03 -0700 (PDT) | Subject | Re: [PATCH 8/8] libata: implement on-demand HPA unlocking | From | David Miller <> |
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From: Tejun Heo <tj@kernel.org> Date: Sat, 15 May 2010 20:09:34 +0200
> Implement ata_scsi_unlock_native_capacity() which will be called > through SCSI layer when block layer notices that partitions on a > device extend beyond the end of the device. It requests EH to unlock > HPA, waits for completion and returns the current device capacity. > > This allows libata to unlock HPA on demand instead of having to decide > whether to unlock upfront. Unlocking on demand is safer than > unlocking by upfront because some BIOSes write private data to the > area beyond HPA limit. This was suggested by Ben Hutchings. > > Signed-off-by: Tejun Heo <tj@kernel.org> > Suggested-by: Ben Hutchings <ben@decadent.org.uk>
Acked-by: David S. Miller <davem@davemloft.net>
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