Re: [PATCHSET #upstream-fixes] libata: update HPA handling

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Jeff Garzik wrote:
> Tejun Heo wrote:
>> Hello,
>>
>> The current HPA handling implementation isn't robust enough and causes
>> regressions on several cases.  This patchset contains HPA handling
>> update.
>>
>> * blacklist devices which puke on READ_NATIVE_MAX
>> * proper/better error handling - in most cases, HPA failure won't
>>   result in detection failure
>> * re-read IDENTIFY data after resizing
>> * more concise messages
>>
>> Tested by setting up HPA area manually.
> 
> This is a bit big for 2.6.23-rc though :/

Agreed.  We can probably just get away with ATA_HORKAGE_BROKEN_HPA patch
for 2.6.23-rc but if we hit a device which is broken but isn't listed,
libata will fail to detect the device, which is a pretty serious regression.

-- 
tejun
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