Re: Ask help for code review (was Re: [PATCH 03/14] bcache: add initial data structures for nvm pages)

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On 6/23/21 7:49 PM, Christoph Hellwig wrote:
> On Wed, Jun 23, 2021 at 06:05:51PM +0800, Coly Li wrote:
>> The cache device (typically SSD) of bcache is designed to dedicate to a
>> single local machine. Any
>> storage migration between machines with different endians should firstly
>> flush the dirty data to
>> backing hard drive.
> Now my G5 died and I need to recover the data using my x86 laptop,
> what am I going to do?
>
>>>> If not, it won't be a problem here for this specific use case.
>>> It could change between one use and another.
>> Hmm, I don't understand the implicit meaning of the above line.
>> Could you please offer a detail example ?
> There is no guarantee you nvdimm or CXL memory device will show up
> at the same address.

Copied, I fully understand. Now I am working on the full pointer to
[base + offset] convert.

Thanks for your patient explanation :-)

Coly Li



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