Re: [RFC PATCH 0/8] Ext4 encryption support for blocksize < pagesize

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On 01/13/2018 04:48 AM, Matthew Wilcox wrote:
> On Sat, Jan 13, 2018 at 10:58:00AM +0530, Chandan Rajendra wrote:
>> On Saturday, January 13, 2018 12:37:59 AM IST Randy Dunlap wrote:
>>> On 01/12/18 06:11, Chandan Rajendra wrote:
>>>> This patchset implements code to support encryption of Ext4 filesystem
>>>> instances that have blocksize less than pagesize. The patchset has
>>>> been tested on both ppc64 and x86_64 machines.
>>>
>>> strictly "less than" or "less than or equal to"?
>>
>> I have tested the patchset for the use cases of "less than or equal to
>> page size" i.e. On ppc64, the patchset was tested with blocksizes of 
>> 4k and 64k. On x86_64, the patchset was tested with blocksizes of 2k 
>> and 4k.
> 
> I think there's a miscommunication here.  ext4 already supports encryption
> of filesystems with block size == page size.  Chandan is adding support
> for encrypting filesystems with block size < page size.  Without removing
> support for block size == page size ;-)

I see.  Thanks for the clarification.


-- 
~Randy



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