[parted-devel] [PATCH 9/9] libparted: device mapper uses 512b sectors

[Phillip Susi]

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On 2/6/2015 4:42 PM, Brian C. Lane wrote:
>> It is at least true under normal circumstances... iirc though,
>> the test harness uses PED_SECTOR_SIZE to force parted to ignore
>> the size the disk reports and pretend it has a larger sector
>> size.  Is that what is going on here?  If so then then problem is
>> only with the test harness and I'm not entirely sure using that
>> override that way is really supported.  In other words, this kind
>> of feels like a "don't do that" bug.  On the other hand, I
>> suppose it wouldn't *hurt* to fix it.
> 
> That's probably also happening, but I can reproduce it outside of
> the test harness:

OH!  They must have changed devmapper to report larger sector sizes,
while still using fixed 512 byte sectors in the mapping tables.  If
that is the case, then ACK.


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