[Bugs] [Bug 1410425] [GNFS+EC] Cthon failures/issues with Lock/ Special Test cases on disperse volume with GNFS mount

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1410425



--- Comment #3 from Pranith Kumar K <pkarampu at redhat.com> ---
(In reply to Xavier Hernandez from comment #2)
> The problem is that the locked range is treated exactly as it's done in
> inodelk (i.e. the range is aligned to multiples of 512). However in this
> case it doesn't make sense to do that transformation because the range
> itself doesn't have any meaning for ec (if a later write tries to modify any
> region of the file, the proper inodelk will be taken).
> 
> I think we should remove the transformation and simply pass the input values
> to the lower subvolumes.

Good that we are on the same page on this. I have the patch ready. I cloned it
to send that patch :-). I wonder what happens for mandatory locking, where a
write will be rejected if there is a lock in a region. Will post the patch as
soon as I am done finding the answer.

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