Re: [PATCH] pnfs: do not reset to mds if wb_offset != wb_pgbase

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On Mon, Mar 18, 2013 at 12:22 PM, Benny Halevy <bhalevy@xxxxxxxxxx> wrote:

>> NACK. I see no evidence that we've addressed the issues that were raised
>> by Fred in commit 1825a0d08f22463e5a8f4b1636473efd057a3479 (NFS: prepare
>> coalesce testing for directio).
>> If you think that his concerns about the coalescing assumptions are no
>> longer true, then please point to why this is the case. AFAICR that
>> patch was added to fix corruption issues.
>>
>
> We see no problems with this patch with the workloads we're testing.
> Do you have a test that reproduces the original problem that we can try running?
>
> Benny

A problem case is if the layout ends within the page request, which
can happen due to the misalignment.

Fred
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