Re: [PATCH] xfststs: add a helper to get the minimum dio size

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On 11/12/13, 12:30 PM, Christoph Hellwig wrote:
> On Tue, Nov 12, 2013 at 12:13:16PM -0600, Eric Sandeen wrote:
>> On 11/6/13, 4:59 AM, Christoph Hellwig wrote:
>>> Various tests opencode checks to find out the minimum support direct I/O
>>> size.  Replace those with a generic helper that handles network filesystems as
>>> well.  Also remove the Linux 2.4 workaround we had in once place.
>>>
>>> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
>>
>> No callers of min_dio_alignment w/o a blockdev right?  But I guess
>> that fallback is harmless.
> 
> All network filesystems will not have a device here.  Not sure how the
> btrfs pool names work, but that would be another suspect.
> 

Ah, sure.  So when running on NFS the blkdev is unset.  Wasn't thinking
about it that way, thanks.

-Eric

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