Re: [PATCH 2/3] nfsd: Add ALLOCATE support

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On 09/09/2014 11:55 AM, Christoph Hellwig wrote:
> On Tue, Sep 09, 2014 at 10:49:41AM -0400, Anna.Schumaker@xxxxxxxxxx wrote:
>> From: Anna Schumaker <Anna.Schumaker@xxxxxxxxxx>
>>
>> The ALLOCATE operation is used to preallocate space in a file.  I use
>> vfs_fallocate() to do the actual preallocation.
>>
>> Signed-off-by: Anna Schumaker <Anna.Schumaker@xxxxxxxxxx>
> 
> Looks largely good, but can you do an audit how the error codes match
> the spec?  E.g. We return -ENODEV in do_fallocate if it's called on
> a special file, but that doesn't translate to any valid error codes
> for ALLOCATE in the NFSv4.2.

Good idea, I'll look into it!

Anna
> 
> I guess it should be NFSERR_NOTSUPP, and I'll work with Tom to actually
> define this case in the spec.
> 

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