linux-kernel - Re: [PATCH 1/3] BTRFS: support NFSv2 export

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Date:	Thu, 24 Sep 2015 11:59:02 +1000
From:	Neil Brown <neilb@...e.de>
To:	dsterba@...e.cz
Cc:	Josef Bacik <jbacik@...com>, Chris Mason <clm@...com>,
	Jan Kara <jack@...e.cz>,
	Ryusuke Konishi <konishi.ryusuke@....ntt.co.jp>,
	linux-fsdevel@...r.kernel.org, linux-nfs@...r.kernel.org,
	linux-nilfs@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-btrfs@...r.kernel.org
Subject: Re: [PATCH 1/3] BTRFS: support NFSv2 export

David Sterba <dsterba@...e.cz> writes:

> On Fri, May 08, 2015 at 10:16:23AM +1000, NeilBrown wrote:
>> The "fh_len" passed to ->fh_to_* is not guaranteed to be that same as
>> that returned by encode_fh - it may be larger.
>> 
>> With NFSv2, the filehandle is fixed length, so it may appear longer
>> than expected and be zero-padded.
>> 
>> So we must test that fh_len is at least some value, not exactly equal
>> to it.
>> 
>> Signed-off-by: NeilBrown <neilb@...e.de>
>
> Acked-by: David Sterba <dsterba@...e.cz>

Thanks.  However I just checked mainline and this still hasn't been
applied.
Should I resend it to someone?  Who?

Thanks,
NeilBrown

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