linux-kernel - Re: LTP ustat01 test fails on NFSROOT

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Message-Id: <45407DEE-37D0-437A-AF5F-17557D028E1A@kernel.crashing.org>
Date:	Mon, 29 Oct 2007 09:41:16 -0500
From:	Kumar Gala <galak@...nel.crashing.org>
To:	Trond Myklebust <Trond.Myklebust@...app.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	nfs@...ts.sourceforge.net, neilb@...e.de, bfields@...ldses.org,
	chuck.lever@...cle.com
Subject: Re: LTP ustat01 test fails on NFSROOT


On Oct 26, 2007, at 4:42 AM, Kumar Gala wrote:

>
> On Oct 25, 2007, at 12:59 PM, Trond Myklebust wrote:
>
>> Could you please try the following patch?
>>
>> Cheers
>>   Trond
>> --------------------------------- CUT HERE  
>> -----------------------------
>> From: Trond Myklebust <Trond.Myklebust@...app.com>
>> Date: Thu, 25 Oct 2007 13:56:10 -0400
>> NFS: Fix the ustat() regression
>>
>> Since 2.6.18, the superblock sb->s_root has been a dummy dentry  
>> with a
>> dummy inode. This breaks ustat(), which actually uses sb->s_root in a
>> vfstat() call.
>>
>> Fix this by making the s_root a dummy alias to the directory inode  
>> that was
>> used when creating the superblock.
>>
>> Signed-off-by: Trond Myklebust <Trond.Myklebust@...app.com>
>> ---
>>
>>  fs/nfs/getroot.c |   81 +++++++++++++++++ 
>> +------------------------------------
>>  1 files changed, 27 insertions(+), 54 deletions(-)
>
> Any reason not to send this to Linus as a bug fix for 2.6.24 (and  
> possibly stable)?

ping.  would love to see this is Linus's tree.

- k
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