linux-kernel - Re: BUG in ofcs2_change_file

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Date:	Wed, 20 Jun 2012 23:29:10 +0100
From:	Luis Henriques <luis.henriques@...onical.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Bret Towe <magnade@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	ocfs2-devel@....oracle.com, mfasheh@...e.com, jlbec@...lplan.org,
	Sunil Mushran <sunil.mushran@...cle.com>
Subject: Re: BUG in ofcs2_change_file_space

Andrew Morton <akpm@...ux-foundation.org> writes:

> On Wed, 20 Jun 2012 19:01:30 +0100
> Luis Henriques <luis.henriques@...onical.com> wrote:
>
>> >> a patch has been available for this for a while now
>> >> found here: http://oss.oracle.com/pipermail/ocfs2-devel/2012-January/008464.html
>> >> but it still has not hit mainline
>> >> is there any way we can get this included?
>> 
>> I believe something like this would be more appropriated, as a NULL as the
>> 'file' parameter seems to be valid in that context:
>> 
>> ---
>>  fs/ocfs2/file.c |    2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>> 
>> diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
>> index 6e39668..84822a4 100644
>> --- a/fs/ocfs2/file.c
>> +++ b/fs/ocfs2/file.c
>> @@ -1950,7 +1950,7 @@ static int __ocfs2_change_file_space(struct file *file, struct inode *inode,
>>  	if (ret < 0)
>>  		mlog_errno(ret);
>>  
>> -	if (file->f_flags & O_SYNC)
>> +	if (file && (file->f_flags & O_SYNC))
>>  		handle->h_sync = 1;
>>  
>>  	ocfs2_commit_trans(osb, handle);
>
> Sunil, does this look OK to you?  And Bret, can you please test it?
>
> Luis, can you please prepare a proper, signed-off, changelogged version
> of this and I'll grab it, thanks.
>

Sure, I'll send it in a minute.

Cheers,
--
Luis

>
>
> I'm not seeing any OCFS2 activity in mainline from Joel and Mark in six
> months, so I'm getting those i-have-a-new-subsystem-to-maintain
> feelings.
>
> If anyone else has any urgent OCFS2 patches then please resend them, cc
> myself and cc linux-kernel.
--
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