linux-kernel - Re: [PATCH 2/3] fs: befs: check flags field to validate the superblock state

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Date:	Tue, 9 Aug 2016 14:50:06 +0100
From:	Luis de Bethencourt <luisbg@....samsung.com>
To:	Salah Triki <salah.triki@...il.com>
Cc:	akpm@...ux-foundation.org, viro@...iv.linux.org.uk,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] fs: befs: check flags field to validate the
 superblock state

On 09/08/16 13:59, Salah Triki wrote:
> On Tue, Aug 09, 2016 at 01:40:25PM +0100, Luis de Bethencourt wrote:
>> On 09/08/16 13:32, Salah Triki wrote:
>>> flags field records the superblock state, so check if it is equal to
>>> BEFS_DIRTY.
>>>
>>> Signed-off-by: Salah Triki <salah.triki@...il.com>
>>> ---
>>>  fs/befs/super.c | 2 +-
>>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/fs/befs/super.c b/fs/befs/super.c
>>> index 5ab75e8..79be409 100644
>>> --- a/fs/befs/super.c
>>> +++ b/fs/befs/super.c
>>> @@ -103,7 +103,7 @@ befs_check_sb(struct super_block *sb)
>>>  		return BEFS_ERR;
>>>  	}
>>>  
>>> -	if (befs_sb->log_start != befs_sb->log_end) {
>>> +	if (befs_sb->log_start != befs_sb->log_end || befs_sb->flags == BEFS_DIRTY) {
>>>  		befs_error(sb, "Filesystem not clean! There are blocks in the "
>>>  			   "journal. You must boot into BeOS and mount this volume "
>>>  			   "to make it clean.");
>>>
>>
>> Hi Salah,
>>
>> Looks like a good idea. Any reason why commit 1/2, where you add the flag, and commit
>> 2/2, where you read it, are split and not in the same commit? Curious.
>>
>> Will test it soon.
>>
>> Thanks :)
>> Luis 
> 
> Hi Luis,
> 
> I split the two commits for sake of clarity. But now I realize that it
> is not usefull at all. 
> 
> Will send a corrected patch soon.
> 
> Thanx
> Salah
> 

Thanks :)

Once you resubmit squashing 1 and 2, I will push this series to:
https://github.com/luisbg/linux-befs/tree/for-next

Stephen Rothwell pulls this into linux-next, and once I get my GPG key signed into the
Kernel web of trust in October, it will be pulled by Linus.

Luis