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 13:59:52 +0100
From:	Salah Triki <salah.triki@...il.com>
To:	Luis de Bethencourt <luisbg@....samsung.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 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