linux-kernel - Re: [PATCH 4.4 49/91] ext4: preserve the needs_recovery flag when the journal is aborted

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Message-ID: <1489210023.2838.0.camel@decadent.org.uk>
Date:   Sat, 11 Mar 2017 05:27:03 +0000
From:   Ben Hutchings <ben@...adent.org.uk>
To:     Theodore Ts'o <tytso@....edu>
Cc:     stable@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4.4 49/91] ext4: preserve the needs_recovery flag when
 the journal is aborted

On Fri, 2017-03-10 at 15:14 -0500, Theodore Ts'o wrote:
> On Fri, Mar 10, 2017 at 04:58:02PM +0000, Ben Hutchings wrote:
> > > ---
> > >  fs/ext4/super.c |    6 ++++--
> > >  1 file changed, 4 insertions(+), 2 deletions(-)
> > > 
> > > --- a/fs/ext4/super.c
> > > +++ b/fs/ext4/super.c
> > 
> > [...]
> > > @@ -802,9 +803,10 @@ static void ext4_put_super(struct super_
> > >  	destroy_workqueue(sbi->rsv_conversion_wq);
> > >  
> > >  	if (sbi->s_journal) {
> > > +		aborted = is_journal_aborted(sbi->s_journal);
> > >  		err = jbd2_journal_destroy(sbi->s_journal);
> > >  		sbi->s_journal = NULL;
> > > -		if (err < 0)
> > > +		if ((err < 0) && !aborted)
> > >  			ext4_abort(sb, "Couldn't clean up the journal");
> > 
> > [...]
> > 
> > Shouldn't the aborted flag also be set here when err < 0?
> 
> Nice catch.  That's a separate issue (the bug was there before this
> commit), though I'll send a separate patch to fix this in mainline and
> then cc stable, OK?

Sure, that's not an objection to including this patch in stable now.

Ben.

-- 
Ben Hutchings
If you seem to know what you are doing, you'll be given more to do.


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