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From: Mingming Cao <cmm@us.ibm.com>
To: Jan Kara <jack@suse.cz>
Cc: Eric Sandeen <sandeen@redhat.com>,
	"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
	tytso@mit.edu, linux-ext4@vger.kernel.org
Subject: Re: [PATCH] jbd2: We shouldnot cap writeback when we are doing a journal commit
Date: Fri, 27 Jun 2008 16:52:28 -0700	[thread overview]
Message-ID: <1214610748.6837.20.camel@mingming-laptop> (raw)
In-Reply-To: <20080627210439.GA15342@duck.suse.cz>

I fold this change to the parent patch: delalloc-new-ordered-mode.patch
in patch queue

Mingming
On Fri, 2008-06-27 at 23:04 +0200, Jan Kara wrote:
> On Fri 27-06-08 13:11:25, Eric Sandeen wrote:
> > Aneesh Kumar K.V wrote:
> > > A journal commit need to make sure we submit data buffers before
> > > we submit the meta-data buffers in ordered mode. We should
> > > not be looking at BDI_CAP_NO_WRITEBACK when doing a journal commit.
> > > 
> > > Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
> > 
> > and I don't think we'll ever even see that flag set...
> > 
> > Acked-by: Eric Sandeen <sandeen@redhat.com>
>   Yes, I also don't think it really matters :). So feel free to remove that
> check.
> 
> 								Honza
> > 
> > > ---
> > >  fs/jbd2/commit.c |    3 ---
> > >  1 files changed, 0 insertions(+), 3 deletions(-)
> > > 
> > > diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
> > > index 32ca3c3..f8b3be8 100644
> > > --- a/fs/jbd2/commit.c
> > > +++ b/fs/jbd2/commit.c
> > > @@ -203,9 +203,6 @@ static int journal_submit_inode_data_buffers(struct address_space *mapping)
> > >  		.for_writepages = 1,
> > >  	};
> > >  
> > > -	if (!mapping_cap_writeback_dirty(mapping))
> > > -		return 0;
> > > -
> > >  	ret = generic_writepages(mapping, &wbc);
> > >  	return ret;
> > >  }
> > 


      reply	other threads:[~2008-06-27 23:52 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-27 18:07 [PATCH] jbd2: We shouldnot cap writeback when we are doing a journal commit Aneesh Kumar K.V
2008-06-27 18:11 ` Eric Sandeen
2008-06-27 21:04   ` Jan Kara
2008-06-27 23:52     ` Mingming Cao [this message]

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