linux-kernel - Re: [RFC PATCH] ext4: convert swap_inode_data() over to use swap() on most of the fields

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Date:   Thu, 5 Jan 2017 08:24:43 +0100
From:   Jan Kara <jack@...e.cz>
To:     Jeff Layton <jlayton@...hat.com>
Cc:     Jan Kara <jack@...e.cz>, tytso@....edu, adilger.kernel@...ger.ca,
        linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH] ext4: convert swap_inode_data() over to use swap()
 on most of the fields

On Wed 04-01-17 15:21:28, Jeff Layton wrote:
> On Wed, 2017-01-04 at 16:43 +0100, Jan Kara wrote:
> > On Tue 20-12-16 10:55:41, Jeff Layton wrote:
> > > 
> > > For some odd reason, it forces a byte-by-byte copy of each field. A
> > > plain old swap() on most of these fields would be more efficient. We
> > > do need to retain one memswap however as that field is an array.
> > > 
> > > Signed-off-by: Jeff Layton <jlayton@...hat.com>
> > 
> > Looks good to me. You can add:
> > 
> > Reviewed-by: Jan Kara <jack@...e.cz>
> > 
> > 								Honza
> > 
> 
> Thanks. Yeah, it's certainly nothing critical -- just something I
> noticed while looking at the i_version rework. Seems like it might be
> good to let soak in next for v4.11?

Yeah, it is definitely 4.11 material. I believe he'll pick up the patch to
his tree once he starts accumulating patches for the next merge window.

								Honza
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR