linux-kernel - Re: [PATCH] xen/blkback: use rb

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Message-ID: <20161220175113.GB16671@char.us.oracle.com>
Date:   Tue, 20 Dec 2016 12:51:13 -0500
From:   Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:     Roger Pau Monné <roger.pau@...rix.com>
Cc:     Geliang Tang <geliangtang@...il.com>,
        xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] xen/blkback: use rb_entry()

On Tue, Dec 20, 2016 at 05:44:06PM +0000, Roger Pau Monné wrote:
> On Tue, Dec 20, 2016 at 11:47:03AM -0500, Konrad Rzeszutek Wilk wrote:
> > On Tue, Dec 20, 2016 at 10:02:19PM +0800, Geliang Tang wrote:
> > > To make the code clearer, use rb_entry() instead of container_of() to
> > > deal with rbtree.
> > 
> > That is OK but I think 'container_of' is more clear.
> > 
> > Roger, thoughts?
> 
> I think so, container_of is a global macro that's widely used and everyone
> knows, rb_entry OTOH it's not and it's use doesn't really simply the code at
> all. I'm not really opposed, but it seems kind of a pointless change (not that
> it's wrong).

<nods> I concur.

Geliang Tang,

Thank you for the patch but there is no need for it.

Thanks again!
> 
> Roger.