linux-kernel - Re: [PATCH 0/2] introduce list_for_each_entry

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Message-ID: <20130708043709.GB3438@dastard>
Date:	Mon, 8 Jul 2013 14:37:09 +1000
From:	Dave Chinner <david@...morbit.com>
To:	Jörn Engel <joern@...fs.org>
Cc:	linux-kernel@...r.kernel.org,
	Chris Mason <chris.mason@...ionio.com>,
	linux-btrfs@...r.kernel.org
Subject: Re: [PATCH 0/2] introduce list_for_each_entry_del

On Fri, Jul 05, 2013 at 04:41:00PM -0400, Jörn Engel wrote:
> On Mon, 3 June 2013 13:28:03 -0400, Joern Engel wrote:
> > 
> > A purely janitorial patchset.  A fairly common pattern is to take a
> > list, remove every object from it and do something with this object -
> > usually kfree() some variant.  A stupid grep identified roughly 300
> > instances, with many more hidden behind more complicated patterns to
> > achieve the same end results.
> 
> Next version of the same patchset.  Object size is shrinking now, at
> least for the one compiler I tested.  And a few kernel hackers met on
> a frozen lake in hell with pigs flying overhead and could actually
> agree on a name.  While I am sure almost every reader will still
> disagree and have one or two better suggestions, I would like to use
> this historical moment.
> 
> list_del_each and list_del_each_entry is shall be!

Can you add _init variants to this? There are many loops that
actually require list_del_init() rather than list_del()...

Cheers,

Dave.
-- 
Dave Chinner
david@...morbit.com
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