linux-kernel - Re: [PATCH v3 01/16] block: Generalized bio pool freeing

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Message-ID: <20120528011522.GA9891@dhcp-172-17-108-109.mtv.corp.google.com>
Date:	Mon, 28 May 2012 10:15:22 +0900
From:	Tejun Heo <tj@...nel.org>
To:	Kent Overstreet <koverstreet@...gle.com>
Cc:	linux-kernel@...r.kernel.org, linux-bcache@...r.kernel.org,
	dm-devel@...hat.com, linux-fsdevel@...r.kernel.org,
	axboe@...nel.dk, agk@...hat.com, neilb@...e.de,
	drbd-dev@...ts.linbit.com, bharrosh@...asas.com, vgoyal@...hat.com,
	mpatocka@...hat.com, sage@...dream.net, yehuda@...newdream.net
Subject: Re: [PATCH v3 01/16] block: Generalized bio pool freeing

Hello, Kent.

On Fri, May 25, 2012 at 01:25:24PM -0700, Kent Overstreet wrote:
> With the old code, when you allocate a bio from a bio pool you have to
> implement your own destructor that knows how to find the bio pool the
> bio was originally allocated from.
> 
> This adds a new field to struct bio (bi_pool) and changes
> bio_alloc_bioset() to use it. This makes various bio destructors
> unnecessary, so they're then deleted.
> 
> Signed-off-by: Kent Overstreet <koverstreet@...gle.com>
> Change-Id: I5eb66c1d6910757f4af8755b8857dcbe4619cf8d

In the previous review, I made two requests about this patch.

* Please improve description.

* Please lose Change-Id.

None of which seems to have happened and my Acked-by isn't added
either.  Come on.  Give me some reason to keep reviewing this stuff.
A couple more suggestions.

* If this goes in, it will go through Jens' block tree.  Better keep
  him cc'd.

* It's generally a good idea to have Cc: tags in the description
  footer for the maintainers of the affected subsystems.

Thanks.

-- 
tejun
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