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Date: Fri, 14 Sep 2012 19:36:10 +0100
From: Alasdair G Kergon <agk@redhat.com>
To: Kent Overstreet <koverstreet@google.com>
Cc: linux-bcache@vger.kernel.org, linux-kernel@vger.kernel.org,
        dm-devel@redhat.com, Jens Axboe <axboe@kernel.dk>,
        Lars Ellenberg <lars.ellenberg@linbit.com>,
        Alasdair Kergon <agk@redhat.com>, Hannes Reinecke <hare@suse.de>
Subject: Re: [dm-devel] [PATCH v10 1/8] block: Generalized bio pool freeing
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	Alasdair Kergon <agk@redhat.com>, Hannes Reinecke <hare@suse.de>
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On Thu, Sep 06, 2012 at 03:34:55PM -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.
 
If you reinstate commit 4d7b38b7d944a79da3793b6c92d38682f3905ac9
"dm: clear bi_end_io on remapping failure",

Acked-by: Alasdair Kergon <agk@redhat.com>

for the device-mapper parts.

Alasdair