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Re: [dm-devel] [PATCH v3 02/16] dm: Use bioset's front_pad for dm_rq_clone_bio_info

From: Tejun Heo <tj kernel org>
To: Kent Overstreet <koverstreet google com>
Cc: axboe kernel dk, yehuda hq newdream net, dm-devel redhat com, linux-kernel vger kernel org, linux-bcache vger kernel org, mpatocka redhat com, vgoyal redhat com, bharrosh panasas com, linux-fsdevel vger kernel org, sage newdream net, agk redhat com, drbd-dev lists linbit com
Subject: Re: [dm-devel] [PATCH v3 02/16] dm: Use bioset's front_pad for dm_rq_clone_bio_info
Date: Mon, 28 May 2012 10:21:07 +0900

On Fri, May 25, 2012 at 01:25:25PM -0700, Kent Overstreet wrote:
> Previously, dm_rq_clone_bio_info needed to be freed by the bio's
> destructor to avoid a memory leak in the blk_rq_prep_clone() error path.
> This gets rid of a memory allocation and means we can kill
> dm_rq_bio_destructor.

To what goal are we doing this?  How is it tested?

-- 
tejun

References:
- [dm-devel] [PATCH v3 00/16] Block cleanups
  - From: Kent Overstreet
- [dm-devel] [PATCH v3 02/16] dm: Use bioset's front_pad for dm_rq_clone_bio_info
  - From: Kent Overstreet

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