linux-kernel - Re: [RFC PATCH 05/17] btrfs: remove bio splitting and merge_bvec

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Message-ID: <1419345853.13012.10@mail.thefacebook.com>
Date:	Tue, 23 Dec 2014 09:44:13 -0500
From:	Chris Mason <clm@...com>
To:	Dongsu Park <dongsu.park@...fitbricks.com>
CC:	<linux-kernel@...r.kernel.org>, Jens Axboe <axboe@...nel.dk>,
	Kent Overstreet <kmo@...erainc.com>,
	Ming Lin <mlin@...ggr.net>,
	Dongsu Park <dongsu.park@...fitbricks.com>,
	Josef Bacik <jbacik@...com>, <linux-btrfs@...r.kernel.org>
Subject: Re: [RFC PATCH 05/17] btrfs: remove bio splitting and
 merge_bvec_fn() calls

On Mon, Dec 22, 2014 at 6:48 AM, Dongsu Park 
<dongsu.park@...fitbricks.com> wrote:
> From: Kent Overstreet <kmo@...erainc.com>
> 
> Btrfs has been doing bio splitting from btrfs_map_bio(), by checking
> device limits as well as calling ->merge_bvec_fn() etc. That is not
> necessary any more, because generic_make_request() is now able to
> handle arbitrarily sized bios. So clean up unnecessary code paths.
> 
> Signed-off-by: Kent Overstreet <kmo@...erainc.com>
> [dpark: add more description in commit message]
> Signed-off-by: Dongsu Park <dongsu.park@...fitbricks.com>
> Cc: Chris Mason <clm@...com>
> Cc: Josef Bacik <jbacik@...com>
> Cc: linux-btrfs@...r.kernel.org
> ---

Looks good, I'll test it here too.  Thanks!

Signed-off-by: Chris Mason <clm@...com>



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