linux-kernel - Re: [PATCH 1/1] fat: improve sync performance by grouping writes in fat_mirror

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Message-ID: <4540AA20.1090005@yahoo.com.au>
Date:	Thu, 26 Oct 2006 22:29:20 +1000
From:	Nick Piggin <nickpiggin@...oo.com.au>
To:	Holden Karau <holden@...scanfly.ca>
CC:	Josef Sipek <jsipek@....cs.sunysb.edu>,
	hirofumi@...l.parknet.co.jp, linux-kernel@...r.kernel.org,
	holdenk@...dros.com, "akpm@...l.org" <akpm@...l.org>,
	linux-fsdevel@...r.kernel.org, holden.karau@...il.com
Subject: Re: [PATCH 1/1] fat: improve sync performance by grouping writes
 in fat_mirror_bhs [really unmangled]

Holden Karau wrote:
> From: Holden Karau <holden@...scanfly.ca> http://www.holdenkarau.com
> 
> This is an attempt at improving fat_mirror_bhs in sync mode [namely it
> writes all of the data for a backup block, and then blocks untill
> finished]. The old behaviour would write & block in smaller chunks, so
> this should be slightly faster. It also removes the fixme requesting
> that it be fixed to behave this way :-)
> Signed-off-by: Holden Karau <holden@...scanfly.ca> http://www.holdenkarau.com

So how much is performance improved?

-- 
SUSE Labs, Novell Inc.
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