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Message-ID: <20141210220044.GE3370@thunk.org>
Date:	Wed, 10 Dec 2014 17:00:44 -0500
From:	Theodore Ts'o <tytso@....edu>
To:	"Darrick J. Wong" <darrick.wong@...cle.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 32/47] e2fsck: read-ahead metadata during passes 1, 2,
 and 4

On Wed, Dec 10, 2014 at 12:27:56PM -0800, Darrick J. Wong wrote:
> FWIW I finally got UAS working in Linux; with that hardware and the default
> readahead size, I see about a 5% reduction in fsck runtime.  The same dock
> plugged into a USB2 port (i.e. BOT) shows about a 2% increase in runtime.

Interesting; what UAS drive were you using?  I've been thinking about
trying to get one to play with.

						- Ted
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