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Date: Wed, 1 Mar 2017 15:05:26 -0500 From: Theodore Ts'o <tytso@....edu> To: Artem Blagodarenko <artem.blagodarenko@...il.com> Cc: linux-ext4@...r.kernel.org, adilger.kernel@...ger.ca, alexey.lyashkov@...il.com Subject: Re: [PATCH] libext2fs: readahead for meta_bg On Mon, Feb 20, 2017 at 01:03:45PM +0300, Artem Blagodarenko wrote: > From: Alexey Lyashkov <alexey.lyashkov@...gate.com> > > There are ~37k of random IOs with meta_bg option on 300T target. > Debugfs requires 20 minutes to be started. Enabling readahead for > group blocks metadata save time dramatically. Only 12s to start. > > Signed-off-by: Alexey Lyashkov <alexey.lyashkov@...gate.com> Applied, thanks! - Ted
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