linux-ext4 - Re: [RFC] Parallelize IO for e2fsck

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Message-ID: <2f11576a0801260432y4405d817p6ef4005d06189654@mail.gmail.com>
Date:	Sat, 26 Jan 2008 21:32:32 +0900
From:	"KOSAKI Motohiro" <m-kosaki@...es.dti.ne.jp>
To:	"Theodore Tso" <tytso@....edu>, "Adrian Bunk" <bunk@...nel.org>,
	"Bodo Eggert" <7eggert@....de>,
	"Alan Cox" <alan@...rguk.ukuu.org.uk>,
	"Andreas Dilger" <adilger@....com>, Valdis.Kletnieks@...edu,
	"David Chinner" <dgc@....com>,
	"Valerie Henson" <val@...consulting.com>,
	linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"Andreas Dilger" <adilger@...sterfs.com>,
	"Ric Wheeler" <ric@....com>
Subject: Re: [RFC] Parallelize IO for e2fsck

> > And from a performance point of view letting applications voluntarily
> > free some memory is better even than starting to swap.
>
> Absolutely.

the mem_notify patch can realize "just before starting swapping" notification :)

to be honest, I don't know fs guys requirement.
if lacking feature of fs guys needed, I implement it with presure if
you tell me it.
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