linux-kernel - Re: [RFC PATCH] tmpfs: support user quotas

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Message-ID: <CAPXgP118CzaTuV-kABfEC-D-+K75zdKVwbaYba+FuN7umJO4kA@mail.gmail.com>
Date:	Mon, 7 Nov 2011 23:37:56 +0100
From:	Kay Sievers <kay.sievers@...y.org>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	mzxreary@...inter.de, alan@...rguk.ukuu.org.uk, dave@....org,
	hch@...radead.org, hughd@...gle.com, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [RFC PATCH] tmpfs: support user quotas

On Mon, Nov 7, 2011 at 23:15, KOSAKI Motohiro
<kosaki.motohiro@...fujitsu.com> wrote:
> (11/7/2011 6:30 AM), Lennart Poettering wrote:

> If you want per-user limitation, RLIMIT is bad idea. RLIMIT is only inherited
> by fork. So, The api semantics clearly mismatch your usecase.

Like RLIMIT_NPROC?

> Instead, I suggest to implement new sysfs knob.

Where would users show up in sysfs?

Kay
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