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Message-ID: <20120119022005.GG21533@google.com>
Date: Wed, 18 Jan 2012 18:20:05 -0800
From: Tejun Heo <tj@...nel.org>
To: Lennart Poettering <mzxreary@...inter.de>
Cc: Kay Sievers <kay.sievers@...y.org>, Li Zefan <lizf@...fujitsu.com>,
LKML <linux-kernel@...r.kernel.org>,
Cgroups <cgroups@...r.kernel.org>
Subject: Re: [PATCH 2/2] cgroup: add xattr support
Hello, Lennart, Li.
Two things.
* Probably I'm missing something but isn't the systemd cgroup
hierarchy already managed by systemd? If so, I don't see how
managing tmpfs on the side would noticeably make things more
fragile. It would take a bit more care after, for example, restart
but it shouldn't be too complex, no?
* FS attributes already being used for userland information seems like
a good argument, but we shouldn't add separate specialized xattr
implementation to different pseudo filesystems. For it to be
acceptable, it should be a libfs thing easily applicable to any
pseudo FS and definitely shouldn't be using kmem for storage.
Thanks.
--
tejun
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