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Message-ID: <20111228163631.GN17712@google.com> Date: Wed, 28 Dec 2011 08:36:31 -0800 From: Tejun Heo <tj@...nel.org> To: Li Zefan <lizf@...fujitsu.com> Cc: LKML <linux-kernel@...r.kernel.org>, Cgroups <cgroups@...r.kernel.org> Subject: Re: [PATCH] cgroup: fix to allow mounting a hierarchy by name Hello, Li. On Wed, Dec 28, 2011 at 02:10:42PM +0800, Li Zefan wrote: > The "name" option was introduced along with the "none" option, so we > can distinguish between different cgroup hierarchies which have no > bound subsystems, like this: > > # mount -t cgroup -o none,name=hier1 xxx /cgroup1 > # mount -t cgroup -o none,name=hier2 xxx /cgroup2 > > As the name is unique, we have this "mount by hierarchy name" feature. I could be missing something but does that add anything other than naming convenience? > It looks reasonable, but I guess few people know this feature. We can > live with it, as it only saves us some typing when mounting an existing > hierarchy. On the other hand, removing this small feature can hardly > result in code reduction. If it's a redundant feature which has been broken over a year without anyone complaining, it really doesn't need to exist. It might not save a lot of code but would save some WTH moments. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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