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    SubjectRe: [PATCH] cgroupfs: create /sys/fs/cgroup to mount cgroupfs on
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    On Thu, Jul 22, 2010 at 8:36 PM, Greg KH <gregkh@suse.de> wrote:
    > On Thu, Jul 22, 2010 at 11:31:07AM -0700, Paul Menage wrote:
    >> On Thu, Jul 22, 2010 at 11:26 AM, Greg KH <gregkh@suse.de> wrote:
    >> > We really shouldn't be asking userspace to create new root filesystems.
    >> > So follow along with all of the other in-kernel filesystems, and provide
    >> > a mount point in sysfs.
    >> >
    >> > For cgroupfs, this should be in /sys/fs/cgroup/  This change provides
    >> > that mount point when the cgroup filesystem is registered in the kernel.
    >>
    >> But cgroups will typically have multiple mounts, with different
    >> resource controllers/options on each mount. That doesn't really fit in
    >> with this scheme.
    >
    > Really?  I see systems mounting it at /cgroups/ in the filesystem today.
    > Where are you expecting it to be mounted at?
    >

    Not really. It is getting mounted at /cgroups/<name of resource
    controller>/ at a number of places. Keeping it in sysfs loses us a lot
    of this flexibility. Unless you are ready to keep adding a new
    mountpoint for each subsystem, it will not really work out in the long
    term.

    Dhaval
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