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SubjectRe: [PATCH] cgroup: deprecate remount option changes mount option
On Thu, 15.03.12 09:56, Tejun Heo (tj@kernel.org) wrote:

> This patch marks the following features for deprecation.
>
> * Rebinding subsys by remount: Never reached useful state - only works
> on empty hierarchies.
>
> * release_agent update by remount: release_agent itself will be
> replaced with conventional fsnotify notification.

Just wondering, what kind of event do you plan to emit if a cgroup runs
empty? To userspace, with fanotify, will this be FAN_MODIFY? I'd very
much prefer if we only get events really when a group runs empty, and
not each time a PID is added/removed from a cgroup, which FAN_NOTIFY
might suggest?

Lennart

--
Lennart Poettering - Red Hat, Inc.


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