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SubjectRe: [RFC][PATCH 01/16] writeback: do not self-wakeup
On Fri, Jul 16, 2010 at 03:44:57PM +0300, Artem Bityutskiy wrote:
> From: Artem Bityutskiy <>
> The bdi forker thread wakes up itself via 'bdi_add_to_pending()'.
> And the thread is the only user of 'bdi_add_to_pending()'. Thus,
> we can safely zap the unneeded 'wake_up_process()' call.

At least right now it's called using call_rcu, which offloads the function
to a RCU thread of some sorts.

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