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DateFri, 2 Jan 2004 17:09:09 -0800
FromMike Fedyk <>
SubjectRe: [RFC,PATCH] use rcu for fasync_lock
On Fri, Jan 02, 2004 at 10:41:50PM +0000, Jamie Lokier wrote:
> The best way is to maintain poll state in each "struct file". The
> order of complexity for the bitmap scan is still significant, but
> ->poll calls are limited to the number of transitions which actually
> happen.
What's the drawback to this approach?

Where is the poll state kept now?

> I think somebody, maybe Richard Gooch, has a patch to do this that's
> several years old by now.

Why wasn't it merged?

Implementation issues?
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