Messages in this thread | | | Date | Mon, 6 Oct 2008 17:09:50 +0200 | From | Pavel Machek <> | Subject | Re: [RFC] 0/11 fanotify: fscking all notifiction and file access system (intended for antivirus scanning and file indexers) |
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Hi!
> > sending a message out for every READ/WRITE seems like it will generate a > > LOT of messages, and very few will be ones that anyone cares about. > > On read there isn't much point anyway, on write if you simply send one, > save an event counter number and don't send another until the last one is > cleared it all works well. When the last event is cleared if another > event has occurred then the event counter will have changed so you know > to send one immediately, if the app doesn't want to receive them for a > while it can just hang onto the event for a minute or two before clearing > it.
Actually both read and write seems useless, as both can be bypassed by mmap...?
Pavel
-- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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