Re: [take2] Inotify: nested attributes support.

Hi Andrew.

On Tue, Nov 25, 2008 at 04:24:34PM -0800, Andrew Morton (akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org) wrote:

I guess I'm being more than usually thick, but I don't understand what
this is all about, why it was implemented, what value it provides to
users, etc, etc?  Why do I want scalable nested attributes in inotify??

Originally I just wanted to have a PID value in the inotify events, so
reused cookie for that, but people rather vocally rised against this. So
solution is to extend its structure. It would be possible just to add
couple more bytes and store data there, but if we will want to add some
more data into event later, we will have to implement inotify3 and so
on. So I implemented a way to put essentially any number of new and old
events in any order, turn then on and off, and do not care about
possible limitation of the structure. As example I added PID, TID,
write IO start/size and name attributes.

I'm buried in patches which I don't understand lately, and having
hundreds of people send patches at one guy who doesn't understand them
isn't a good system.  Eric Paris is working on inotify-type things as
well.  It would be neat if you guys were to understand and review each
other's work.  Please.

No problem, I will review patches if added to the copy. I'm not
subscsribed to linux-kernel@ so will miss them otherwise.

-- 
	Evgeniy Polyakov
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