linux-kernel - Re: Attempt at "stat light" implementation

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Message-ID: <20090407175617.GF31824@shareable.org>
Date:	Tue, 7 Apr 2009 18:56:17 +0100
From:	Jamie Lokier <jamie@...reable.org>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	Oleg Drokin <green@...uxhacker.ru>, linux-fsdevel@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Attempt at "stat light" implementation

Jeff Garzik wrote:
> Jamie Lokier wrote:
> >Once you have fine-grained selection of stat fields - it's natural to
> >ask why not allow _additional_ stat fields in an future-extensible
> >fashion?  A few things would be handy sometimes, such as inode
> >generation number, modification generation number (to detect changes
> >across reboots), and extra flags indicating COW or other properties.
> 
> That's quite an interesting thought...  until you run out of flags, the 
> stat structure becomes a bit more flexible.

I suspect at least one other unix or unix-like OS has done this
already, and it might be worth copying the interface.  But none come to
mind.

(I'm not counting DJGPP on MS-DOS ;-)

-- Jamie
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