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Date:	Tue, 31 Mar 2009 20:06:57 -0400
From:	Theodore Tso <tytso@....edu>
To:	Bodo Eggert <7eggert@....de>
Cc:	Pavel Machek <pavel@....cz>, Artem Bityutskiy <dedekind@...dex.ru>,
	Artem Bityutskiy <Artem.Bityutskiy@...ia.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: replace() system call needed (was Re: EXT4-ish "fixes" in
	UBIFS)

On Tue, Mar 31, 2009 at 11:27:33PM +0200, Bodo Eggert wrote:
> This can be done using implicit logic:
> 
> ->E.g. on close(), mark inodes without being sync()ed as poisoned.
> (I can think of more sophisticated logic, but ...)
> ->On completing the inode with the delayed allocations, unpoison it.
> ->Don't commit rename()s if the corresponding inode is poisoned.

Send us patches if you think it's that easy to do what you are
proposing.   I assure it's not easy.

				- Ted
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