linux-kernel - Re: [GIT PULL] ocfs2 changes for 2.6.32

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Date:	Thu, 17 Sep 2009 13:42:29 -0700
From:	Roland Dreier <rdreier@...co.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Joel Becker <Joel.Becker@...cle.com>,
	Mark Fasheh <mfasheh@...e.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	ocfs2-devel@....oracle.com
Subject: Re: [GIT PULL] ocfs2 changes for 2.6.32


 > > I guess one bit of semantics to figure out is what happens if copyfile()
 > > does the async case but then copyfile_ctrl() returns an error halfway
 > > through... is the state of the dest file just undefined?

 > I think that's the one that most filesystems would prefer. Maybe the file 
 > is there, it's just that it's only half copied because the filesystem 
 > filled up. 

Makes sense... and even having the state of having the file half-copied
is not really well-defined since a filesystem may want to optimize
things by copying out of order etc.
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