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Re: kern/42210: rename EXDEV & abortop fail

The following reply was made to PR kern/42210; it has been noted by GNATS.

From: Antti Kantee <>
Subject: Re: kern/42210: rename EXDEV & abortop fail
Date: Thu, 22 Oct 2009 14:39:13 +0300

 On Thu Oct 22 2009 at 00:30:04 +0000, David Holland wrote:
 > Maybe we can abolish ABORTOP? Only onionfs uses it, but the purpose of
 > the onionfs code in question is clear as mud...
 libp2k uses it.  Admittedly, it could do without it with more implicit
 magic, but I think there's enough implicit magic going on as-is.
 Feel free to look at p2k_node_lookup().
 No, I don't mind if you fix the componentname handling ;)
 >  > Is there some layering marvel preventing us from checking for
 >  > EXDEV before calling rename?  otherwise, have fun
 > I have been attempting to figure that one myself, and I don't know of
 > any valid reason.
 We really really need to come up with a set of tests which define the
 requirements for vfs & file systems.  Currently there are just too many
 butterfly effects ...

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