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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: David Holland <>
Subject: Re: kern/42210: rename EXDEV & abortop fail
Date: Thu, 22 Oct 2009 00:28:51 +0000

 On Wed, Oct 21, 2009 at 07:30:00PM +0000, wrote:
  > In a new and exciting episode of "I thought we fixed the last bug
  > from rename last week", plenty of drivers will happily fail VOP_RENAME
  > with EXDEV but neglect to call VOP_ABORTOP.  Notably, since one of the
  > vnodes might be of completely different type, a given driver
  > cannot decide to just not call abortop because it "knows" it's
  > not required.
 Maybe we can abolish ABORTOP? Only onionfs uses it, but the purpose of
 the onionfs code in question is clear as mud...
  > 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.
 David A. Holland

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