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Date: Fri, 2 Jun 1995 03:57:52 -0700
From: David Greenman <davidg>
Message-Id: <199506021057.DAA21097@freefall.cdrom.com>
To: CVS-commiters, cvs-sys
Subject: cvs commit: src/sys/msdosfs msdosfs_vnops.c
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davidg      95/06/02 03:57:52

  Modified:    sys/msdosfs  msdosfs_vnops.c
  Log:
  Don't "remember" where the target directory slot is.  The target
  slot doesn't move.  "Remembering" the target slot was a no-op for
  files, but for directories it changed the target slot to slot of
  the "." entry in the source directory.  Thus rename("a", "b/c")
  (where "a" is any directory and "b/c" is an empty directory) was
  essentially
  
  	unlink("b/c"); rename("a/.", "a"); unlink("a");
  
  where the middle rename corrupts "a/." and the final unlink detaches
  "a" and everything underneath it from the directory tree although
  not from the file system.
  
  Submitted by:	Bruce Evans