cvs commit: src/sys/ufs/ufs ufs_lookup.c

[Daichi GOTO]

daichi      2006-07-11 17:27:04 UTC

  FreeBSD src repository

  Modified files:
    sys/ufs/ufs          ufs_lookup.c 
  Log:
  The ufs_lookup.c has a critical bug around the whiteout
  process. UFS must check a whiteout name when it uses the
  whiteout, but the current implementation does not check
  the whileout name, so sometimes UFS writes over a wrong
  whtieout. UFS *MUST* check the whiteout name to use a
  corrent whiteout. This bug leads unionfs. panic.
  This commit fixes this trouble.
  
  Submitted by:   Masanori Ozawa <ozawa at ongs.co.jp> (unionfs developer)
  Reviewed by:    tegge & rodrigc (mentor)
  Approved by:    rodrigc (mentor)
  MFC after:      2 weeks
  
  Revision  Changes    Path
  1.81      +10 -2     src/sys/ufs/ufs/ufs_lookup.c