cvs commit: src/sys/fs/fifofs fifo_vnops.c

Robert Watson rwatson at
Tue Sep 27 09:45:23 PDT 2005

rwatson     2005-09-27 16:45:22 UTC

  FreeBSD src repository

  Modified files:
    sys/fs/fifofs        fifo_vnops.c 
  Back out fifo_vnops.c:1.127, which introduced an sx lock around I/O on
  a fifo.  While this did indeed close the race, confirming suspicions
  about the nature of the problem, it causes difficulties with blocking
  I/O on fifos.
  Discussed with:         ups
  Also spotted by:        Peter Holm <peter at holm dot cc>
  Revision  Changes    Path
  1.131     +3 -16     src/sys/fs/fifofs/fifo_vnops.c

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