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Date: Thu, 20 Jul 1995 21:55:47 -0700
From: David Greenman <davidg>
Message-Id: <199507210455.VAA07108@freefall.cdrom.com>
To: CVS-commiters, cvs-sys
Subject: cvs commit: src/sys/kern vfs_bio.c
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davidg      95/07/20 21:55:47

  Modified:    sys/kern  vfs_bio.c
  Log:
  Re-lookup the buffer if the vnode isn't locked. The previous check for
  VBLK vnodes isn't adequate since all NFS nodes aren't locked, either. The
  result is a race condition that would lead to duplicate buffers at the
  same block offset.
  
  Submitted by:	John Dyson