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From: John Baldwin <jhb@FreeBSD.org>
Date: Fri, 22 Aug 2008 01:17:56 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_6
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Subject: cvs commit: src/sys/kern kern_lockf.c
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jhb         2008-08-22 01:17:56 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_6)
    sys/kern             kern_lockf.c 
  Log:
  SVN rev 181978 on 2008-08-22 01:17:56Z by jhb
  
  Use sx_sleep() when waiting for a file lock instead of explicitly dropping
  the sx lock and then doing a tsleep() without a timeout.  The tsleep()
  method leads to lost wakeups that can cause processes to hang waiting for
  a lock on an unlocked file.  The lockf code already uses sx_sleep() in
  7.x+.
  
  Revision  Changes    Path
  1.54.2.3  +1 -3      src/sys/kern/kern_lockf.c