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From: Matthew D Fleming <mdf@FreeBSD.org>
Date: Mon, 13 Sep 2010 17:18:49 +0000 (UTC)
To: cvs-src-old@freebsd.org
X-FreeBSD-CVS-Branch: RELENG_8
Subject: cvs commit: src/sys/kern vfs_bio.c src/sys/sys buf.h
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mdf         2010-09-13 17:18:49 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_8)
    sys/kern             vfs_bio.c 
    sys/sys              buf.h 
  Log:
  SVN rev 212562 on 2010-09-13 17:18:49Z by mdf
  
  MFC r209053:
  
  Add INVARIANTS checking that numfreebufs values are sane.  Also add a
  per-buf flag to catch if a buf is double-counted in the free count.
  This code was useful to debug an instance where a local patch at Isilon
  was incorrectly managing numfreebufs for a new buf state.
  
  Requested by:   Kostic Belousov
  
  Revision   Changes    Path
  1.568.2.5  +53 -9     src/sys/kern/vfs_bio.c
  1.211.2.2  +1 -0      src/sys/sys/buf.h