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Date:      Thu, 18 Jan 2001 21:31:07 -0800 (PST)
From:      Matt Dillon <dillon@FreeBSD.org>
To:        cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   cvs commit: src/sys/kern vfs_cluster.c
Message-ID:  <200101190531.f0J5V7c59583@freefall.freebsd.org>

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dillon      2001/01/18 21:31:07 PST

  Modified files:
    sys/kern             vfs_cluster.c 
  Log:
  Do not cluster with B_LOCKED buffers.
  
  This is an odd one.  This patch appears to fix a panic related to background
  bitmap writes (for FFS), though neither Kirk, Ian, or I can figure out how
  B_CLUSTEROK could possibly be set on a bitmap block to cause the clustering
  code to improperly cluster with a buffer undergoing a background write.
  
  In anycase, the clustering code is very fragile and this patch helps with
  that, as well as possibly fixing a bug Andre was having.
  
  Suggested by: Ian Dowse <iedowse@maths.tcd.ie>
  Testing by: Andre Albsmeier <andre.albsmeier@mchp.siemens.de>
  
  Revision  Changes    Path
  1.103     +21 -5     src/sys/kern/vfs_cluster.c



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