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From: Ian Dowse <iedowse@FreeBSD.org>
Date: Wed, 28 May 2003 06:22:10 -0700 (PDT)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
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Subject: cvs commit: src/sys/kern vfs_cluster.c
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iedowse     2003/05/28 06:22:10 PDT

  FreeBSD src repository

  Modified files:
    sys/kern             vfs_cluster.c 
  Log:
  In cluster_wbuild(), initialise b_iocmd to BIO_WRITE before calling
  buf_start() to avoid triggering a panic in softdep_disk_io_initiation()
  if b_iocmd happened to be BIO_READ. The later initialisation of
  b_iocmd in cluster_wbuild() could probably be moved to before the
  buf_start() call, but this patch keeps the change as simple as
  possible.
  
  This is reported to fix occasional "softdep_disk_io_initiation: read"
  panics, especially on NFS servers.
  
  Reported by:    Nick Hilliard <nick@netability.ie>
  Tested by:      Nick Hilliard <nick@netability.ie>
  Approved by:    re (rwatson)
  
  Revision  Changes    Path
  1.138     +3 -1      src/sys/kern/vfs_cluster.c