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From: Alexander Motin <mav@FreeBSD.org>
Date: Tue, 17 Nov 2009 20:49:26 +0000 (UTC)
To: cvs-src-old@freebsd.org
X-FreeBSD-CVS-Branch: RELENG_8
Subject: cvs commit: src/sys/cam cam_xpt.c cam_xpt_internal.h
 src/sys/cam/ata ata_xpt.c src/sys/cam/scsi scsi_xpt.c
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mav         2009-11-17 20:49:26 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_8)
    sys/cam              cam_xpt.c cam_xpt_internal.h 
    sys/cam/ata          ata_xpt.c 
    sys/cam/scsi         scsi_xpt.c 
  Log:
  SVN rev 199435 on 2009-11-17 20:49:26Z by mav
  
  MFC r198748, r198782:
  Fix reference counting bug, when device unreferenced before
  invalidated. To do it, do not handle validity flag as another
  reference, but explicitly modify reference count each time flag is
  modified.
  The async callback could free the device. If it is a broadcast async,
  it doesn't hold device reference, so take our own reference.
  
  Revision    Changes    Path
  1.3.2.9     +6 -1      src/sys/cam/ata/ata_xpt.c
  1.217.2.13  +31 -22    src/sys/cam/cam_xpt.c
  1.1.2.4     +3 -3      src/sys/cam/cam_xpt_internal.h
  1.3.2.4     +17 -5     src/sys/cam/scsi/scsi_xpt.c