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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Sat, 14 Feb 2009 20:42:54 +0000 (UTC)
To: cvs-src-old@freebsd.org
X-FreeBSD-CVS-Branch: RELENG_7
Subject: cvs commit: src/sys/kern vfs_subr.c src/sys/sys vnode.h
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kib         2009-02-14 20:42:54 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_7)
    sys/kern             vfs_subr.c 
    sys/sys              vnode.h 
  Log:
  SVN rev 188610 on 2009-02-14 20:42:54Z by kib
  
  MFC r182364:
  Introduce the VV_FORCEINSMQ vnode flag. It instructs the insmnque() function
  to ignore the unmounting and forces insertion of the vnode into the mount
  vnode list.
  
  Change insmntque() to fail when forced unmount is in progress and
  VV_FORCEINSMQ is not specified.
  
  Add an assertion to the insmntque(), requiring the vnode to be
  exclusively locked for mp-safe filesystems.
  MFC note: because zfs in stable/7 does not follow the insmntque() protocol,
  the assertion is commented out.
  
  Use the VV_FORCEINSMQ for the creation of the syncvnode.
  
  Revision    Changes    Path
  1.707.2.12  +22 -5     src/sys/kern/vfs_subr.c
  1.326.2.5   +1 -0      src/sys/sys/vnode.h