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From: Attilio Rao <attilio@FreeBSD.org>
Date: Sun, 4 May 2008 13:54:56 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc: 
Subject: cvs commit: src/sys/kern vfs_subr.c
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attilio     2008-05-04 13:54:55 UTC

  FreeBSD src repository

  Modified files:
    sys/kern             vfs_subr.c 
  Log:
  sync_vnode() has some messy code about locking in order to deal with
  mount fs needing Giant to be held when processing bufobjs.
  Use a different subqueue for pending workitems on filesystems requiring
  Giant. This simplifies the code notably and also reduces the number of
  Giant acquisitions (and the whole processing cost).
  
  Suggested by:   jeff
  Reviewed by:    kib
  Tested by:      pho
  
  Revision  Changes    Path
  1.731     +37 -39    src/sys/kern/vfs_subr.c