From owner-cvs-all  Thu Oct 25 17: 8:10 2001
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From: Matt Dillon <dillon@FreeBSD.org>
Date: Thu, 25 Oct 2001 17:08:05 -0700 (PDT)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/kern vfs_subr.c src/sys/sys vnode.h
         src/sys/ufs/ffs ffs_vfsops.c src/sys/vm vm_fault.c vm_object.c
         vm_object.h vm_page.c
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dillon      2001/10/25 17:08:05 PDT

  Modified files:
    sys/kern             vfs_subr.c 
    sys/sys              vnode.h 
    sys/ufs/ffs          ffs_vfsops.c 
    sys/vm               vm_fault.c vm_object.c vm_object.h 
                         vm_page.c 
  Log:
  Implement kern.maxvnodes.  adjusting kern.maxvnodes now actually has a
  real effect.
  
  Optimize vfs_msync().  Avoid having to continually drop and re-obtain
  mutexes when scanning the vnode list.  Improves looping case by 500%.
  
  Optimize ffs_sync().  Avoid having to continually drop and re-obtain
  mutexes when scanning the vnode list.  This makes a couple of assumptions,
  which I believe are ok, in regards to vnode stability when the mount list
  mutex is held.  Improves looping case by 500%.
  
  (more optimization work is needed on top of these fixes)
  
  MFC after:	1 week
  
  Revision  Changes    Path
  1.326     +76 -36    src/sys/kern/vfs_subr.c
  1.161     +5 -0      src/sys/sys/vnode.h
  1.163     +22 -16    src/sys/ufs/ffs/ffs_vfsops.c
  1.126     +2 -3      src/sys/vm/vm_fault.c
  1.199     +40 -3     src/sys/vm/vm_object.c
  1.75      +2 -1      src/sys/vm/vm_object.h
  1.174     +2 -2      src/sys/vm/vm_page.c

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