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From: Peter Wemm <peter@FreeBSD.ORG>
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Date: Tue, 10 Nov 1998 01:04:10 -0800 (PST)
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To: cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG
Subject: cvs commit: src/sys/kern vfs_default.c vfs_init.c vnode_if.sh
         src/sys/sys mount.h vnode.h
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peter       1998/11/10 01:04:10 PST

  Modified files:
    sys/kern             vfs_default.c vfs_init.c vnode_if.sh 
    sys/sys              mount.h vnode.h 
  Log:
  Make the vnode opv vector construction fully dynamic.  Previously we
  leaked memory on each unload and were limited to items referenced in
  the kernel copy of vnode_if.c.  Now a kernel module is free to create
  it's own VOP_FOO() routines and the rest of the system will happily
  deal with it, including passthrough layers like union/umap/etc.
  
  Have VFS_SET() call a common vfs_modevent() handler rather than
  inline duplicating the common code all over the place.
  
  Have VNODEOP_SET() have the vnodeops removed at unload time (assuming a
  module) so that the vop_t ** vector is reclaimed.
  
  Slightly adjust the vop_t ** vectors so that calling slot 0 is a panic
  rather than a page fault.  This could happen if VOP_something() was called
  without *any* handlers being present anywhere (including in vfs_default.c).
  slot 1 becomes the default vector for the vnodeop table.
  
  TODO: reclaim zones on unload (eg: nfs code)
  
  Revision  Changes    Path
  1.16      +7 -0      src/sys/kern/vfs_default.c
  1.39      +223 -125  src/sys/kern/vfs_init.c
  1.16      +2 -38     src/sys/kern/vnode_if.sh
  1.72      +15 -37    src/sys/sys/mount.h
  1.78      +6 -4      src/sys/sys/vnode.h

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