hannken b89d0815aa Add layer_revoke() that adjusts the lower vnode use count to be at least as ... high as the upper vnode count before passing down the VOP_REVOKE(). This way vclean() check for active (vp->v_usecount > 1) vnodes gets it right. Should fix PR kern/43456.		2011-01-10 11:11:03 +00:00
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files.nullfs
Makefile
null_vfsops.c
null_vnops.c
null.h