|VREF(9)||Kernel Developer's Manual||VREF(9)|
Each vnode maintains a reference count of how many parts of the system are using the vnode. This allows the system to detect when a vnode is no longer being used and can be safely recycled for a different file.
Any code in the system which uses a vnode (e.g. during the
operation of some algorithm or to store in a data structure) should call
|June 4, 2013||OpenBSD-current|