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vref — increment the use count for a vnode
vref(struct vnode *vp);
Increment the v_usecount field of a vnode.
vp the vnode to increment
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 is using a vnode (e.g. during the operation
of some algorithm or to store in a data structure) should call vref().
vget(9), vnode(9), vput(9), vrefcnt(9), vrele(9)
This manual page was written by Doug Rabson.
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