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Version: 365512 (ubuntu - 25/10/10)

Section: 9 (Appels noyau Linux)

BSD mandoc


vref - increment the use count for a vnode


In sys/param.h In sys/vnode.h Ft void Fn vref struct vnode *vp


Increment the v_usecount field of a vnode.
Fa 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 Fn vref .


vget(9), vnode(9), vput(9), vrefcnt(9), vrele(9)


This manual page was written by An Doug Rabson .
Pour être le meilleur, il suffit parfois que les autres soient moins
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