vrele(9) 맨 페이지 - 윈디하나의 솔라나라

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vrele(9)

Decrement the field of a vnode.  the vnode to decrement The func‐
tion takes an unlocked vnode and returns with the vnode unlocked.
The  function should be given a locked vnode as argument, the vn‐
ode is unlocked after  the  function  returned.   The  is  opera‐
tionally  equivalent  to  calling followed by with less overhead.
The function takes a locked vnode as argument, and  returns  with
the vnode locked.  Any code in the system which signified its use
of  a vnode by usecount should call one of the listed function to
decrement use counter.  If the  field  of  the  non-doomed  vnode
reaches  zero, then it will be inactivated and placed on the free
list.  The function may lock the vnode.  All three functions  may
sleep.   The  hold count for the vnode is always greater or equal
to the usecount.  Non-forced unmount fails when mount point  owns
a  vnode  that  has  non-zero  usecount, see This manual page was
written by and



















































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