vrele man page on OpenBSD

vrele man page on OpenBSD

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VRELE(9)		     OpenBSD Kernel Manual		      VRELE(9)

NAME
     vrele - decrement the use count for a vnode

SYNOPSIS
     #include <sys/param.h>
     #include <sys/vnode.h>

     int
     vrele(struct vnode *vp);

DESCRIPTION
     Decrement the v_usecount field of the vnode specified by vp.

     Any code in the system which uses a vnode should call vrele() when it is
     finished with the vnode.  If the v_usecount field of the vnode reaches
     zero, the vnode will be placed on the free list.

RETURN VALUES
     vrele() returns 0 if it can guarantee that it did not sleep.

SEE ALSO
     vget(9), vnode(9), vput(9), vref(9)

AUTHORS
     This man page was originally written by Doug Rabson for FreeBSD.

OpenBSD 4.9		       October 28, 2010			   OpenBSD 4.9

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