NAME    [Toc]    [Back]

     vhold, vdrop -- acquire/release a hold on a vnode

SYNOPSIS    [Toc]    [Back]

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

     void
     vhold(struct vnode *vp);

     void
     vdrop(struct vnode *vp);

DESCRIPTION    [Toc]    [Back]

     The vhold() function increments the v_holdcnt of the given vnode.	If the
     vnode has already been added to the free list and is still referenced, it
     will be removed.

     The vdrop() function decrements the v_holdcnt of the vnode.  If the holdcount
 is less than or equal zero prior to calling vdrop(), the system
     will panic.  If the vnode is no longer referenced, it will freed.

SEE ALSO    [Toc]    [Back]

     vbusy(9), vfree(9)

AUTHORS    [Toc]    [Back]

     This man page was written by Chad David <[email protected]>.


FreeBSD 5.2.1		       November 21, 2001		 FreeBSD 5.2.1