On Sat, Sep 15, 2012 at 10:19:35AM +0200, Michal Mazurek wrote: > > > > doesn;t the code mean the check is for zero, not "less than or equal to > > zero"? > > > Oops, you're right. >
everything else looks alright. i'll commit it soon if no one objects, though i'd prefer it if another developer would ok it. jmc > Index: Makefile > =================================================================== > RCS file: /cvs/src/share/man/man9/Makefile,v > retrieving revision 1.171 > diff -u -p -r1.171 Makefile > --- Makefile 21 Jun 2012 18:02:21 -0000 1.171 > +++ Makefile 14 Sep 2012 18:06:46 -0000 > @@ -373,5 +373,6 @@ MLINKS+=VOP_LOOKUP.9 VOP_ABORTOP.9 VOP_L > MLINKS+=workq_add_task.9 workq_create.9 \ > workq_add_task.9 workq_queue_task.9 \ > workq_add_task.9 workq_destroy.9 > +MLINKS+=vhold.9 vdrop.9 > > .include <bsd.prog.mk> > Index: vhold.9 > =================================================================== > RCS file: /cvs/src/share/man/man9/vhold.9,v > retrieving revision 1.6 > diff -u -p -r1.6 vhold.9 > --- vhold.9 15 Dec 2009 07:34:58 -0000 1.6 > +++ vhold.9 14 Sep 2012 18:06:46 -0000 > @@ -38,6 +38,8 @@ > .Fd #include <sys/vnode.h> > .Ft void > .Fn vhold "struct vnode *vp" > +.Ft void > +.Fn vdrop "struct vnode *vp" > .Sh DESCRIPTION > The > .Fn vhold > @@ -50,6 +52,16 @@ and > .Va v_usecount > are both zero, it will be removed from the free list and > added to the vnode hold list. > +.Pp > +The > +.Fn vdrop > +function decrements the > +.Va v_holdcnt > +of the vnode. > +If the holdcount is zero prior to calling > +.Fn vdrop , > +the system will panic. > +If the vnode is no longer referenced, it will be freed. > .Sh SEE ALSO > .Xr vnode 9 > .Sh AUTHORS > > -- > Michal Mazurek
