freebsd-skq/share/man/man9/vrele.9
Hiten Pandya 0640e9e01b Some mdoc(7) fixes:
Nuke incorrect usage of .Ar; replace it with .Vt, .Va or .Fa appropriately.
The .Ar mdoc(7) specifier should only be used when displaying command line
arguments.

Approved by:	des (mentor)
2003-05-31 14:07:25 +00:00

65 lines
2.0 KiB
Groff

.\" -*- nroff -*-
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.\" Copyright (c) 1996 Doug Rabson
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.\" $FreeBSD$
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.Dd July 24, 1996
.Os
.Dt VRELE 9
.Sh NAME
.Nm vrele
.Nd decrement the use count for a vnode
.Sh SYNOPSIS
.In sys/param.h
.In sys/vnode.h
.Ft void
.Fn vrele "struct vnode *vp"
.Sh DESCRIPTION
Decrement the
.Va v_usecount
field of a vnode.
.Bl -tag -width 2n
.It Fa vp
the vnode to decrement
.El
.Pp
Any code in the system which is using a vnode should call
.Fn vrele
when it is finished with the vnode.
If the
.Va v_usecount
field of the vnode reaches zero, then it will be placed on the free list.
.Sh SEE ALSO
.Xr vget 9 ,
.Xr vnode 9 ,
.Xr vput 9 ,
.Xr vref 9
.Sh AUTHORS
This man page was written by
.An Doug Rabson .