freebsd-dev/share/man/man9/vgone.9

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.\"
.\" Copyright (C) 2001 Chad David <davidc@acns.ab.ca>. All rights reserved.
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.\" $FreeBSD$
.\"
.Dd November 21, 2001
.Dt VGONE 9
.Os
.Sh NAME
.Nm vgone , vgonel
.Nd "prepare a vnode for reuse"
.Sh SYNOPSIS
.In sys/param.h
.In sys/vnode.h
.Ft void
.Fn vgone "struct vnode *vp"
.Ft void
.Fn vgonel "struct vnode *vp" "struct thread *td"
.Sh DESCRIPTION
.Fn vgone
and
.Fn vgonel
prepare a vnode for reuse by another file system.
The preparation includes the cleaning of all file system specific data and
the removal from its mount point vnode list.
.Pp
If the vnode has a
.Va v_usecount
of zero, and its
.Dv VI_DOOMED
flag is not set, it is moved to the head of the free list
as in most cases the vnode
is about to be reused, or its file system being unmounted.
.Pp
The difference between
.Fn vgone
and
.Fn vgonel
is that
.Fn vgone
locks the vnode interlock and then calls
.Fn vgonel
while
.Fn vgonel
expects the interlock to already be locked.
.Sh AUTHORS
This manual page was written by
.An Chad David Aq davidc@acns.ab.ca .