diff options
Diffstat (limited to 'share/man/man9/vref.9')
| -rw-r--r-- | share/man/man9/vref.9 | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/share/man/man9/vref.9 b/share/man/man9/vref.9 index f21b9f269f33..7b0c0f3fa4cd 100644 --- a/share/man/man9/vref.9 +++ b/share/man/man9/vref.9 @@ -28,17 +28,19 @@ .\" .\" $FreeBSD$ .\" -.Dd July 24, 1996 +.Dd January 18, 2016 .Dt VREF 9 .Os .Sh NAME -.Nm vref +.Nm vref , vrefl .Nd increment the use count for a vnode .Sh SYNOPSIS .In sys/param.h .In sys/vnode.h .Ft void .Fn vref "struct vnode *vp" +.Ft void +.Fn vrefl "struct vnode *vp" .Sh DESCRIPTION Increment the .Va v_usecount @@ -56,7 +58,14 @@ no longer being used and can be safely recycled for a different file. Any code in the system which is using a vnode (e.g.\& during the operation of some algorithm or to store in a data structure) should call -.Fn vref . +.Fn vref +or +.Fn vrefl . +.Pp +.Fn vref +locks the vnode interlock while +.Fn vrefl +expects the interlock to already be held. .Sh SEE ALSO .Xr vget 9 , .Xr vnode 9 , |