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Don't cache a device vnode in a layer node cache once the layer node 

is inactivated.  Otherwise, the device won't closed.
This commit is contained in:
enami 2000-12-21 03:51:02 +00:00
parent 7daeeec54d
commit 0088605039
1 changed files with 8 additions and 3 deletions
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11
sys/miscfs/genfs/layer_vnops.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: layer_vnops.c,v 1.4 2000/09/19 22:01:59 fvdl Exp $ */
/* $NetBSD: layer_vnops.c,v 1.5 2000/12/21 03:51:02 enami Exp $ */
/*
* Copyright (c) 1999 National Aeronautics & Space Administration
@ -71,7 +71,7 @@
*
* Ancestors:
* @(#)lofs_vnops.c 1.2 (Berkeley) 6/18/92
* $Id: layer_vnops.c,v 1.4 2000/09/19 22:01:59 fvdl Exp $
* $Id: layer_vnops.c,v 1.5 2000/12/21 03:51:02 enami Exp $
* ...and...
* @(#)null_vnodeops.c 1.20 92/07/07 UCLA Ficus project
*/
@ -737,6 +737,7 @@ layer_inactive(v)
struct vnode *a_vp;
struct proc *a_p;
} */ *ap = v;
struct vnode *vp = ap->a_vp;
/*
* Do nothing (and _don't_ bypass).
@ -750,7 +751,11 @@ layer_inactive(v)
* like they do in the name lookup cache code.
* That's too much work for now.
*/
VOP_UNLOCK(ap->a_vp, 0);
VOP_UNLOCK(vp, 0);
/* ..., but don't cache the device node. */
if (vp->v_type == VBLK || vp->v_type == VCHR)
vgone(vp);
return (0);
}