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Added DIAGNOSTIC routine to test inconsistency of vnode when cnp

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points `.'.

Obtained from:	NetBSD
This commit is contained in:
KATO Takenori 1997-08-15 02:36:28 +00:00
parent a03a24c901
commit f5a5311ee8
2 changed files with 18 additions and 2 deletions
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10
sys/fs/unionfs/union_vnops.c
View File

@ -35,7 +35,7 @@
* SUCH DAMAGE.
*
* @(#)union_vnops.c 8.32 (Berkeley) 6/23/95
* $Id: union_vnops.c,v 1.36 1997/08/14 03:52:27 kato Exp $
* $Id: union_vnops.c,v 1.37 1997/08/15 02:35:00 kato Exp $
*/
#include <sys/param.h>
@ -438,6 +438,14 @@ union_lookup(ap)
if (*ap->a_vpp != dvp)
if (!lockparent || !(cnp->cn_flags & ISLASTCN))
VOP_UNLOCK(dvp, 0, p);
#ifdef DIAGNOSTIC
if (cnp->cn_namelen == 1 &&
cnp->cn_nameptr[0] == '.' &&
*ap->a_vpp != dvp) {
panic("union_lookup returning . (%p) not same as startdir (%p)",
ap->a_vpp, dvp);
}
#endif
}
return (error);

10
sys/miscfs/union/union_vnops.c
View File

@ -35,7 +35,7 @@
* SUCH DAMAGE.
*
* @(#)union_vnops.c 8.32 (Berkeley) 6/23/95
* $Id: union_vnops.c,v 1.36 1997/08/14 03:52:27 kato Exp $
* $Id: union_vnops.c,v 1.37 1997/08/15 02:35:00 kato Exp $
*/
#include <sys/param.h>
@ -438,6 +438,14 @@ union_lookup(ap)
if (*ap->a_vpp != dvp)
if (!lockparent || !(cnp->cn_flags & ISLASTCN))
VOP_UNLOCK(dvp, 0, p);
#ifdef DIAGNOSTIC
if (cnp->cn_namelen == 1 &&
cnp->cn_nameptr[0] == '.' &&
*ap->a_vpp != dvp) {
panic("union_lookup returning . (%p) not same as startdir (%p)",
ap->a_vpp, dvp);
}
#endif
}
return (error);