add VOP_ISLOCKED to test for underlying object locked

SCCS-vsn: sys/sys/vnode.h 7.19

diff --git a/usr/src/sys/sys/vnode.h b/usr/src/sys/sys/vnode.h
index 31e85c1..f54c453 100644 (file)
--- a/usr/src/sys/sys/vnode.h
+++ b/usr/src/sys/sys/vnode.h
@@ -14,7 +14,7 @@
  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *
  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *

- *     @(#)vnode.h     7.18 (Berkeley) %G%
+ *     @(#)vnode.h     7.19 (Berkeley) %G%

  */
 
 /*
  */
 
 /*


@@ -128,6 +128,7 @@ struct vnodeops {
        int     (*vn_strategy)(         /* bp */ );
 
        int     (*vn_print)(            /* vp */ );
        int     (*vn_strategy)(         /* bp */ );
 
        int     (*vn_print)(            /* vp */ );

+       int     (*vn_islocked)(         /* vp */ );

 };
 
 /* Macros to call the vnode ops */
 };
 
 /* Macros to call the vnode ops */


@@ -162,6 +163,7 @@ struct vnodeops {
 #define        VOP_BMAP(v,s,p,n)       (*((v)->v_op->vn_bmap))((v),(s),(p),(n))
 #define        VOP_STRATEGY(b)         (*((b)->b_vp->v_op->vn_strategy))(b)
 #define        VOP_PRINT(v)            (*((v)->v_op->vn_print))(v)
 #define        VOP_BMAP(v,s,p,n)       (*((v)->v_op->vn_bmap))((v),(s),(p),(n))
 #define        VOP_STRATEGY(b)         (*((b)->b_vp->v_op->vn_strategy))(b)
 #define        VOP_PRINT(v)            (*((v)->v_op->vn_print))(v)

+#define        VOP_ISLOCKED(v)         (*((v)->v_op->vn_islocked))(v)

 
 /*
  * This structure defines the information maintained about
 
 /*
  * This structure defines the information maintained about