[EMAIL PROTECTED], 2005-03-24 12:58:57-08:00, [EMAIL PROTECTED]
  [klist] add klist_node_attached() to determine if a node is on a list or not.


  Signed-off-by: Patrick Mochel <[EMAIL PROTECTED]>

diff -Nru a/include/linux/klist.h b/include/linux/klist.h
--- a/include/linux/klist.h     2005-03-24 20:33:45 -08:00
+++ b/include/linux/klist.h     2005-03-24 20:33:45 -08:00
@@ -37,6 +37,8 @@
 extern void klist_del(struct klist_node * n);
 extern void klist_remove(struct klist_node * n);

+extern int klist_node_attached(struct klist_node * n);
+

 struct klist_iter {
        struct klist            * i_klist;
diff -Nru a/lib/klist.c b/lib/klist.c
--- a/lib/klist.c       2005-03-24 20:33:45 -08:00
+++ b/lib/klist.c       2005-03-24 20:33:45 -08:00
@@ -112,6 +112,7 @@
        struct klist_node * n = container_of(kref, struct klist_node, n_ref);
        list_del(&n->n_node);
        complete(&n->n_removed);
+       n->n_klist = NULL;
 }

 static int klist_dec_and_del(struct klist_node * n)
@@ -154,6 +155,19 @@


 /**
+ *     klist_node_attached - Say whether a node is bound to a list or not.
+ *     @n:     Node that we're testing.
+ */
+
+int klist_node_attached(struct klist_node * n)
+{
+       return (n->n_klist != NULL);
+}
+
+EXPORT_SYMBOL_GPL(klist_node_attached);
+
+
+/**
  *     klist_iter_init_node - Initialize a klist_iter structure.
  *     @k:     klist we're iterating.
  *     @i:     klist_iter we're filling.
@@ -246,3 +260,5 @@
 }

 EXPORT_SYMBOL_GPL(klist_next);
+
+
-
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