timers: Rename timerlist infrastructure to timerqueue

Thomas pointed out a namespace collision between the new timerlist
infrastructure I introduced and the existing timer_list.c

So to avoid confusion, I've renamed the timerlist infrastructure
to timerqueue.

Reported-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>

diff --git a/include/linux/timerlist.h b/include/linux/timerlist.h
deleted file mode 100644 (file)
index c46b28a..0000000
--- a/include/linux/timerlist.h
+++ /dev/null
@@ -1,37 +0,0 @@
-#ifndef _LINUX_TIMERLIST_H
-#define _LINUX_TIMERLIST_H
-
-#include <linux/rbtree.h>
-#include <linux/ktime.h>
-
-
-struct timerlist_node {
-       struct rb_node node;
-       ktime_t expires;
-};
-
-struct timerlist_head {
-       struct rb_root head;
-       struct timerlist_node *next;
-};
-
-
-extern void timerlist_add(struct timerlist_head *head,
-                               struct timerlist_node *node);
-extern void timerlist_del(struct timerlist_head *head,
-                               struct timerlist_node *node);
-extern struct timerlist_node *timerlist_getnext(struct timerlist_head *head);
-extern struct timerlist_node *timerlist_iterate_next(
-                                               struct timerlist_node *node);
-
-static inline void timerlist_init(struct timerlist_node *node)
-{
-       RB_CLEAR_NODE(&node->node);
-}
-
-static inline void timerlist_init_head(struct timerlist_head *head)
-{
-       head->head = RB_ROOT;
-       head->next = NULL;
-}
-#endif /* _LINUX_TIMERLIST_H */

diff --git a/include/linux/timerqueue.h b/include/linux/timerqueue.h
new file mode 100644 (file)
index 0000000..406b103
--- /dev/null
+++ b/include/linux/timerqueue.h
@@ -0,0 +1,37 @@
+#ifndef _LINUX_TIMERQUEUE_H
+#define _LINUX_TIMERQUEUE_H
+
+#include <linux/rbtree.h>
+#include <linux/ktime.h>
+
+
+struct timerqueue_node {
+       struct rb_node node;
+       ktime_t expires;
+};
+
+struct timerqueue_head {
+       struct rb_root head;
+       struct timerqueue_node *next;
+};
+
+
+extern void timerqueue_add(struct timerqueue_head *head,
+                               struct timerqueue_node *node);
+extern void timerqueue_del(struct timerqueue_head *head,
+                               struct timerqueue_node *node);
+extern struct timerqueue_node *timerqueue_getnext(struct timerqueue_head *head);
+extern struct timerqueue_node *timerqueue_iterate_next(
+                                               struct timerqueue_node *node);
+
+static inline void timerqueue_init(struct timerqueue_node *node)
+{
+       RB_CLEAR_NODE(&node->node);
+}
+
+static inline void timerqueue_init_head(struct timerqueue_head *head)
+{
+       head->head = RB_ROOT;
+       head->next = NULL;
+}
+#endif /* _LINUX_TIMERQUEUE_H */

diff --git a/lib/Makefile b/lib/Makefile
index 8b475cf..9e2db72 100644 (file)
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -8,7 +8,7 @@ KBUILD_CFLAGS = $(subst -pg,,$(ORIG_CFLAGS))
 endif
 
 lib-y := ctype.o string.o vsprintf.o cmdline.o \
-        rbtree.o radix-tree.o dump_stack.o timerlist.o\
+        rbtree.o radix-tree.o dump_stack.o timerqueue.o\
         idr.o int_sqrt.o extable.o prio_tree.o \
         sha1.o irq_regs.o reciprocal_div.o argv_split.o \
         proportions.o prio_heap.o ratelimit.o show_mem.o \

diff --git a/lib/timerlist.c b/lib/timerqueue.c
similarity index 67%
rename from lib/timerlist.c
rename to lib/timerqueue.c
index 9101b42..f46de84 100644 (file)
--- a/lib/timerlist.c
+++ b/lib/timerqueue.c
@@ -1,7 +1,7 @@
 /*
- *  Generic Timer-list
+ *  Generic Timer-queue
  *
- *  Manages a simple list of timers, ordered by expiration time.
+ *  Manages a simple queue of timers, ordered by expiration time.
  *  Uses rbtrees for quick list adds and expiration.
  *
  *  NOTE: All of the following functions need to be serialized
@@ -22,30 +22,30 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include <linux/timerlist.h>
+#include <linux/timerqueue.h>
 #include <linux/rbtree.h>
 
 /**
- * timerlist_add - Adds timer to timerlist.
+ * timerqueue_add - Adds timer to timerqueue.
  *
- * @head: head of timerlist
+ * @head: head of timerqueue
  * @node: timer node to be added
  *
- * Adds the timer node to the timerlist, sorted by the
+ * Adds the timer node to the timerqueue, sorted by the
  * node's expires value.
  */
-void timerlist_add(struct timerlist_head *head, struct timerlist_node *node)
+void timerqueue_add(struct timerqueue_head *head, struct timerqueue_node *node)
 {
        struct rb_node **p = &head->head.rb_node;
        struct rb_node *parent = NULL;
-       struct timerlist_node  *ptr;
+       struct timerqueue_node  *ptr;
 
        /* Make sure we don't add nodes that are already added */
        WARN_ON_ONCE(!RB_EMPTY_NODE(&node->node));
 
        while (*p) {
                parent = *p;
-               ptr = rb_entry(parent, struct timerlist_node, node);
+               ptr = rb_entry(parent, struct timerqueue_node, node);
                if (node->expires.tv64 < ptr->expires.tv64)
                        p = &(*p)->rb_left;
                else
@@ -59,14 +59,14 @@ void timerlist_add(struct timerlist_head *head, struct timerlist_node *node)
 }
 
 /**
- * timerlist_del - Removes a timer from the timerlist.
+ * timerqueue_del - Removes a timer from the timerqueue.
  *
- * @head: head of timerlist
+ * @head: head of timerqueue
  * @node: timer node to be removed
  *
- * Removes the timer node from the timerlist.
+ * Removes the timer node from the timerqueue.
  */
-void timerlist_del(struct timerlist_head *head, struct timerlist_node *node)
+void timerqueue_del(struct timerqueue_head *head, struct timerqueue_node *node)
 {
        WARN_ON_ONCE(RB_EMPTY_NODE(&node->node));
 
@@ -75,7 +75,7 @@ void timerlist_del(struct timerlist_head *head, struct timerlist_node *node)
                struct rb_node *rbn = rb_next(&node->node);
 
                head->next = rbn ?
-                       rb_entry(rbn, struct timerlist_node, node) : NULL;
+                       rb_entry(rbn, struct timerqueue_node, node) : NULL;
        }
        rb_erase(&node->node, &head->head);
        RB_CLEAR_NODE(&node->node);
@@ -83,21 +83,21 @@ void timerlist_del(struct timerlist_head *head, struct timerlist_node *node)
 
 
 /**
- * timerlist_getnext - Returns the timer with the earlies expiration time
+ * timerqueue_getnext - Returns the timer with the earlies expiration time
  *
- * @head: head of timerlist
+ * @head: head of timerqueue
  *
  * Returns a pointer to the timer node that has the
  * earliest expiration time.
  */
-struct timerlist_node *timerlist_getnext(struct timerlist_head *head)
+struct timerqueue_node *timerqueue_getnext(struct timerqueue_head *head)
 {
        return head->next;
 }
 
 
 /**
- * timerlist_iterate_next - Returns the timer after the provided timer
+ * timerqueue_iterate_next - Returns the timer after the provided timer
  *
  * @node: Pointer to a timer.
  *
@@ -105,7 +105,7 @@ struct timerlist_node *timerlist_getnext(struct timerlist_head *head)
  * necessary, to iterate through the list of timers in a timer list
  * without modifying the list.
  */
-struct timerlist_node *timerlist_iterate_next(struct timerlist_node *node)
+struct timerqueue_node *timerqueue_iterate_next(struct timerqueue_node *node)
 {
        struct rb_node *next;
 
@@ -114,5 +114,5 @@ struct timerlist_node *timerlist_iterate_next(struct timerlist_node *node)
        next = rb_next(&node->node);
        if (!next)
                return NULL;
-       return container_of(next, struct timerlist_node, node);
+       return container_of(next, struct timerqueue_node, node);
 }