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-rw-r--r--libglusterfs/src/Makefile.am6
-rw-r--r--libglusterfs/src/list.h23
2 files changed, 27 insertions, 2 deletions
diff --git a/libglusterfs/src/Makefile.am b/libglusterfs/src/Makefile.am
index 2441023ad39..818de91cf36 100644
--- a/libglusterfs/src/Makefile.am
+++ b/libglusterfs/src/Makefile.am
@@ -30,7 +30,8 @@ libglusterfs_la_SOURCES = dict.c xlator.c logging.c \
$(CONTRIBDIR)/libgen/basename_r.c $(CONTRIBDIR)/libgen/dirname_r.c \
$(CONTRIBDIR)/stdlib/gf_mkostemp.c strfd.c parse-utils.c \
$(CONTRIBDIR)/mount/mntent.c $(CONTRIBDIR)/libexecinfo/execinfo.c\
- quota-common-utils.c rot-buffs.c
+ quota-common-utils.c rot-buffs.c $(CONTRIBDIR)/timer-wheel/timer-wheel.c \
+ $(CONTRIBDIR)/timer-wheel/find_last_bit.c
nodist_libglusterfs_la_SOURCES = y.tab.c graph.lex.c
@@ -49,7 +50,8 @@ noinst_HEADERS = common-utils.h defaults.h dict.h glusterfs.h hashfn.h timespec.
template-component-messages.h strfd.h syncop-utils.h parse-utils.h \
$(CONTRIBDIR)/mount/mntent_compat.h lvm-defaults.h \
$(CONTRIBDIR)/libexecinfo/execinfo_compat.h \
- unittest/unittest.h quota-common-utils.h rot-buffs.h
+ unittest/unittest.h quota-common-utils.h rot-buffs.h \
+ $(CONTRIBDIR)/timer-wheel/timer-wheel.h
EXTRA_DIST = graph.l graph.y
diff --git a/libglusterfs/src/list.h b/libglusterfs/src/list.h
index 894fa3012cf..a860275a91e 100644
--- a/libglusterfs/src/list.h
+++ b/libglusterfs/src/list.h
@@ -191,6 +191,29 @@ list_is_singular(struct list_head *head)
return !list_empty(head) && (head->next == head->prev);
}
+/**
+ * list_replace - replace old entry by new one
+ * @old : the element to be replaced
+ * @new : the new element to insert
+ *
+ * If @old was empty, it will be overwritten.
+ */
+static inline void list_replace(struct list_head *old,
+ struct list_head *new)
+{
+ new->next = old->next;
+ new->next->prev = new;
+ new->prev = old->prev;
+ new->prev->next = new;
+}
+
+static inline void list_replace_init(struct list_head *old,
+ struct list_head *new)
+{
+ list_replace(old, new);
+ INIT_LIST_HEAD(old);
+}
+
#define list_entry(ptr, type, member) \
((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member)))