diff options
Diffstat (limited to 'libglusterfs')
| -rw-r--r-- | libglusterfs/src/Makefile.am | 6 | ||||
| -rw-r--r-- | libglusterfs/src/list.h | 23 |
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))) |