1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/idr.h b/include/linux/idr.h
index d37c8d808b0f..826803449db7 100644
--- a/include/linux/idr.h
+++ b/include/linux/idr.h
@@ -66,7 +66,7 @@ struct idr {
         .id_free        = NULL,                                 \
         .layers         = 0,                                    \
         .id_free_cnt    = 0,                                    \
-        .lock           = SPIN_LOCK_UNLOCKED,                   \
+        .lock           = __SPIN_LOCK_UNLOCKED(name.lock),      \
 }
 #define DEFINE_IDR(name)        struct idr name = IDR_INIT(name)
 
@@ -78,6 +78,7 @@ void *idr_find(struct idr *idp, int id);
 int idr_pre_get(struct idr *idp, gfp_t gfp_mask);
 int idr_get_new(struct idr *idp, void *ptr, int *id);
 int idr_get_new_above(struct idr *idp, void *ptr, int starting_id, int *id);
+void *idr_replace(struct idr *idp, void *ptr, int id);
 void idr_remove(struct idr *idp, int id);
 void idr_destroy(struct idr *idp);
 void idr_init(struct idr *idp);