LU-12542 handle: remove locking from class_handle2object()

[fs/lustre-release.git] / lustre / obdclass / lustre_handles.c

diff --git a/lustre/obdclass/lustre_handles.c b/lustre/obdclass/lustre_handles.c
index 7931442..8a6bd97 100644 (file)
--- a/lustre/obdclass/lustre_handles.c
+++ b/lustre/obdclass/lustre_handles.c
@@ -155,15 +155,12 @@ void *class_handle2object(u64 cookie, const char *owner)
                if (h->h_cookie != cookie || h->h_owner != owner)
                        continue;
 
-               spin_lock(&h->h_lock);
-               if (likely(h->h_in != 0)) {
-                       refcount_inc(&h->h_ref);
+               if (refcount_inc_not_zero(&h->h_ref)) {
                        CDEBUG(D_INFO, "GET %s %p refcount=%d\n",
                               h->h_owner, h,
                               refcount_read(&h->h_ref));
                        retval = h;
                }
-               spin_unlock(&h->h_lock);
                break;
        }
        rcu_read_unlock();