LU-181 obdclass: fix portal_handle memory wastage

[fs/lustre-release.git] / lustre / lov / lov_request.c

diff --git a/lustre/lov/lov_request.c b/lustre/lov/lov_request.c
index 87204c3..c7293e5 100644 (file)
--- a/lustre/lov/lov_request.c
+++ b/lustre/lov/lov_request.c
@@ -272,6 +272,37 @@ int lov_fini_enqueue_set(struct lov_request_set *set, __u32 mode, int rc,
         RETURN(rc ? rc : ret);
 }
 
+static void lov_llh_addref(void *llhp)
+{
+       struct lov_lock_handles *llh = llhp;
+
+       cfs_atomic_inc(&llh->llh_refcount);
+       CDEBUG(D_INFO, "GETting llh %p : new refcount %d\n", llh,
+              cfs_atomic_read(&llh->llh_refcount));
+}
+
+static struct portals_handle_ops lov_handle_ops = {
+       .hop_addref = lov_llh_addref,
+       .hop_free   = NULL,
+};
+
+static struct lov_lock_handles *lov_llh_new(struct lov_stripe_md *lsm)
+{
+       struct lov_lock_handles *llh;
+
+       OBD_ALLOC(llh, sizeof *llh +
+                 sizeof(*llh->llh_handles) * lsm->lsm_stripe_count);
+       if (llh == NULL)
+               return NULL;
+
+       cfs_atomic_set(&llh->llh_refcount, 2);
+       llh->llh_stripe_count = lsm->lsm_stripe_count;
+       CFS_INIT_LIST_HEAD(&llh->llh_handle.h_link);
+       class_handle_hash(&llh->llh_handle, &lov_handle_ops);
+
+       return llh;
+}
+
 int lov_prep_enqueue_set(struct obd_export *exp, struct obd_info *oinfo,
                          struct ldlm_enqueue_info *einfo,
                          struct lov_request_set **reqset)