LU-1876 ldlm: extend ldlm_valblock_ops{}

[fs/lustre-release.git] / lustre / obdfilter / filter_lvb.c

diff --git a/lustre/obdfilter/filter_lvb.c b/lustre/obdfilter/filter_lvb.c
index a548983..b488387 100644 (file)
--- a/lustre/obdfilter/filter_lvb.c
+++ b/lustre/obdfilter/filter_lvb.c
@@ -265,8 +265,29 @@ out:
         return rc;
 }
 
+static int filter_lvbo_size(struct ldlm_lock *unused)
+{
+       return sizeof(struct ost_lvb);
+}
+
+static int filter_lvbo_fill(struct ldlm_lock *lock,
+                           void *buf, int buflen)
+{
+       struct ldlm_resource *res = lock->l_resource;
+
+       lock_res(res);
+       LASSERTF(buflen >= res->lr_lvb_len,
+                "actual %d, want %d\n", buflen, res->lr_lvb_len);
+       memcpy(buf, res->lr_lvb_data, res->lr_lvb_len);
+       unlock_res(res);
+
+       return res->lr_lvb_len;
+}
+
 struct ldlm_valblock_ops filter_lvbo = {
         lvbo_init: filter_lvbo_init,
         lvbo_update: filter_lvbo_update,
-        lvbo_free: filter_lvbo_free
+        lvbo_free: filter_lvbo_free,
+       lvbo_size: filter_lvbo_size,
+       lvbo_fill: filter_lvbo_fill
 };