Branch HEAD

[fs/lustre-release.git] / lustre / ldlm / ldlm_extent.c

diff --git a/lustre/ldlm/ldlm_extent.c b/lustre/ldlm/ldlm_extent.c
index 86e2ae3..1541416 100644 (file)
--- a/lustre/ldlm/ldlm_extent.c
+++ b/lustre/ldlm/ldlm_extent.c
@@ -134,7 +134,9 @@ static void ldlm_extent_internal_policy_granted(struct ldlm_lock *req,
                         limiter.start = req_start;
 
                 if (interval_is_overlapped(tree->lit_root, &ext))
-                        printk("req_mode = %d, tree->lit_mode = %d, tree->lit_size = %d\n",
+                        CDEBUG(D_INFO, 
+                               "req_mode = %d, tree->lit_mode = %d, "
+                               "tree->lit_size = %d\n",
                                req_mode, tree->lit_mode, tree->lit_size);
                 interval_expand(tree->lit_root, &ext, &limiter);
                 limiter.start = max(limiter.start, ext.start);
@@ -214,7 +216,7 @@ ldlm_extent_internal_policy_waiting(struct ldlm_lock *req,
                         continue;
 
                 /* We grow extents downwards only as far as they don't overlap
-                 * with already-granted locks, on the assumtion that clients
+                 * with already-granted locks, on the assumption that clients
                  * will be writing beyond the initial requested end and would
                  * then need to enqueue a new lock beyond previous request.
                  * l_req_extent->end strictly < req_start, checked above. */
@@ -282,6 +284,9 @@ static int ldlm_check_contention(struct ldlm_lock *lock, int contended_locks)
         struct ldlm_resource *res = lock->l_resource;
         cfs_time_t now = cfs_time_current();
 
+        if (OBD_FAIL_CHECK(OBD_FAIL_LDLM_SET_CONTENTION))
+                return 1;
+
         CDEBUG(D_DLMTRACE, "contended locks = %d\n", contended_locks);
         if (contended_locks > res->lr_namespace->ns_contended_locks)
                 res->lr_contention_time = now;
@@ -618,9 +623,9 @@ static void discard_bl_list(struct list_head *bl_list)
                 lock->l_flags &= ~LDLM_FL_AST_SENT;
                 LASSERT(lock->l_bl_ast_run == 0);
                 LASSERT(lock->l_blocking_lock);
-                LDLM_LOCK_PUT(lock->l_blocking_lock);
+                LDLM_LOCK_RELEASE(lock->l_blocking_lock);
                 lock->l_blocking_lock = NULL;
-                LDLM_LOCK_PUT(lock);
+                LDLM_LOCK_RELEASE(lock);
         }
         EXIT;
 }