ocfs2/dlm: Create and destroy the dlm->master_hash
[pandora-kernel.git] / fs / ocfs2 / dlm / dlmdomain.c
index 63f8125..4531504 100644 (file)
@@ -304,6 +304,9 @@ static void dlm_free_ctxt_mem(struct dlm_ctxt *dlm)
        if (dlm->lockres_hash)
                dlm_free_pagevec((void **)dlm->lockres_hash, DLM_HASH_PAGES);
 
+       if (dlm->master_hash)
+               dlm_free_pagevec((void **)dlm->master_hash, DLM_HASH_PAGES);
+
        if (dlm->name)
                kfree(dlm->name);
 
@@ -1534,12 +1537,27 @@ static struct dlm_ctxt *dlm_alloc_ctxt(const char *domain,
        for (i = 0; i < DLM_HASH_BUCKETS; i++)
                INIT_HLIST_HEAD(dlm_lockres_hash(dlm, i));
 
+       dlm->master_hash = (struct hlist_head **)
+                               dlm_alloc_pagevec(DLM_HASH_PAGES);
+       if (!dlm->master_hash) {
+               mlog_errno(-ENOMEM);
+               dlm_free_pagevec((void **)dlm->lockres_hash, DLM_HASH_PAGES);
+               kfree(dlm->name);
+               kfree(dlm);
+               dlm = NULL;
+               goto leave;
+       }
+
+       for (i = 0; i < DLM_HASH_BUCKETS; i++)
+               INIT_HLIST_HEAD(dlm_master_hash(dlm, i));
+
        strcpy(dlm->name, domain);
        dlm->key = key;
        dlm->node_num = o2nm_this_node();
 
        ret = dlm_create_debugfs_subroot(dlm);
        if (ret < 0) {
+               dlm_free_pagevec((void **)dlm->master_hash, DLM_HASH_PAGES);
                dlm_free_pagevec((void **)dlm->lockres_hash, DLM_HASH_PAGES);
                kfree(dlm->name);
                kfree(dlm);
@@ -1550,6 +1568,7 @@ static struct dlm_ctxt *dlm_alloc_ctxt(const char *domain,
        spin_lock_init(&dlm->spinlock);
        spin_lock_init(&dlm->master_lock);
        spin_lock_init(&dlm->ast_lock);
+       spin_lock_init(&dlm->track_lock);
        INIT_LIST_HEAD(&dlm->list);
        INIT_LIST_HEAD(&dlm->dirty_list);
        INIT_LIST_HEAD(&dlm->reco.resources);