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path: root/fs/ocfs2/dlm/dlmast.c
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Diffstat (limited to 'fs/ocfs2/dlm/dlmast.c')
-rw-r--r--fs/ocfs2/dlm/dlmast.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/fs/ocfs2/dlm/dlmast.c b/fs/ocfs2/dlm/dlmast.c
index 355593dd8ef..42775e2bbe2 100644
--- a/fs/ocfs2/dlm/dlmast.c
+++ b/fs/ocfs2/dlm/dlmast.c
@@ -197,12 +197,14 @@ static void dlm_update_lvb(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,
lock->ml.node == dlm->node_num ? "master" :
"remote");
memcpy(lksb->lvb, res->lvb, DLM_LVB_LEN);
- } else if (lksb->flags & DLM_LKSB_PUT_LVB) {
- mlog(0, "setting lvb from lockres for %s node\n",
- lock->ml.node == dlm->node_num ? "master" :
- "remote");
- memcpy(res->lvb, lksb->lvb, DLM_LVB_LEN);
}
+ /* Do nothing for lvb put requests - they should be done in
+ * place when the lock is downconverted - otherwise we risk
+ * racing gets and puts which could result in old lvb data
+ * being propagated. We leave the put flag set and clear it
+ * here. In the future we might want to clear it at the time
+ * the put is actually done.
+ */
spin_unlock(&res->spinlock);
}
@@ -381,8 +383,7 @@ do_ast:
ret = DLM_NORMAL;
if (past->type == DLM_AST) {
/* do not alter lock refcount. switching lists. */
- list_del_init(&lock->list);
- list_add_tail(&lock->list, &res->granted);
+ list_move_tail(&lock->list, &res->granted);
mlog(0, "ast: adding to granted list... type=%d, "
"convert_type=%d\n", lock->ml.type, lock->ml.convert_type);
if (lock->ml.convert_type != LKM_IVMODE) {