X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Ffs%2Focfs2%2Fdlmglue.c;fp=kernel%2Ffs%2Focfs2%2Fdlmglue.c;h=60a5f1548cd96d51981afb86fb32fecd8447f4af;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hp=b002acf502039a7c0f4c982ba69a5a77558400a2;hpb=c189ccac5702322ed843fe17057035b7222a59b6;p=kvmfornfv.git

diff --git a/kernel/fs/ocfs2/dlmglue.c b/kernel/fs/ocfs2/dlmglue.c
index b002acf50..60a5f1548 100644
--- a/kernel/fs/ocfs2/dlmglue.c
+++ b/kernel/fs/ocfs2/dlmglue.c
@@ -3321,6 +3321,16 @@ static int ocfs2_downconvert_lock(struct ocfs2_super *osb,
 	mlog(ML_BASTS, "lockres %s, level %d => %d\n", lockres->l_name,
 	     lockres->l_level, new_level);
 
+	/*
+	 * On DLM_LKF_VALBLK, fsdlm behaves differently with o2cb. It always
+	 * expects DLM_LKF_VALBLK being set if the LKB has LVB, so that
+	 * we can recover correctly from node failure. Otherwise, we may get
+	 * invalid LVB in LKB, but without DLM_SBF_VALNOTVALID being set.
+	 */
+	if (!ocfs2_is_o2cb_active() &&
+	    lockres->l_ops->flags & LOCK_TYPE_USES_LVB)
+		lvb = 1;
+
 	if (lvb)
 		dlm_flags |= DLM_LKF_VALBLK;