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authorAlex Shi <alex.shi@linaro.org>2017-03-20 12:02:33 +0800
committerAlex Shi <alex.shi@linaro.org>2017-03-20 12:02:33 +0800
commit156f7b56ee4b918b95991750e0f34da8ad416eae (patch)
treefd47da260b3c78631721f36edf01b2878358283a /fs/ocfs2/dlmglue.c
parent2e2fb031287a5946d97b85769f80ca60f0166e15 (diff)
parentd97f745e1d2fea4d2f308e5e06eee81a9a84f3f5 (diff)
Merge branch 'linux-linaro-lsk-v4.1' into linux-linaro-lsk-v4.1-rtlsk-v4.1-17.06-rtlsk-v4.1-17.05-rtlsk-v4.1-17.03-rtlinux-linaro-lsk-v4.1-rt
Diffstat (limited to 'fs/ocfs2/dlmglue.c')
-rw-r--r--fs/ocfs2/dlmglue.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index 3623ab6fa97f..4a4ac9386d4d 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -3322,6 +3322,16 @@ 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;