ocfs2: update lvb immediately during recovery
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index de68e49..86199f6 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -1674,40 +1674,48 @@
}
lksb->flags |= (ml->flags &
(DLM_LKSB_PUT_LVB|DLM_LKSB_GET_LVB));
-
+
+ if (ml->type == LKM_NLMODE)
+ goto skip_lvb;
+
if (!dlm_lvb_is_empty(mres->lvb)) {
if (lksb->flags & DLM_LKSB_PUT_LVB) {
/* other node was trying to update
* lvb when node died. recreate the
* lksb with the updated lvb. */
memcpy(lksb->lvb, mres->lvb, DLM_LVB_LEN);
+ /* the lock resource lvb update must happen
+ * NOW, before the spinlock is dropped.
+ * we no longer wait for the AST to update
+ * the lvb. */
+ memcpy(res->lvb, mres->lvb, DLM_LVB_LEN);
} else {
/* otherwise, the node is sending its
* most recent valid lvb info */
BUG_ON(ml->type != LKM_EXMODE &&
ml->type != LKM_PRMODE);
if (!dlm_lvb_is_empty(res->lvb) &&
- (ml->type == LKM_EXMODE ||
- memcmp(res->lvb, mres->lvb, DLM_LVB_LEN))) {
- int i;
- mlog(ML_ERROR, "%s:%.*s: received bad "
- "lvb! type=%d\n", dlm->name,
- res->lockname.len,
- res->lockname.name, ml->type);
- printk("lockres lvb=[");
- for (i=0; i<DLM_LVB_LEN; i++)
- printk("%02x", res->lvb[i]);
- printk("]\nmigrated lvb=[");
- for (i=0; i<DLM_LVB_LEN; i++)
- printk("%02x", mres->lvb[i]);
- printk("]\n");
- dlm_print_one_lock_resource(res);
- BUG();
+ (ml->type == LKM_EXMODE ||
+ memcmp(res->lvb, mres->lvb, DLM_LVB_LEN))) {
+ int i;
+ mlog(ML_ERROR, "%s:%.*s: received bad "
+ "lvb! type=%d\n", dlm->name,
+ res->lockname.len,
+ res->lockname.name, ml->type);
+ printk("lockres lvb=[");
+ for (i=0; i<DLM_LVB_LEN; i++)
+ printk("%02x", res->lvb[i]);
+ printk("]\nmigrated lvb=[");
+ for (i=0; i<DLM_LVB_LEN; i++)
+ printk("%02x", mres->lvb[i]);
+ printk("]\n");
+ dlm_print_one_lock_resource(res);
+ BUG();
}
memcpy(res->lvb, mres->lvb, DLM_LVB_LEN);
}
}
-
+skip_lvb:
/* NOTE:
* wrt lock queue ordering and recovery: