zygo: btrfs: get a call trace when we hit ghost parent transid verify failures

(cherry picked from commit 5abbed1af5570f1317f31736e3862e8b7df1ca8b)
(cherry picked from commit bdfb7a5429475b12a8a1c817b4e9e452c1fc9bea)
(cherry picked from commit abe0b4452dd22410eeda535bcfab25f5a6e8b6de)
(cherry picked from commit 983d9f3319e1e38dd85bcc66cfc04fdbf7627fc0)

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 082400b2ff4c91e41f200823de5ded402150eab9..da73acc0e6061dd5d553268e9b3e0acdd31bf252 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -334,6 +334,7 @@ static int verify_parent_transid(struct extent_io_tree *io_tree,
                "parent transid verify failed on %llu wanted %llu found %llu",
                        eb->start,
                        parent_transid, btrfs_header_generation(eb));
+               WARN_ON(1);
        ret = 1;
 
        /*