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path: root/fs/btrfs/print-tree.c
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-rw-r--r--fs/btrfs/print-tree.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c
index 030324febf6c..da0b4dcf3617 100644
--- a/fs/btrfs/print-tree.c
+++ b/fs/btrfs/print-tree.c
@@ -33,6 +33,7 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
struct btrfs_file_extent_item *fi;
struct btrfs_key key;
struct btrfs_key found_key;
+ struct btrfs_extent_ref *ref;
u32 type;
printk("leaf %llu total ptrs %d free space %d\n",
@@ -73,6 +74,15 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
printk("\t\textent data refs %u\n",
btrfs_extent_refs(l, ei));
break;
+ case BTRFS_EXTENT_REF_KEY:
+ ref = btrfs_item_ptr(l, i, struct btrfs_extent_ref);
+ printk("\t\textent back ref root %llu gen %llu "
+ "owner %llu offset %llu\n",
+ (unsigned long long)btrfs_ref_root(l, ref),
+ (unsigned long long)btrfs_ref_generation(l, ref),
+ (unsigned long long)btrfs_ref_objectid(l, ref),
+ (unsigned long long)btrfs_ref_offset(l, ref));
+ break;
case BTRFS_EXTENT_DATA_KEY:
fi = btrfs_item_ptr(l, i,