Btrfs: extent fixes

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index b737925be314..78407d32db78 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -57,6 +57,11 @@ struct ctree_root_info {
         u64 snapuuid[2]; /* root specific uuid */
 } __attribute__ ((__packed__));
 
+struct ctree_super_block {
+        struct ctree_root_info root_info;
+        struct ctree_root_info extent_info;
+} __attribute__ ((__packed__));
+
 struct item {
         struct key key;
         u16 offset;