start of block group code

[platform/upstream/btrfs-progs.git] / ctree.c

diff --git a/ctree.c b/ctree.c
index ab8f9d0..c6dcba7 100644 (file)
--- a/ctree.c
+++ b/ctree.c
@@ -685,6 +685,8 @@ static int insert_new_root(struct btrfs_trans_handle *trans, struct btrfs_root
        btrfs_set_header_level(&c->header, level);
        btrfs_set_header_blocknr(&c->header, t->blocknr);
        btrfs_set_header_owner(&c->header, root->root_key.objectid);
+       memcpy(c->header.fsid, root->fs_info->disk_super->fsid,
+              sizeof(c->header.fsid));
        lower = &path->nodes[level-1]->node;
        if (btrfs_is_leaf(lower))
                lower_key = &((struct btrfs_leaf *)lower)->items[0].key;
@@ -771,6 +773,8 @@ static int split_node(struct btrfs_trans_handle *trans, struct btrfs_root
        btrfs_set_header_level(&split->header, btrfs_header_level(&c->header));
        btrfs_set_header_blocknr(&split->header, split_buffer->blocknr);
        btrfs_set_header_owner(&split->header, root->root_key.objectid);
+       memcpy(split->header.fsid, root->fs_info->disk_super->fsid,
+              sizeof(split->header.fsid));
        mid = (c_nritems + 1) / 2;
        memcpy(split->ptrs, c->ptrs + mid,
                (c_nritems - mid) * sizeof(struct btrfs_key_ptr));
@@ -1096,6 +1100,8 @@ static int split_leaf(struct btrfs_trans_handle *trans, struct btrfs_root
        btrfs_set_header_blocknr(&right->header, right_buffer->blocknr);
        btrfs_set_header_level(&right->header, 0);
        btrfs_set_header_owner(&right->header, root->root_key.objectid);
+       memcpy(right->header.fsid, root->fs_info->disk_super->fsid,
+              sizeof(right->header.fsid));
        data_copy_size = btrfs_item_end(l->items + mid) -
                         leaf_data_end(root, l);
        memcpy(right->items, l->items + mid,