Btrfs-progs: fsck: deal with corrupted csum root

[platform/upstream/btrfs-progs.git] / disk-io.c

diff --git a/disk-io.c b/disk-io.c
index ed0b462..5a2c49d 100644 (file)
--- a/disk-io.c
+++ b/disk-io.c
@@ -909,6 +909,13 @@ int btrfs_setup_all_roots(struct btrfs_fs_info *fs_info, u64 root_tree_bytenr,
                printk("Couldn't setup csum tree\n");
                if (!(flags & OPEN_CTREE_PARTIAL))
                        return -EIO;
+               /* do the same thing as extent tree rebuilding */
+               fs_info->csum_root->node =
+                       btrfs_find_create_tree_block(fs_info->extent_root, 0,
+                                                    leafsize);
+               if (!fs_info->csum_root->node)
+                       return -ENOMEM;
+               clear_extent_buffer_uptodate(NULL, fs_info->csum_root->node);
        }
        fs_info->csum_root->track_dirty = 1;