btrfs-progs: Refactor nodesize user in btrfstune.c

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>

diff --git a/btrfstune.c b/btrfstune.c
index 257bac4..0a6ad9c 100644 (file)
--- a/btrfstune.c
+++ b/btrfstune.c
@@ -149,7 +149,7 @@ static int change_extents_uuid(struct btrfs_fs_info *fs_info)
                        goto next;
 
                bytenr = key.objectid;
-               eb = read_tree_block(root, bytenr, root->nodesize, 0);
+               eb = read_tree_block(root, bytenr, root->fs_info->nodesize, 0);
                if (IS_ERR(eb)) {
                        error("failed to read tree block: %llu", bytenr);
                        ret = PTR_ERR(eb);