btrfs: simplify root lookup by id

[platform/kernel/linux-starfive.git] / fs / btrfs / export.c

diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c
index 2bb25d2..e7cc98b 100644 (file)
--- a/fs/btrfs/export.c
+++ b/fs/btrfs/export.c
@@ -69,11 +69,7 @@ struct dentry *btrfs_get_dentry(struct super_block *sb, u64 objectid,
        if (objectid < BTRFS_FIRST_FREE_OBJECTID)
                return ERR_PTR(-ESTALE);
 
-       key.objectid = root_objectid;
-       key.type = BTRFS_ROOT_ITEM_KEY;
-       key.offset = (u64)-1;
-
-       root = btrfs_get_fs_root(fs_info, &key, true);
+       root = btrfs_get_fs_root(fs_info, root_objectid, true);
        if (IS_ERR(root))
                return ERR_CAST(root);