1 files changed, 0 insertions, 92 deletions
diff --git a/fs/btrfs/root.c b/fs/btrfs/root.c
deleted file mode 100644
index a424966df6..0000000000
--- a/fs/btrfs/root.c
+++ /dev/null
@@ -1,92 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * BTRFS filesystem implementation for U-Boot
- *
- * 2017 Marek Behun, CZ.NIC, marek.behun@nic.cz
- */
-
-#include "btrfs.h"
-
-static void read_root_item(struct __btrfs_path *p, struct btrfs_root_item *item)
-{
-	u32 len;
-	int reset = 0;
-
-	len = btrfs_path_item_size(p);
-	memcpy(item, btrfs_path_item_ptr(p, struct btrfs_root_item), len);
-	btrfs_root_item_to_cpu(item);
-
-	if (len < sizeof(*item))
-		reset = 1;
-	if (!reset && item->generation != item->generation_v2) {
-		if (item->generation_v2 != 0)
-			printf("%s: generation != generation_v2 in root item",
-			       __func__);
-		reset = 1;
-	}
-	if (reset) {
-		memset(&item->generation_v2, 0,
-		       sizeof(*item) - offsetof(struct btrfs_root_item,
-						generation_v2));
-	}
-}
-
-int btrfs_find_root(u64 objectid, struct __btrfs_root *root,
-		    struct btrfs_root_item *root_item)
-{
-	struct __btrfs_path path;
-	struct btrfs_root_item my_root_item;
-
-	if (!btrfs_search_tree_key_type(&btrfs_info.tree_root, objectid,
-					BTRFS_ROOT_ITEM_KEY, &path))
-		return -1;
-
-	if (!root_item)
-		root_item = &my_root_item;
-	read_root_item(&path, root_item);
-
-	if (root) {
-		root->objectid = objectid;
-		root->bytenr = root_item->bytenr;
-		root->root_dirid = root_item->root_dirid;
-	}
-
-	__btrfs_free_path(&path);
-	return 0;
-}
-
-u64 btrfs_lookup_root_ref(u64 subvolid, struct btrfs_root_ref *refp, char *name)
-{
-	struct __btrfs_path path;
-	struct btrfs_key *key;
-	struct btrfs_root_ref *ref;
-	u64 res = -1ULL;
-
-	key = btrfs_search_tree_key_type(&btrfs_info.tree_root, subvolid,
-					       BTRFS_ROOT_BACKREF_KEY, &path);
-
-	if (!key)
-		return -1ULL;
-
-	ref = btrfs_path_item_ptr(&path, struct btrfs_root_ref);
-	btrfs_root_ref_to_cpu(ref);
-
-	if (refp)
-		*refp = *ref;
-
-	if (name) {
-		if (ref->name_len > BTRFS_NAME_LEN) {
-			printf("%s: volume name too long: %u\n", __func__,
-			       ref->name_len);
-			goto out;
-		}
-
-		memcpy(name, ref + 1, ref->name_len);
-	}
-
-	res = key->offset;
-out:
-	__btrfs_free_path(&path);
-	return res;
-}
-