struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_root *tree_root = fs_info->tree_root;
struct btrfs_root *new_root = NULL;
- struct btrfs_path *path;
+ struct btrfs_path path;
struct btrfs_inode_item *inode_item;
struct extent_buffer *leaf;
struct btrfs_key key;
if (len == 0 || len > BTRFS_NAME_LEN)
return NULL;
- path = btrfs_alloc_path();
- if (!path)
- return NULL;
-
+ btrfs_init_path(&path);
key.objectid = dirid;
key.type = BTRFS_DIR_INDEX_KEY;
key.offset = (u64)-1;
- ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);
+ ret = btrfs_search_slot(NULL, root, &key, &path, 0, 0);
if (ret <= 0) {
error("search for DIR_INDEX dirid %llu failed: %d",
(unsigned long long)dirid, ret);
goto fail;
}
- if (path->slots[0] > 0) {
- path->slots[0]--;
- btrfs_item_key_to_cpu(path->nodes[0], &key, path->slots[0]);
+ if (path.slots[0] > 0) {
+ path.slots[0]--;
+ btrfs_item_key_to_cpu(path.nodes[0], &key, path.slots[0]);
if (key.objectid == dirid && key.type == BTRFS_DIR_INDEX_KEY)
index = key.offset + 1;
}
- btrfs_release_path(path);
+ btrfs_release_path(&path);
trans = btrfs_start_transaction(root, 1);
if (!trans) {
key.offset = 0;
key.type = BTRFS_INODE_ITEM_KEY;
- ret = btrfs_lookup_inode(trans, root, path, &key, 1);
+ ret = btrfs_lookup_inode(trans, root, &path, &key, 1);
if (ret) {
error("search for INODE_ITEM %llu failed: %d",
(unsigned long long)dirid, ret);
goto fail;
}
- leaf = path->nodes[0];
- inode_item = btrfs_item_ptr(leaf, path->slots[0],
+ leaf = path.nodes[0];
+ inode_item = btrfs_item_ptr(leaf, path.slots[0],
struct btrfs_inode_item);
key.objectid = root_objectid;
btrfs_set_inode_size(leaf, inode_item, len * 2 +
btrfs_inode_size(leaf, inode_item));
btrfs_mark_buffer_dirty(leaf);
- btrfs_release_path(path);
+ btrfs_release_path(&path);
/* add the backref first */
ret = btrfs_add_root_ref(trans, tree_root, root_objectid,
new_root = NULL;
}
fail:
- btrfs_free_path(path);
+ btrfs_init_path(&path);
return new_root;
}