diff options
Diffstat (limited to 'fs/btrfs/root-tree.c')
-rw-r--r-- | fs/btrfs/root-tree.c | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c index 59a94c1d9815..3bcfe5a7c330 100644 --- a/fs/btrfs/root-tree.c +++ b/fs/btrfs/root-tree.c @@ -22,53 +22,6 @@ #include "print-tree.h" /* - * search forward for a root, starting with objectid 'search_start' - * if a root key is found, the objectid we find is filled into 'found_objectid' - * and 0 is returned. < 0 is returned on error, 1 if there is nothing - * left in the tree. - */ -int btrfs_search_root(struct btrfs_root *root, u64 search_start, - u64 *found_objectid) -{ - struct btrfs_path *path; - struct btrfs_key search_key; - int ret; - - root = root->fs_info->tree_root; - search_key.objectid = search_start; - search_key.type = (u8)-1; - search_key.offset = (u64)-1; - - path = btrfs_alloc_path(); - BUG_ON(!path); -again: - ret = btrfs_search_slot(NULL, root, &search_key, path, 0, 0); - if (ret < 0) - goto out; - if (ret == 0) { - ret = 1; - goto out; - } - if (path->slots[0] >= btrfs_header_nritems(path->nodes[0])) { - ret = btrfs_next_leaf(root, path); - if (ret) - goto out; - } - btrfs_item_key_to_cpu(path->nodes[0], &search_key, path->slots[0]); - if (search_key.type != BTRFS_ROOT_ITEM_KEY) { - search_key.offset++; - btrfs_release_path(path); - goto again; - } - ret = 0; - *found_objectid = search_key.objectid; - -out: - btrfs_free_path(path); - return ret; -} - -/* * lookup the root with the highest offset for a given objectid. The key we do * find is copied into 'key'. If we find something return 0, otherwise 1, < 0 * on error. |