Btrfs: Metadata ENOSPC handling for tree log

[net-next-2.6.git] / fs / btrfs / disk-io.c

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 82955b73a962937ef4f14b50bdcad4d379c64567..a8772b5a9cb55737287622e29bce31c9d59b92ef 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -972,42 +972,6 @@ static int find_and_setup_root(struct btrfs_root *tree_root,
        return 0;
 }
 
-int btrfs_free_log_root_tree(struct btrfs_trans_handle *trans,
-                            struct btrfs_fs_info *fs_info)
-{
-       struct extent_buffer *eb;
-       struct btrfs_root *log_root_tree = fs_info->log_root_tree;
-       u64 start = 0;
-       u64 end = 0;
-       int ret;
-
-       if (!log_root_tree)
-               return 0;
-
-       while (1) {
-               ret = find_first_extent_bit(&log_root_tree->dirty_log_pages,
-                               0, &start, &end, EXTENT_DIRTY | EXTENT_NEW);
-               if (ret)
-                       break;
-
-               clear_extent_bits(&log_root_tree->dirty_log_pages, start, end,
-                                 EXTENT_DIRTY | EXTENT_NEW, GFP_NOFS);
-       }
-       eb = fs_info->log_root_tree->node;
-
-       WARN_ON(btrfs_header_level(eb) != 0);
-       WARN_ON(btrfs_header_nritems(eb) != 0);
-
-       ret = btrfs_free_reserved_extent(fs_info->tree_root,
-                               eb->start, eb->len);
-       BUG_ON(ret);
-
-       free_extent_buffer(eb);
-       kfree(fs_info->log_root_tree);
-       fs_info->log_root_tree = NULL;
-       return 0;
-}
-
 static struct btrfs_root *alloc_log_tree(struct btrfs_trans_handle *trans,
                                         struct btrfs_fs_info *fs_info)
 {