Btrfs: dirindex optimizations

[linux-2.6-block.git] / fs / btrfs / disk-io.c

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index de9ee3aa0aad53d0437b0dae4df193429e20faf1..5230554380d1452d5cbcb21fdf5a08f7ec85379e 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -311,6 +311,7 @@ struct btrfs_root *open_ctree(struct super_block *sb)
        fs_info->extent_root = extent_root;
        fs_info->inode_root = inode_root;
        fs_info->last_inode_alloc = 0;
+       fs_info->highest_inode = 0;
        fs_info->sb = sb;
        fs_info->btree_inode = new_inode(sb);
        fs_info->btree_inode->i_ino = 1;
@@ -360,12 +361,15 @@ printk("failed2\n");
 
        ret = find_and_setup_root(sb->s_blocksize, tree_root, fs_info,
                                  BTRFS_FS_TREE_OBJECTID, root);
-       mutex_unlock(&fs_info->fs_mutex);
        BUG_ON(ret);
        root->commit_root = root->node;
        get_bh(root->node);
        root->ref_cows = 1;
        root->fs_info->generation = root->root_key.offset + 1;
+       ret = btrfs_find_highest_inode(root, &root->fs_info->last_inode_alloc);
+       if (ret == 0)
+               fs_info->highest_inode = fs_info->last_inode_alloc;
+       mutex_unlock(&fs_info->fs_mutex);
        return root;
 }