u64 avail_data_alloc_bits;
        u64 avail_metadata_alloc_bits;
        u64 avail_system_alloc_bits;
-       u64 data_alloc_profile;
-       u64 metadata_alloc_profile;
-       u64 system_alloc_profile;
 
        unsigned data_chunk_allocations;
        unsigned metadata_ratio;
 
 
        fs_info->generation = generation;
        fs_info->last_trans_committed = generation;
-       fs_info->data_alloc_profile = (u64)-1;
-       fs_info->metadata_alloc_profile = (u64)-1;
-       fs_info->system_alloc_profile = fs_info->metadata_alloc_profile;
 
        ret = btrfs_init_space_info(fs_info);
        if (ret) {
 
 static u64 get_alloc_profile(struct btrfs_root *root, u64 flags)
 {
        if (flags & BTRFS_BLOCK_GROUP_DATA)
-               flags |= root->fs_info->avail_data_alloc_bits &
-                        root->fs_info->data_alloc_profile;
+               flags |= root->fs_info->avail_data_alloc_bits;
        else if (flags & BTRFS_BLOCK_GROUP_SYSTEM)
-               flags |= root->fs_info->avail_system_alloc_bits &
-                        root->fs_info->system_alloc_profile;
+               flags |= root->fs_info->avail_system_alloc_bits;
        else if (flags & BTRFS_BLOCK_GROUP_METADATA)
-               flags |= root->fs_info->avail_metadata_alloc_bits &
-                        root->fs_info->metadata_alloc_profile;
+               flags |= root->fs_info->avail_metadata_alloc_bits;
+
        return btrfs_reduce_alloc_profile(root, flags);
 }
 
 
                return ret;
 
        alloc_profile = BTRFS_BLOCK_GROUP_METADATA |
-                       (fs_info->metadata_alloc_profile &
-                        fs_info->avail_metadata_alloc_bits);
+                               fs_info->avail_metadata_alloc_bits;
        alloc_profile = btrfs_reduce_alloc_profile(root, alloc_profile);
 
        ret = __btrfs_alloc_chunk(trans, extent_root, &map, &chunk_size,
        sys_chunk_offset = chunk_offset + chunk_size;
 
        alloc_profile = BTRFS_BLOCK_GROUP_SYSTEM |
-                       (fs_info->system_alloc_profile &
-                        fs_info->avail_system_alloc_bits);
+                               fs_info->avail_system_alloc_bits;
        alloc_profile = btrfs_reduce_alloc_profile(root, alloc_profile);
 
        ret = __btrfs_alloc_chunk(trans, extent_root, &sys_map,