1 files changed, 1 insertions, 0 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 7930458c227..2dbf422a2b9 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -551,6 +551,7 @@ struct btrfs_root *open_ctree(struct super_block *sb)
 
         init_bit_radix(&fs_info->pinned_radix);
         init_bit_radix(&fs_info->pending_del_radix);
+        init_bit_radix(&fs_info->extent_map_radix);
         INIT_RADIX_TREE(&fs_info->fs_roots_radix, GFP_NOFS);
         INIT_RADIX_TREE(&fs_info->dev_radix, GFP_NOFS);
         INIT_RADIX_TREE(&fs_info->block_group_radix, GFP_KERNEL);