diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index bda1fdbba666a..bca97a6bb246e 100644
--- a/fs/btrfs/btrfs_inode.h
+++ b/fs/btrfs/btrfs_inode.h
@@ -8,6 +8,7 @@
 
 #include <linux/hash.h>
 #include <linux/refcount.h>
+#include <linux/fscrypt.h>
 #include "extent_map.h"
 #include "extent_io.h"
 #include "ordered-data.h"
diff --git a/fs/btrfs/dir-item.h b/fs/btrfs/dir-item.h
index 5db2ea0dfd766..e40a226373d7e 100644
--- a/fs/btrfs/dir-item.h
+++ b/fs/btrfs/dir-item.h
@@ -5,6 +5,8 @@
 
 #include <linux/crc32c.h>
 
+struct fscrypt_str;
+
 int btrfs_check_dir_item_collision(struct btrfs_root *root, u64 dir,
 			  const struct fscrypt_str *name);
 int btrfs_insert_dir_item(struct btrfs_trans_handle *trans,
diff --git a/fs/btrfs/inode-item.h b/fs/btrfs/inode-item.h
index f50cf6cc160e6..4337bb26f419b 100644
--- a/fs/btrfs/inode-item.h
+++ b/fs/btrfs/inode-item.h
@@ -13,6 +13,7 @@ struct btrfs_key;
 struct btrfs_inode_extref;
 struct btrfs_inode;
 struct extent_buffer;
+struct fscrypt_str;
 
 /*
  * Return this if we need to call truncate_block for the last bit of the
diff --git a/fs/btrfs/root-tree.h b/fs/btrfs/root-tree.h
index cbbaca32126e6..eb15768b9170d 100644
--- a/fs/btrfs/root-tree.h
+++ b/fs/btrfs/root-tree.h
@@ -3,6 +3,8 @@
 #ifndef BTRFS_ROOT_TREE_H
 #define BTRFS_ROOT_TREE_H
 
+struct fscrypt_str;
+
 int btrfs_subvolume_reserve_metadata(struct btrfs_root *root,
 				     struct btrfs_block_rsv *rsv,
 				     int nitems, bool use_global_rsv);