diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 5a3f6e0d9688..8dfce1c40b5f 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -3810,6 +3810,7 @@ const struct file_operations btrfs_file_operations = {
 	.mmap		= btrfs_file_mmap,
 	.open		= btrfs_file_open,
 	.release	= btrfs_release_file,
+	.get_unmapped_area = thp_get_unmapped_area,
 	.fsync		= btrfs_sync_file,
 	.fallocate	= btrfs_fallocate,
 	.unlocked_ioctl	= btrfs_ioctl,