|  |  | 
|  | obj-$(CONFIG_BTRFS_FS) := btrfs.o | 
|  |  | 
|  | btrfs-y += super.o ctree.o extent-tree.o print-tree.o root-tree.o dir-item.o \ | 
|  | file-item.o inode-item.o inode-map.o disk-io.o \ | 
|  | transaction.o inode.o file.o tree-defrag.o \ | 
|  | extent_map.o sysfs.o struct-funcs.o xattr.o ordered-data.o \ | 
|  | extent_io.o volumes.o async-thread.o ioctl.o locking.o orphan.o \ | 
|  | export.o tree-log.o free-space-cache.o zlib.o lzo.o \ | 
|  | compression.o delayed-ref.o relocation.o delayed-inode.o scrub.o \ | 
|  | reada.o backref.o ulist.o | 
|  |  | 
|  | btrfs-$(CONFIG_BTRFS_FS_POSIX_ACL) += acl.o | 
|  | btrfs-$(CONFIG_BTRFS_FS_CHECK_INTEGRITY) += check-integrity.o |