ifneq ($(KERNELRELEASE),) # kbuild part of makefile obj-$(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 \ ref-cache.o export.o tree-log.o acl.o free-space-cache.o zlib.o \ compression.o else # Normal Makefile KERNELDIR := /lib/modules/`uname -r`/build all: $(MAKE) -C $(KERNELDIR) M=`pwd` CONFIG_BTRFS_FS=m modules modules_install: $(MAKE) -C $(KERNELDIR) M=`pwd` modules_install clean: $(MAKE) -C $(KERNELDIR) M=`pwd` clean endif