ceph: Kconfig, Makefile

Kconfig options and Makefile.

Signed-off-by: Sage Weil <sage@newdream.net>
diff --git a/fs/Makefile b/fs/Makefile
index af6d047..5ef73a0 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -124,3 +124,4 @@
 obj-$(CONFIG_BTRFS_FS)		+= btrfs/
 obj-$(CONFIG_GFS2_FS)           += gfs2/
 obj-$(CONFIG_EXOFS_FS)          += exofs/
+obj-$(CONFIG_CEPH_FS)		+= ceph/