ceph: make CRUSH hash functions non-inline

These are way to big to be inline.  I missed crush/* when doing the inline
audit for akpm's review.

Signed-off-by: Sage Weil <sage@newdream.net>
diff --git a/fs/ceph/README b/fs/ceph/README
index 231a1df..660e000 100644
--- a/fs/ceph/README
+++ b/fs/ceph/README
@@ -15,3 +15,4 @@
 src/crush/mapper.c	    fs/ceph/crush/mapper.c
 src/crush/mapper.h	    fs/ceph/crush/mapper.h
 src/crush/hash.h	    fs/ceph/crush/hash.h
+src/crush/hash.c	    fs/ceph/crush/hash.c