[CIFS] clean up some hard to read ifdefs

Christoph had noticed too many ifdefs in the CIFS code making it
hard to read.  This patch removes about a quarter of them from
the C files in cifs by improving a few key ifdefs in the .h files.

Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index ec26c6a..6020add 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -837,9 +837,7 @@
 		cFYI(1, ("unknown inode type %d", type));
 	}
 
-#ifdef CONFIG_CIFS_DEBUG2
-	cFYI(1, ("object type: %d", type));
-#endif
+	cFYI(DBG2, ("object type: %d", type));
 	tmp_inode->i_uid = le64_to_cpu(pData->Uid);
 	tmp_inode->i_gid = le64_to_cpu(pData->Gid);
 	tmp_inode->i_nlink = le64_to_cpu(pData->Nlinks);