ufs: move non-layout parts of ufs_fs.h to fs/ufs/

Move prototypes and in-core structures to fs/ufs/ similar to what most
other filesystems already do.

I made little modifications: move also ufs debug macros and
mount options constants into fs/ufs/ufs.h, this stuff
also private for ufs.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/ufs/file.c b/fs/ufs/file.c
index 6705d74..a46c97b 100644
--- a/fs/ufs/file.c
+++ b/fs/ufs/file.c
@@ -27,6 +27,9 @@
 #include <linux/ufs_fs.h>
 #include <linux/buffer_head.h>	/* for sync_mapping_buffers() */
 
+#include "ufs.h"
+
+
 static int ufs_sync_file(struct file *file, struct dentry *dentry, int datasync)
 {
 	struct inode *inode = dentry->d_inode;