ext2: remove xip.c and xip.h

These files are now empty, so delete them

Signed-off-by: Matthew Wilcox <[e-mail]>
Reviewed-by: Mathieu Desnoyers <[e-mail]>
Cc: Andreas Dilger <[e-mail]>
Cc: Boaz Harrosh <[e-mail]>
Cc: Christoph Hellwig <[e-mail]>
Cc: Dave Chinner <[e-mail]>
Cc: Jan Kara <[e-mail]>
Cc: Jens Axboe <[e-mail]>
Cc: Kirill A. Shutemov <[e-mail]>
Cc: Randy Dunlap <[e-mail]>
Cc: Ross Zwisler <[e-mail]>
Cc: Theodore Ts'o <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

fs/ext2/Makefile

···
 ext2-$(CONFIG_EXT2_FS_XATTR)	 += xattr.o xattr_user.o xattr_trusted.o
 ext2-$(CONFIG_EXT2_FS_POSIX_ACL) += acl.o
 ext2-$(CONFIG_EXT2_FS_SECURITY)	 += xattr_security.o
-ext2-$(CONFIG_EXT2_FS_XIP)	 += xip.o

fs/ext2/inode.c

···
 #include <linux/aio.h>
 #include "ext2.h"
 #include "acl.h"
-#include "xip.h"
 #include "xattr.h"
 
 static int __ext2_write_inode(struct inode *inode, int do_sync);

fs/ext2/namei.c

···
 #include "ext2.h"
 #include "xattr.h"
 #include "acl.h"
-#include "xip.h"
 
 static inline int ext2_add_nondir(struct dentry *dentry, struct inode *inode)
 {

fs/ext2/super.c

···
 #include "ext2.h"
 #include "xattr.h"
 #include "acl.h"
-#include "xip.h"
 
 static void ext2_sync_super(struct super_block *sb,
 			    struct ext2_super_block *es, int wait);

fs/ext2/xip.c

···
-/*
- *  linux/fs/ext2/xip.c
- *
- * Copyright (C) 2005 IBM Corporation
- * Author: Carsten Otte ([e-mail])
- */
-
-#include <linux/mm.h>
-#include <linux/fs.h>
-#include <linux/genhd.h>
-#include <linux/buffer_head.h>
-#include <linux/blkdev.h>
-#include "ext2.h"
-#include "xip.h"
-

fs/ext2/xip.h

···
-/*
- *  linux/fs/ext2/xip.h
- *
- * Copyright (C) 2005 IBM Corporation
- * Author: Carsten Otte ([e-mail])
- */
-
-#ifdef CONFIG_EXT2_FS_XIP
-static inline int ext2_use_xip (struct super_block *sb)
-{
-	struct ext2_sb_info *sbi = EXT2_SB(sb);
-	return (sbi->s_mount_opt & EXT2_MOUNT_XIP);
-}
-#else
-#define ext2_use_xip(sb)			0
-#endif