1/*
2 *  linux/fs/ext2/xip.h
3 *
4 * Copyright (C) 2005 IBM Corporation
5 * Author: Carsten Otte (cotte@de.ibm.com)
6 */
7
8#ifdef CONFIG_EXT2_FS_XIP
9extern void ext2_xip_verify_sb (struct super_block *);
10extern int ext2_clear_xip_target (struct inode *, int);
11
12static inline int ext2_use_xip (struct super_block *sb)
13{
14	struct ext2_sb_info *sbi = EXT2_SB(sb);
15	return (sbi->s_mount_opt & EXT2_MOUNT_XIP);
16}
17struct page* ext2_get_xip_page (struct address_space *, sector_t, int);
18#define mapping_is_xip(map) unlikely(map->a_ops->get_xip_page)
19#else
20#define mapping_is_xip(map)			0
21#define ext2_xip_verify_sb(sb)			do { } while (0)
22#define ext2_use_xip(sb)			0
23#define ext2_clear_xip_target(inode, chain)	0
24#define ext2_get_xip_page			NULL
25#endif
26