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git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - fs/ext2/xip.h
4 * Copyright (C) 2005 IBM Corporation
5 * Author: Carsten Otte (cotte@de.ibm.com)
8 #ifdef CONFIG_EXT2_FS_XIP
9 extern void ext2_xip_verify_sb (struct super_block
*);
10 extern int ext2_clear_xip_target (struct inode
*, int);
12 static inline int ext2_use_xip (struct super_block
*sb
)
14 struct ext2_sb_info
*sbi
= EXT2_SB(sb
);
15 return (sbi
->s_mount_opt
& EXT2_MOUNT_XIP
);
17 struct page
* ext2_get_xip_page (struct address_space
*, sector_t
, int);
18 #define mapping_is_xip(map) unlikely(map->a_ops->get_xip_page)
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