| /* | |
| * linux/fs/ext2/xip.h | |
| * | |
| * Copyright (C) 2005 IBM Corporation | |
| * Author: Carsten Otte (cotte@de.ibm.com) | |
| */ | |
| #ifdef CONFIG_EXT2_FS_XIP | |
| extern void ext2_xip_verify_sb (struct super_block *); | |
| extern int ext2_clear_xip_target (struct inode *, sector_t); | |
| 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); | |
| } | |
| int ext2_get_xip_mem(struct address_space *, pgoff_t, int, | |
| void **, unsigned long *); | |
| #define mapping_is_xip(map) unlikely(map->a_ops->get_xip_mem) | |
| #else | |
| #define mapping_is_xip(map) 0 | |
| #define ext2_xip_verify_sb(sb) do { } while (0) | |
| #define ext2_use_xip(sb) 0 | |
| #define ext2_clear_xip_target(inode, chain) 0 | |
| #define ext2_get_xip_mem NULL | |
| #endif |