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- /*
- * 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
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