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fs/ext2/xip.h
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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 *); |
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extern int ext2_clear_xip_target (struct inode *, sector_t); |
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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); } |
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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) |
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#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 |
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#define ext2_get_xip_mem NULL |
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#endif |