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26 lines
759 B
26 lines
759 B
/* |
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* linux/fs/ext2/xip.h |
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* |
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* Copyright (C) 2005 IBM Corporation |
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* Author: Carsten Otte (cotte@de.ibm.com) |
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*/ |
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#ifdef CONFIG_EXT2_FS_XIP |
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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) |
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{ |
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struct ext2_sb_info *sbi = EXT2_SB(sb); |
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return (sbi->s_mount_opt & EXT2_MOUNT_XIP); |
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} |
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int ext2_get_xip_mem(struct address_space *, pgoff_t, int, |
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void **, unsigned long *); |
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#define mapping_is_xip(map) unlikely(map->a_ops->get_xip_mem) |
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#else |
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#define mapping_is_xip(map) 0 |
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#define ext2_xip_verify_sb(sb) do { } while (0) |
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#define ext2_use_xip(sb) 0 |
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#define ext2_clear_xip_target(inode, chain) 0 |
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#define ext2_get_xip_mem NULL |
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#endif
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