61 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			61 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 *	fs/bfs/bfs.h
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 *	Copyright (C) 1999 Tigran Aivazian <tigran@veritas.com>
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 */
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#ifndef _FS_BFS_BFS_H
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#define _FS_BFS_BFS_H
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#include <linux/bfs_fs.h>
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/*
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 * BFS file system in-core superblock info
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 */
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struct bfs_sb_info {
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	unsigned long si_blocks;
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	unsigned long si_freeb;
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	unsigned long si_freei;
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	unsigned long si_lf_eblk;
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	unsigned long si_lasti;
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	unsigned long *si_imap;
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	struct buffer_head *si_sbh;		/* buffer header w/superblock */
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	struct mutex bfs_lock;
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};
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/*
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 * BFS file system in-core inode info
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 */
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struct bfs_inode_info {
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	unsigned long i_dsk_ino; /* inode number from the disk, can be 0 */
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	unsigned long i_sblock;
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	unsigned long i_eblock;
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	struct inode vfs_inode;
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};
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static inline struct bfs_sb_info *BFS_SB(struct super_block *sb)
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{
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	return sb->s_fs_info;
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}
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static inline struct bfs_inode_info *BFS_I(struct inode *inode)
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{
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	return container_of(inode, struct bfs_inode_info, vfs_inode);
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}
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#define printf(format, args...) \
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	printk(KERN_ERR "BFS-fs: %s(): " format, __func__, ## args)
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/* inode.c */
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extern struct inode *bfs_iget(struct super_block *sb, unsigned long ino);
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/* file.c */
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extern const struct inode_operations bfs_file_inops;
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extern const struct file_operations bfs_file_operations;
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extern const struct address_space_operations bfs_aops;
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/* dir.c */
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extern const struct inode_operations bfs_dir_inops;
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extern const struct file_operations bfs_dir_operations;
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#endif /* _FS_BFS_BFS_H */
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