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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/fs/bfs/bfs.h
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/*

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 *	fs/bfs/bfs.h

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 *	Copyright (C) 1999 Tigran Aivazian <[email protected]>

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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 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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