| 1 | /* |
| 2 | * fs/bfs/bfs.h |
| 3 | * Copyright (C) 1999 Tigran Aivazian <tigran@veritas.com> |
| 4 | */ |
| 5 | #ifndef _FS_BFS_BFS_H |
| 6 | #define _FS_BFS_BFS_H |
| 7 | |
| 8 | #include <linux/bfs_fs.h> |
| 9 | |
| 10 | /* |
| 11 | * BFS file system in-core superblock info |
| 12 | */ |
| 13 | struct bfs_sb_info { |
| 14 | unsigned long si_blocks; |
| 15 | unsigned long si_freeb; |
| 16 | unsigned long si_freei; |
| 17 | unsigned long si_lf_eblk; |
| 18 | unsigned long si_lasti; |
| 19 | unsigned long *si_imap; |
| 20 | struct buffer_head *si_sbh; /* buffer header w/superblock */ |
| 21 | struct mutex bfs_lock; |
| 22 | }; |
| 23 | |
| 24 | /* |
| 25 | * BFS file system in-core inode info |
| 26 | */ |
| 27 | struct bfs_inode_info { |
| 28 | unsigned long i_dsk_ino; /* inode number from the disk, can be 0 */ |
| 29 | unsigned long i_sblock; |
| 30 | unsigned long i_eblock; |
| 31 | struct inode vfs_inode; |
| 32 | }; |
| 33 | |
| 34 | static inline struct bfs_sb_info *BFS_SB(struct super_block *sb) |
| 35 | { |
| 36 | return sb->s_fs_info; |
| 37 | } |
| 38 | |
| 39 | static inline struct bfs_inode_info *BFS_I(struct inode *inode) |
| 40 | { |
| 41 | return container_of(inode, struct bfs_inode_info, vfs_inode); |
| 42 | } |
| 43 | |
| 44 | |
| 45 | #define printf(format, args...) \ |
| 46 | printk(KERN_ERR "BFS-fs: %s(): " format, __func__, ## args) |
| 47 | |
| 48 | /* inode.c */ |
| 49 | extern struct inode *bfs_iget(struct super_block *sb, unsigned long ino); |
| 50 | |
| 51 | /* file.c */ |
| 52 | extern const struct inode_operations bfs_file_inops; |
| 53 | extern const struct file_operations bfs_file_operations; |
| 54 | extern const struct address_space_operations bfs_aops; |
| 55 | |
| 56 | /* dir.c */ |
| 57 | extern const struct inode_operations bfs_dir_inops; |
| 58 | extern const struct file_operations bfs_dir_operations; |
| 59 | |
| 60 | #endif /* _FS_BFS_BFS_H */ |