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 mutex bfs_lock; 21 }; 22 23 /* 24 * BFS file system in-core inode info 25 */ 26 struct bfs_inode_info { 27 unsigned long i_dsk_ino; /* inode number from the disk, can be 0 */ 28 unsigned long i_sblock; 29 unsigned long i_eblock; 30 struct inode vfs_inode; 31 }; 32 BFS_SB(struct super_block * sb)33static inline struct bfs_sb_info *BFS_SB(struct super_block *sb) 34 { 35 return sb->s_fs_info; 36 } 37 BFS_I(struct inode * inode)38static inline struct bfs_inode_info *BFS_I(struct inode *inode) 39 { 40 return container_of(inode, struct bfs_inode_info, vfs_inode); 41 } 42 43 44 #define printf(format, args...) \ 45 printk(KERN_ERR "BFS-fs: %s(): " format, __func__, ## args) 46 47 /* inode.c */ 48 extern struct inode *bfs_iget(struct super_block *sb, unsigned long ino); 49 50 /* file.c */ 51 extern const struct inode_operations bfs_file_inops; 52 extern const struct file_operations bfs_file_operations; 53 extern const struct address_space_operations bfs_aops; 54 55 /* dir.c */ 56 extern const struct inode_operations bfs_dir_inops; 57 extern const struct file_operations bfs_dir_operations; 58 59 #endif /* _FS_BFS_BFS_H */ 60