1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * fs/bfs/bfs.h 4 * Copyright (C) 1999 Tigran Aivazian <tigran@veritas.com> 5 */ 6 #ifndef _FS_BFS_BFS_H 7 #define _FS_BFS_BFS_H 8 9 #include <linux/bfs_fs.h> 10 11 /* 12 * BFS file system in-core superblock info 13 */ 14 struct bfs_sb_info { 15 unsigned long si_blocks; 16 unsigned long si_freeb; 17 unsigned long si_freei; 18 unsigned long si_lf_eblk; 19 unsigned long si_lasti; 20 unsigned long *si_imap; 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 extern void bfs_dump_imap(const char *, struct super_block *); 51 52 /* file.c */ 53 extern const struct inode_operations bfs_file_inops; 54 extern const struct file_operations bfs_file_operations; 55 extern const struct address_space_operations bfs_aops; 56 57 /* dir.c */ 58 extern const struct inode_operations bfs_dir_inops; 59 extern const struct file_operations bfs_dir_operations; 60 61 #endif /* _FS_BFS_BFS_H */ 62