4 #define UFS_MAX_GROUP_LOADED 8
5 #define UFS_CGNO_EMPTY ((unsigned)-1)
7 struct ufs_sb_private_info;
8 struct ufs_cg_private_info;
12 struct ufs_sb_private_info * s_uspi;
13 struct ufs_csum * s_csp;
16 struct buffer_head ** s_ucg;
17 struct ufs_cg_private_info * s_ucpi[UFS_MAX_GROUP_LOADED];
18 unsigned s_cgno[UFS_MAX_GROUP_LOADED];
19 unsigned short s_cg_loaded;
23 struct ufs_inode_info {
36 __u32 i_dir_start_lookup;
37 struct inode vfs_inode;
41 #define UFS_MOUNT_ONERROR 0x0000000F
42 #define UFS_MOUNT_ONERROR_PANIC 0x00000001
43 #define UFS_MOUNT_ONERROR_LOCK 0x00000002
44 #define UFS_MOUNT_ONERROR_UMOUNT 0x00000004
45 #define UFS_MOUNT_ONERROR_REPAIR 0x00000008
47 #define UFS_MOUNT_UFSTYPE 0x0000FFF0
48 #define UFS_MOUNT_UFSTYPE_OLD 0x00000010
49 #define UFS_MOUNT_UFSTYPE_44BSD 0x00000020
50 #define UFS_MOUNT_UFSTYPE_SUN 0x00000040
51 #define UFS_MOUNT_UFSTYPE_NEXTSTEP 0x00000080
52 #define UFS_MOUNT_UFSTYPE_NEXTSTEP_CD 0x00000100
53 #define UFS_MOUNT_UFSTYPE_OPENSTEP 0x00000200
54 #define UFS_MOUNT_UFSTYPE_SUNx86 0x00000400
55 #define UFS_MOUNT_UFSTYPE_HP 0x00000800
56 #define UFS_MOUNT_UFSTYPE_UFS2 0x00001000
57 #define UFS_MOUNT_UFSTYPE_SUNOS 0x00002000
59 #define ufs_clear_opt(o,opt) o &= ~UFS_MOUNT_##opt
60 #define ufs_set_opt(o,opt) o |= UFS_MOUNT_##opt
61 #define ufs_test_opt(o,opt) ((o) & UFS_MOUNT_##opt)
66 #ifdef CONFIG_UFS_DEBUG
67 # define UFSD(f, a...) { \
68 printk ("UFSD (%s, %d): %s:", \
69 __FILE__, __LINE__, __func__); \
73 # define UFSD(f, a...) /**/
77 extern void ufs_free_fragments (struct inode *, u64, unsigned);
78 extern void ufs_free_blocks (struct inode *, u64, unsigned);
79 extern u64 ufs_new_fragments(struct inode *, void *, u64, u64,
80 unsigned, int *, struct page *);
83 extern struct ufs_cg_private_info * ufs_load_cylinder (struct super_block *, unsigned);
84 extern void ufs_put_cylinder (struct super_block *, unsigned);
87 extern const struct inode_operations ufs_dir_inode_operations;
88 extern int ufs_add_link (struct dentry *, struct inode *);
89 extern ino_t ufs_inode_by_name(struct inode *, struct dentry *);
90 extern int ufs_make_empty(struct inode *, struct inode *);
91 extern struct ufs_dir_entry *ufs_find_entry(struct inode *, struct dentry *, struct page **);
92 extern int ufs_delete_entry(struct inode *, struct ufs_dir_entry *, struct page *);
93 extern int ufs_empty_dir (struct inode *);
94 extern struct ufs_dir_entry *ufs_dotdot(struct inode *, struct page **);
95 extern void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de,
96 struct page *page, struct inode *inode);
99 extern const struct inode_operations ufs_file_inode_operations;
100 extern const struct file_operations ufs_file_operations;
102 extern const struct address_space_operations ufs_aops;
105 extern void ufs_free_inode (struct inode *inode);
106 extern struct inode * ufs_new_inode (struct inode *, int);
109 extern struct inode *ufs_iget(struct super_block *, unsigned long);
110 extern int ufs_write_inode (struct inode *, int);
111 extern int ufs_sync_inode (struct inode *);
112 extern void ufs_delete_inode (struct inode *);
113 extern struct buffer_head * ufs_bread (struct inode *, unsigned, int, int *);
114 extern int ufs_getfrag_block (struct inode *inode, sector_t fragment, struct buffer_head *bh_result, int create);
117 extern const struct file_operations ufs_dir_operations;
120 extern void ufs_warning (struct super_block *, const char *, const char *, ...) __attribute__ ((format (printf, 3, 4)));
121 extern void ufs_error (struct super_block *, const char *, const char *, ...) __attribute__ ((format (printf, 3, 4)));
122 extern void ufs_panic (struct super_block *, const char *, const char *, ...) __attribute__ ((format (printf, 3, 4)));
125 extern const struct inode_operations ufs_fast_symlink_inode_operations;
128 extern int ufs_truncate (struct inode *, loff_t);
130 static inline struct ufs_sb_info *UFS_SB(struct super_block *sb)
132 return sb->s_fs_info;
135 static inline struct ufs_inode_info *UFS_I(struct inode *inode)
137 return container_of(inode, struct ufs_inode_info, vfs_inode);
141 * Give cylinder group number for a file system block.
142 * Give cylinder group block number for a file system block.
144 /* #define ufs_dtog(d) ((d) / uspi->s_fpg) */
145 static inline u64 ufs_dtog(struct ufs_sb_private_info * uspi, u64 b)
147 do_div(b, uspi->s_fpg);
150 /* #define ufs_dtogd(d) ((d) % uspi->s_fpg) */
151 static inline u32 ufs_dtogd(struct ufs_sb_private_info * uspi, u64 b)
153 return do_div(b, uspi->s_fpg);
156 #endif /* _UFS_UFS_H */