8 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
10 #define UFS_MAX_GROUP_LOADED 8
11 #define UFS_CGNO_EMPTY ((unsigned)-1)
13 struct ufs_sb_private_info;
14 struct ufs_cg_private_info;
18 struct ufs_sb_private_info * s_uspi;
19 struct ufs_csum * s_csp;
22 struct buffer_head ** s_ucg;
23 struct ufs_cg_private_info * s_ucpi[UFS_MAX_GROUP_LOADED];
24 unsigned s_cgno[UFS_MAX_GROUP_LOADED];
25 unsigned short s_cg_loaded;
28 struct task_struct *mutex_owner;
29 struct super_block *sb;
30 int work_queued; /* non-zero if the delayed work is queued */
31 struct delayed_work sync_work; /* FS sync delayed work */
32 spinlock_t work_lock; /* protects sync_work and work_queued */
36 struct ufs_inode_info {
39 __u8 i_symlink[2 * 4 * 15];
50 struct mutex truncate_mutex;
51 __u32 i_dir_start_lookup;
52 struct inode vfs_inode;
56 #define UFS_MOUNT_ONERROR 0x0000000F
57 #define UFS_MOUNT_ONERROR_PANIC 0x00000001
58 #define UFS_MOUNT_ONERROR_LOCK 0x00000002
59 #define UFS_MOUNT_ONERROR_UMOUNT 0x00000004
60 #define UFS_MOUNT_ONERROR_REPAIR 0x00000008
62 #define UFS_MOUNT_UFSTYPE 0x0000FFF0
63 #define UFS_MOUNT_UFSTYPE_OLD 0x00000010
64 #define UFS_MOUNT_UFSTYPE_44BSD 0x00000020
65 #define UFS_MOUNT_UFSTYPE_SUN 0x00000040
66 #define UFS_MOUNT_UFSTYPE_NEXTSTEP 0x00000080
67 #define UFS_MOUNT_UFSTYPE_NEXTSTEP_CD 0x00000100
68 #define UFS_MOUNT_UFSTYPE_OPENSTEP 0x00000200
69 #define UFS_MOUNT_UFSTYPE_SUNx86 0x00000400
70 #define UFS_MOUNT_UFSTYPE_HP 0x00000800
71 #define UFS_MOUNT_UFSTYPE_UFS2 0x00001000
72 #define UFS_MOUNT_UFSTYPE_SUNOS 0x00002000
74 #define ufs_clear_opt(o,opt) o &= ~UFS_MOUNT_##opt
75 #define ufs_set_opt(o,opt) o |= UFS_MOUNT_##opt
76 #define ufs_test_opt(o,opt) ((o) & UFS_MOUNT_##opt)
81 #ifdef CONFIG_UFS_DEBUG
82 # define UFSD(f, a...) { \
83 pr_debug("UFSD (%s, %d): %s:", \
84 __FILE__, __LINE__, __func__); \
88 # define UFSD(f, a...) /**/
92 extern void ufs_free_fragments (struct inode *, u64, unsigned);
93 extern void ufs_free_blocks (struct inode *, u64, unsigned);
94 extern u64 ufs_new_fragments(struct inode *, void *, u64, u64,
95 unsigned, int *, struct page *);
98 extern struct ufs_cg_private_info * ufs_load_cylinder (struct super_block *, unsigned);
99 extern void ufs_put_cylinder (struct super_block *, unsigned);
102 extern const struct inode_operations ufs_dir_inode_operations;
103 extern int ufs_add_link (struct dentry *, struct inode *);
104 extern ino_t ufs_inode_by_name(struct inode *, const struct qstr *);
105 extern int ufs_make_empty(struct inode *, struct inode *);
106 extern struct ufs_dir_entry *ufs_find_entry(struct inode *, const struct qstr *, struct page **);
107 extern int ufs_delete_entry(struct inode *, struct ufs_dir_entry *, struct page *);
108 extern int ufs_empty_dir (struct inode *);
109 extern struct ufs_dir_entry *ufs_dotdot(struct inode *, struct page **);
110 extern void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de,
111 struct page *page, struct inode *inode, bool update_times);
114 extern const struct inode_operations ufs_file_inode_operations;
115 extern const struct file_operations ufs_file_operations;
116 extern const struct address_space_operations ufs_aops;
119 extern void ufs_free_inode (struct inode *inode);
120 extern struct inode * ufs_new_inode (struct inode *, umode_t);
123 extern struct inode *ufs_iget(struct super_block *, unsigned long);
124 extern int ufs_write_inode (struct inode *, struct writeback_control *);
125 extern int ufs_sync_inode (struct inode *);
126 extern void ufs_evict_inode (struct inode *);
127 extern int ufs_getfrag_block (struct inode *inode, sector_t fragment, struct buffer_head *bh_result, int create);
130 extern const struct file_operations ufs_dir_operations;
133 extern __printf(3, 4)
134 void ufs_warning(struct super_block *, const char *, const char *, ...);
135 extern __printf(3, 4)
136 void ufs_error(struct super_block *, const char *, const char *, ...);
137 extern __printf(3, 4)
138 void ufs_panic(struct super_block *, const char *, const char *, ...);
139 void ufs_mark_sb_dirty(struct super_block *sb);
142 extern const struct inode_operations ufs_fast_symlink_inode_operations;
143 extern const struct inode_operations ufs_symlink_inode_operations;
146 extern void ufs_truncate_blocks(struct inode *);
147 extern int ufs_setattr(struct dentry *dentry, struct iattr *attr);
149 static inline struct ufs_sb_info *UFS_SB(struct super_block *sb)
151 return sb->s_fs_info;
154 static inline struct ufs_inode_info *UFS_I(struct inode *inode)
156 return container_of(inode, struct ufs_inode_info, vfs_inode);
160 * Give cylinder group number for a file system block.
161 * Give cylinder group block number for a file system block.
163 /* #define ufs_dtog(d) ((d) / uspi->s_fpg) */
164 static inline u64 ufs_dtog(struct ufs_sb_private_info * uspi, u64 b)
166 do_div(b, uspi->s_fpg);
169 /* #define ufs_dtogd(d) ((d) % uspi->s_fpg) */
170 static inline u32 ufs_dtogd(struct ufs_sb_private_info * uspi, u64 b)
172 return do_div(b, uspi->s_fpg);
175 extern void lock_ufs(struct super_block *sb);
176 extern void unlock_ufs(struct super_block *sb);
178 #endif /* _UFS_UFS_H */