Commit | Line | Data |
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bcd6d4ec CH |
1 | #ifndef _UFS_UFS_H |
2 | #define _UFS_UFS_H 1 | |
3 | ||
de771bda FF |
4 | #ifdef pr_fmt |
5 | #undef pr_fmt | |
6 | #endif | |
7 | ||
8 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
9 | ||
bcd6d4ec CH |
10 | #define UFS_MAX_GROUP_LOADED 8 |
11 | #define UFS_CGNO_EMPTY ((unsigned)-1) | |
12 | ||
13 | struct ufs_sb_private_info; | |
14 | struct ufs_cg_private_info; | |
15 | struct ufs_csum; | |
16 | ||
17 | struct ufs_sb_info { | |
18 | struct ufs_sb_private_info * s_uspi; | |
19 | struct ufs_csum * s_csp; | |
20 | unsigned s_bytesex; | |
21 | unsigned s_flags; | |
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; | |
26 | unsigned s_mount_opt; | |
788257d6 AB |
27 | struct mutex mutex; |
28 | struct task_struct *mutex_owner; | |
9e9ad5f4 AB |
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 */ | |
bcd6d4ec CH |
33 | }; |
34 | ||
35 | struct ufs_inode_info { | |
36 | union { | |
37 | __fs32 i_data[15]; | |
f33219b7 | 38 | __u8 i_symlink[2 * 4 * 15]; |
bcd6d4ec CH |
39 | __fs64 u2_i_data[15]; |
40 | } i_u1; | |
41 | __u32 i_flags; | |
42 | __u32 i_shadow; | |
43 | __u32 i_unused1; | |
44 | __u32 i_unused2; | |
45 | __u32 i_oeftflag; | |
46 | __u16 i_osync; | |
47 | __u64 i_lastfrag; | |
48 | __u32 i_dir_start_lookup; | |
49 | struct inode vfs_inode; | |
50 | }; | |
51 | ||
52 | /* mount options */ | |
53 | #define UFS_MOUNT_ONERROR 0x0000000F | |
54 | #define UFS_MOUNT_ONERROR_PANIC 0x00000001 | |
55 | #define UFS_MOUNT_ONERROR_LOCK 0x00000002 | |
56 | #define UFS_MOUNT_ONERROR_UMOUNT 0x00000004 | |
57 | #define UFS_MOUNT_ONERROR_REPAIR 0x00000008 | |
58 | ||
59 | #define UFS_MOUNT_UFSTYPE 0x0000FFF0 | |
60 | #define UFS_MOUNT_UFSTYPE_OLD 0x00000010 | |
61 | #define UFS_MOUNT_UFSTYPE_44BSD 0x00000020 | |
62 | #define UFS_MOUNT_UFSTYPE_SUN 0x00000040 | |
63 | #define UFS_MOUNT_UFSTYPE_NEXTSTEP 0x00000080 | |
64 | #define UFS_MOUNT_UFSTYPE_NEXTSTEP_CD 0x00000100 | |
65 | #define UFS_MOUNT_UFSTYPE_OPENSTEP 0x00000200 | |
66 | #define UFS_MOUNT_UFSTYPE_SUNx86 0x00000400 | |
67 | #define UFS_MOUNT_UFSTYPE_HP 0x00000800 | |
68 | #define UFS_MOUNT_UFSTYPE_UFS2 0x00001000 | |
69 | #define UFS_MOUNT_UFSTYPE_SUNOS 0x00002000 | |
70 | ||
71 | #define ufs_clear_opt(o,opt) o &= ~UFS_MOUNT_##opt | |
72 | #define ufs_set_opt(o,opt) o |= UFS_MOUNT_##opt | |
73 | #define ufs_test_opt(o,opt) ((o) & UFS_MOUNT_##opt) | |
74 | ||
75 | /* | |
76 | * Debug code | |
77 | */ | |
78 | #ifdef CONFIG_UFS_DEBUG | |
79 | # define UFSD(f, a...) { \ | |
d4beaabd | 80 | pr_debug("UFSD (%s, %d): %s:", \ |
9746077a | 81 | __FILE__, __LINE__, __func__); \ |
d4beaabd | 82 | pr_debug(f, ## a); \ |
bcd6d4ec CH |
83 | } |
84 | #else | |
85 | # define UFSD(f, a...) /**/ | |
86 | #endif | |
87 | ||
88 | /* balloc.c */ | |
89 | extern void ufs_free_fragments (struct inode *, u64, unsigned); | |
90 | extern void ufs_free_blocks (struct inode *, u64, unsigned); | |
91 | extern u64 ufs_new_fragments(struct inode *, void *, u64, u64, | |
92 | unsigned, int *, struct page *); | |
93 | ||
94 | /* cylinder.c */ | |
95 | extern struct ufs_cg_private_info * ufs_load_cylinder (struct super_block *, unsigned); | |
96 | extern void ufs_put_cylinder (struct super_block *, unsigned); | |
97 | ||
98 | /* dir.c */ | |
99 | extern const struct inode_operations ufs_dir_inode_operations; | |
100 | extern int ufs_add_link (struct dentry *, struct inode *); | |
89031bc7 | 101 | extern ino_t ufs_inode_by_name(struct inode *, const struct qstr *); |
bcd6d4ec | 102 | extern int ufs_make_empty(struct inode *, struct inode *); |
89031bc7 | 103 | extern struct ufs_dir_entry *ufs_find_entry(struct inode *, const struct qstr *, struct page **); |
bcd6d4ec CH |
104 | extern int ufs_delete_entry(struct inode *, struct ufs_dir_entry *, struct page *); |
105 | extern int ufs_empty_dir (struct inode *); | |
106 | extern struct ufs_dir_entry *ufs_dotdot(struct inode *, struct page **); | |
107 | extern void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de, | |
108 | struct page *page, struct inode *inode); | |
109 | ||
110 | /* file.c */ | |
111 | extern const struct inode_operations ufs_file_inode_operations; | |
112 | extern const struct file_operations ufs_file_operations; | |
bcd6d4ec CH |
113 | extern const struct address_space_operations ufs_aops; |
114 | ||
115 | /* ialloc.c */ | |
116 | extern void ufs_free_inode (struct inode *inode); | |
6a9a06d9 | 117 | extern struct inode * ufs_new_inode (struct inode *, umode_t); |
bcd6d4ec CH |
118 | |
119 | /* inode.c */ | |
b55c460d | 120 | extern struct inode *ufs_iget(struct super_block *, unsigned long); |
a9185b41 | 121 | extern int ufs_write_inode (struct inode *, struct writeback_control *); |
bcd6d4ec | 122 | extern int ufs_sync_inode (struct inode *); |
58e8268c | 123 | extern void ufs_evict_inode (struct inode *); |
bcd6d4ec CH |
124 | extern int ufs_getfrag_block (struct inode *inode, sector_t fragment, struct buffer_head *bh_result, int create); |
125 | ||
126 | /* namei.c */ | |
127 | extern const struct file_operations ufs_dir_operations; | |
128 | ||
129 | /* super.c */ | |
b9075fa9 JP |
130 | extern __printf(3, 4) |
131 | void ufs_warning(struct super_block *, const char *, const char *, ...); | |
132 | extern __printf(3, 4) | |
133 | void ufs_error(struct super_block *, const char *, const char *, ...); | |
134 | extern __printf(3, 4) | |
135 | void ufs_panic(struct super_block *, const char *, const char *, ...); | |
9e9ad5f4 | 136 | void ufs_mark_sb_dirty(struct super_block *sb); |
bcd6d4ec CH |
137 | |
138 | /* symlink.c */ | |
139 | extern const struct inode_operations ufs_fast_symlink_inode_operations; | |
311b9549 | 140 | extern const struct inode_operations ufs_symlink_inode_operations; |
bcd6d4ec CH |
141 | |
142 | /* truncate.c */ | |
143 | extern int ufs_truncate (struct inode *, loff_t); | |
311b9549 | 144 | extern int ufs_setattr(struct dentry *dentry, struct iattr *attr); |
bcd6d4ec CH |
145 | |
146 | static inline struct ufs_sb_info *UFS_SB(struct super_block *sb) | |
147 | { | |
148 | return sb->s_fs_info; | |
149 | } | |
150 | ||
151 | static inline struct ufs_inode_info *UFS_I(struct inode *inode) | |
152 | { | |
153 | return container_of(inode, struct ufs_inode_info, vfs_inode); | |
154 | } | |
155 | ||
156 | /* | |
157 | * Give cylinder group number for a file system block. | |
158 | * Give cylinder group block number for a file system block. | |
159 | */ | |
160 | /* #define ufs_dtog(d) ((d) / uspi->s_fpg) */ | |
161 | static inline u64 ufs_dtog(struct ufs_sb_private_info * uspi, u64 b) | |
162 | { | |
163 | do_div(b, uspi->s_fpg); | |
164 | return b; | |
165 | } | |
166 | /* #define ufs_dtogd(d) ((d) % uspi->s_fpg) */ | |
167 | static inline u32 ufs_dtogd(struct ufs_sb_private_info * uspi, u64 b) | |
168 | { | |
169 | return do_div(b, uspi->s_fpg); | |
170 | } | |
171 | ||
788257d6 AB |
172 | extern void lock_ufs(struct super_block *sb); |
173 | extern void unlock_ufs(struct super_block *sb); | |
174 | ||
bcd6d4ec | 175 | #endif /* _UFS_UFS_H */ |