writeback: split writeback_inodes_wb
[linux-2.6/next.git] / include / linux / types.h
blob23d237a075e21ce2635f8ce2b5a15dfd2fcde9a7
1 #ifndef _LINUX_TYPES_H
2 #define _LINUX_TYPES_H
4 #include <asm/types.h>
6 #ifndef __ASSEMBLY__
7 #ifdef __KERNEL__
9 #define DECLARE_BITMAP(name,bits) \
10 unsigned long name[BITS_TO_LONGS(bits)]
12 #endif
14 #include <linux/posix_types.h>
16 #ifdef __KERNEL__
18 typedef __u32 __kernel_dev_t;
20 typedef __kernel_fd_set fd_set;
21 typedef __kernel_dev_t dev_t;
22 typedef __kernel_ino_t ino_t;
23 typedef __kernel_mode_t mode_t;
24 typedef __kernel_nlink_t nlink_t;
25 typedef __kernel_off_t off_t;
26 typedef __kernel_pid_t pid_t;
27 typedef __kernel_daddr_t daddr_t;
28 typedef __kernel_key_t key_t;
29 typedef __kernel_suseconds_t suseconds_t;
30 typedef __kernel_timer_t timer_t;
31 typedef __kernel_clockid_t clockid_t;
32 typedef __kernel_mqd_t mqd_t;
34 typedef _Bool bool;
36 typedef __kernel_uid32_t uid_t;
37 typedef __kernel_gid32_t gid_t;
38 typedef __kernel_uid16_t uid16_t;
39 typedef __kernel_gid16_t gid16_t;
41 typedef unsigned long uintptr_t;
43 #ifdef CONFIG_UID16
44 /* This is defined by include/asm-{arch}/posix_types.h */
45 typedef __kernel_old_uid_t old_uid_t;
46 typedef __kernel_old_gid_t old_gid_t;
47 #endif /* CONFIG_UID16 */
49 #if defined(__GNUC__)
50 typedef __kernel_loff_t loff_t;
51 #endif
54 * The following typedefs are also protected by individual ifdefs for
55 * historical reasons:
57 #ifndef _SIZE_T
58 #define _SIZE_T
59 typedef __kernel_size_t size_t;
60 #endif
62 #ifndef _SSIZE_T
63 #define _SSIZE_T
64 typedef __kernel_ssize_t ssize_t;
65 #endif
67 #ifndef _PTRDIFF_T
68 #define _PTRDIFF_T
69 typedef __kernel_ptrdiff_t ptrdiff_t;
70 #endif
72 #ifndef _TIME_T
73 #define _TIME_T
74 typedef __kernel_time_t time_t;
75 #endif
77 #ifndef _CLOCK_T
78 #define _CLOCK_T
79 typedef __kernel_clock_t clock_t;
80 #endif
82 #ifndef _CADDR_T
83 #define _CADDR_T
84 typedef __kernel_caddr_t caddr_t;
85 #endif
87 /* bsd */
88 typedef unsigned char u_char;
89 typedef unsigned short u_short;
90 typedef unsigned int u_int;
91 typedef unsigned long u_long;
93 /* sysv */
94 typedef unsigned char unchar;
95 typedef unsigned short ushort;
96 typedef unsigned int uint;
97 typedef unsigned long ulong;
99 #ifndef __BIT_TYPES_DEFINED__
100 #define __BIT_TYPES_DEFINED__
102 typedef __u8 u_int8_t;
103 typedef __s8 int8_t;
104 typedef __u16 u_int16_t;
105 typedef __s16 int16_t;
106 typedef __u32 u_int32_t;
107 typedef __s32 int32_t;
109 #endif /* !(__BIT_TYPES_DEFINED__) */
111 typedef __u8 uint8_t;
112 typedef __u16 uint16_t;
113 typedef __u32 uint32_t;
115 #if defined(__GNUC__)
116 typedef __u64 uint64_t;
117 typedef __u64 u_int64_t;
118 typedef __s64 int64_t;
119 #endif
121 /* this is a special 64bit data type that is 8-byte aligned */
122 #define aligned_u64 __u64 __attribute__((aligned(8)))
123 #define aligned_be64 __be64 __attribute__((aligned(8)))
124 #define aligned_le64 __le64 __attribute__((aligned(8)))
127 * The type used for indexing onto a disc or disc partition.
129 * Linux always considers sectors to be 512 bytes long independently
130 * of the devices real block size.
132 * blkcnt_t is the type of the inode's block count.
134 #ifdef CONFIG_LBDAF
135 typedef u64 sector_t;
136 typedef u64 blkcnt_t;
137 #else
138 typedef unsigned long sector_t;
139 typedef unsigned long blkcnt_t;
140 #endif
143 * The type of an index into the pagecache. Use a #define so asm/types.h
144 * can override it.
146 #ifndef pgoff_t
147 #define pgoff_t unsigned long
148 #endif
150 #endif /* __KERNEL__ */
153 * Below are truly Linux-specific types that should never collide with
154 * any application/library that wants linux/types.h.
157 #ifdef __CHECKER__
158 #define __bitwise__ __attribute__((bitwise))
159 #else
160 #define __bitwise__
161 #endif
162 #ifdef __CHECK_ENDIAN__
163 #define __bitwise __bitwise__
164 #else
165 #define __bitwise
166 #endif
168 typedef __u16 __bitwise __le16;
169 typedef __u16 __bitwise __be16;
170 typedef __u32 __bitwise __le32;
171 typedef __u32 __bitwise __be32;
172 typedef __u64 __bitwise __le64;
173 typedef __u64 __bitwise __be64;
175 typedef __u16 __bitwise __sum16;
176 typedef __u32 __bitwise __wsum;
178 #ifdef __KERNEL__
179 typedef unsigned __bitwise__ gfp_t;
180 typedef unsigned __bitwise__ fmode_t;
182 #ifdef CONFIG_PHYS_ADDR_T_64BIT
183 typedef u64 phys_addr_t;
184 #else
185 typedef u32 phys_addr_t;
186 #endif
188 typedef phys_addr_t resource_size_t;
190 typedef struct {
191 int counter;
192 } atomic_t;
194 #ifdef CONFIG_64BIT
195 typedef struct {
196 long counter;
197 } atomic64_t;
198 #endif
200 struct ustat {
201 __kernel_daddr_t f_tfree;
202 __kernel_ino_t f_tinode;
203 char f_fname[6];
204 char f_fpack[6];
207 #endif /* __KERNEL__ */
208 #endif /* __ASSEMBLY__ */
209 #endif /* _LINUX_TYPES_H */