diff options
Diffstat (limited to 'include/linux/types.h')
| -rw-r--r-- | include/linux/types.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/types.h b/include/linux/types.h index 1c509ce8f7f6..6dfdb8e8e4c3 100644 --- a/include/linux/types.h +++ b/include/linux/types.h @@ -92,6 +92,7 @@ typedef unsigned char unchar; typedef unsigned short ushort; typedef unsigned int uint; typedef unsigned long ulong; +typedef unsigned long long ullong; #ifndef __BIT_TYPES_DEFINED__ #define __BIT_TYPES_DEFINED__ @@ -135,6 +136,10 @@ typedef s64 ktime_t; typedef u64 sector_t; typedef u64 blkcnt_t; +/* generic data direction definitions */ +#define READ 0 +#define WRITE 1 + /* * The type of an index into the pagecache. */ @@ -248,5 +253,17 @@ typedef void (*swap_func_t)(void *a, void *b, int size); typedef int (*cmp_r_func_t)(const void *a, const void *b, const void *priv); typedef int (*cmp_func_t)(const void *a, const void *b); +/* + * rcuwait provides a way of blocking and waking up a single + * task in an rcu-safe manner. + * + * The only time @task is non-nil is when a user is blocked (or + * checking if it needs to) on a condition, and reset as soon as we + * know that the condition has succeeded and are awoken. + */ +struct rcuwait { + struct task_struct __rcu *task; +}; + #endif /* __ASSEMBLY__ */ #endif /* _LINUX_TYPES_H */ |