blk-mq: add timer in blk_mq_start_request
[linux-2.6/btrfs-unstable.git] / include / linux / stddef.h
blobf4aec0e75c3a268cebeecd2dcdc43fc68126a27a
1 #ifndef _LINUX_STDDEF_H
2 #define _LINUX_STDDEF_H
4 #include <uapi/linux/stddef.h>
7 #undef NULL
8 #define NULL ((void *)0)
10 enum {
11 false = 0,
12 true = 1
15 #undef offsetof
16 #ifdef __compiler_offsetof
17 #define offsetof(TYPE,MEMBER) __compiler_offsetof(TYPE,MEMBER)
18 #else
19 #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
20 #endif
21 #endif