X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=os%2Fos-linux.h;h=33380461f19c0c8fe122b9577e324f22ebe66a23;hb=4e78e405a12b31291aa88fffc1da2cf43b782ef5;hp=90349016ffe1004ae84904ec45922125f8e96b4a;hpb=8cc7afa91ddc5a0980b9d2dbfdd66e1511a0d4b1;p=fio.git diff --git a/os/os-linux.h b/os/os-linux.h index 90349016..33380461 100644 --- a/os/os-linux.h +++ b/os/os-linux.h @@ -10,6 +10,8 @@ #include #include +#include "indirect.h" + #define FIO_HAVE_LIBAIO #define FIO_HAVE_POSIXAIO #define FIO_HAVE_FADVISE @@ -22,22 +24,51 @@ #define FIO_HAVE_ODIRECT #define FIO_HAVE_HUGETLB #define FIO_HAVE_RAWBIND +#define FIO_HAVE_BLKTRACE +#define FIO_HAVE_STRSEP +#define FIO_HAVE_FALLOCATE +#define FIO_HAVE_POSIXAIO_FSYNC + +#define OS_MAP_ANON MAP_ANONYMOUS -#define OS_MAP_ANON (MAP_ANONYMOUS) +#ifndef CLOCK_MONOTONIC +#define CLOCK_MONOTONIC 1 +#endif typedef cpu_set_t os_cpu_mask_t; + typedef struct drand48_data os_random_state_t; /* * we want fadvise64 really, but it's so tangled... later */ +#ifdef FIO_HAVE_FADVISE #define fadvise(fd, off, len, advice) \ posix_fadvise((fd), (off_t)(off), (len), (advice)) +#endif +/* + * If you are on an ancient glibc (2.3.2), then define GLIBC_2_3_2 if you want + * the affinity helpers to work. + */ +#ifndef GLIBC_2_3_2 #define fio_setaffinity(td) \ sched_setaffinity((td)->pid, sizeof((td)->o.cpumask), &(td)->o.cpumask) #define fio_getaffinity(pid, ptr) \ sched_getaffinity((pid), sizeof(cpu_set_t), (ptr)) +#else +#define fio_setaffinity(td) \ + sched_setaffinity((td)->pid, &(td)->o.cpumask) +#define fio_getaffinity(pid, ptr) \ + sched_getaffinity((pid), (ptr)) +#endif + +#define fio_cpu_clear(mask, cpu) CPU_CLR((cpu), (mask)) +#define fio_cpu_set(mask, cpu) CPU_SET((cpu), (mask)) +#define fio_cpuset_init(td) CPU_ZERO(&(td)->o.cpumask) +#define fio_cpuset_exit(td) do { } while (0) + +#define FIO_MAX_CPUS CPU_SETSIZE static inline int ioprio_set(int which, int who, int ioprio) { @@ -57,7 +88,7 @@ static inline int ioprio_set(int which, int who, int ioprio) #define SPLICE_F_GIFT (0x08) /* pages passed in are a gift */ static inline int splice(int fdin, loff_t *off_in, int fdout, loff_t *off_out, - size_t len, unsigned long flags) + size_t len, unsigned int flags) { return syscall(__NR_sys_splice, fdin, off_in, fdout, off_out, len, flags); } @@ -87,7 +118,7 @@ struct async_head_user; static inline struct syslet_uatom * async_exec(struct syslet_uatom *atom, struct async_head_user *ahu) { - return (void *) syscall(__NR_async_exec, atom, ahu); + return (struct syslet_uatom *) syscall(__NR_async_exec, atom, ahu); } static inline long @@ -109,12 +140,20 @@ static inline long umem_add(unsigned long *uptr, unsigned long inc) } #endif /* FIO_HAVE_SYSLET */ +enum { + IOPRIO_CLASS_NONE, + IOPRIO_CLASS_RT, + IOPRIO_CLASS_BE, + IOPRIO_CLASS_IDLE, +}; + enum { IOPRIO_WHO_PROCESS = 1, IOPRIO_WHO_PGRP, IOPRIO_WHO_USER, }; +#define IOPRIO_BITS 16 #define IOPRIO_CLASS_SHIFT 13 #ifndef BLKGETSIZE64 @@ -163,14 +202,6 @@ static inline long os_random_long(os_random_state_t *rs) return val; } -static inline double os_random_double(os_random_state_t *rs) -{ - double val; - - drand48_r(rs, &val); - return val; -} - static inline int fio_lookup_raw(dev_t dev, int *majdev, int *mindev) { struct raw_config_request rq; @@ -201,4 +232,10 @@ static inline int fio_lookup_raw(dev_t dev, int *majdev, int *mindev) return 0; } +#ifdef O_NOATIME +#define FIO_O_NOATIME O_NOATIME +#else +#define FIO_O_NOATIME 0 +#endif + #endif