X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=os%2Fos-linux.h;h=f4b6a22361bfa1b5d6f04ece4d6f53c882755f50;hp=561b273db94e3dcd590e7e6dbfa24e39c497ba00;hb=495ee9b632c5629e79a46d1074cacf4eda965e13;hpb=317b95d07d4921d2594a1be6e014c9c2d062fe75 diff --git a/os/os-linux.h b/os/os-linux.h index 561b273d..f4b6a223 100644 --- a/os/os-linux.h +++ b/os/os-linux.h @@ -22,6 +22,7 @@ #define FIO_HAVE_ODIRECT #define FIO_HAVE_HUGETLB #define FIO_HAVE_RAWBIND +#define FIO_HAVE_BLKTRACE #define OS_MAP_ANON (MAP_ANONYMOUS) @@ -34,10 +35,21 @@ typedef struct drand48_data os_random_state_t; #define fadvise(fd, off, len, advice) \ posix_fadvise((fd), (off_t)(off), (len), (advice)) +/* + * 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 static inline int ioprio_set(int which, int who, int ioprio) { @@ -57,7 +69,7 @@ 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); } @@ -109,12 +121,20 @@ 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 @@ -171,13 +191,13 @@ static inline double os_random_double(os_random_state_t *rs) return val; } -static inline void fio_lookup_raw(dev_t dev, int *majdev, int *mindev) +static inline int fio_lookup_raw(dev_t dev, int *majdev, int *mindev) { struct raw_config_request rq; int fd; if (major(dev) != RAW_MAJOR) - return; + return 1; /* * we should be able to find /dev/rawctl or /dev/raw/rawctl @@ -186,18 +206,19 @@ static inline void fio_lookup_raw(dev_t dev, int *majdev, int *mindev) if (fd < 0) { fd = open("/dev/raw/rawctl", O_RDONLY); if (fd < 0) - return; + return 1; } rq.raw_minor = minor(dev); if (ioctl(fd, RAW_GETBIND, &rq) < 0) { close(fd); - return; + return 1; } close(fd); *majdev = rq.block_major; *mindev = rq.block_minor; + return 0; } #endif