X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=os%2Fos-linux.h;h=a36552ba68ba93caf6ca58e5fc9761fc53c0b88d;hp=ac42264b1a7b6db77b9ef78d7d104382c522b656;hb=e97c14423a5688d7adfb342c16363c263cb741f9;hpb=a696fa2a9c2e21a1c88813235d6fc39d267f6155 diff --git a/os/os-linux.h b/os/os-linux.h index ac42264b..a36552ba 100644 --- a/os/os-linux.h +++ b/os/os-linux.h @@ -4,14 +4,18 @@ #include #include #include +#include #include #include #include +#include #include #include #include #include "indirect.h" +#include "binject.h" +#include "../file.h" #define FIO_HAVE_LIBAIO #define FIO_HAVE_POSIXAIO @@ -32,6 +36,24 @@ #define FIO_HAVE_PSHARED_MUTEX #define FIO_HAVE_CL_SIZE #define FIO_HAVE_CGROUPS +#define FIO_HAVE_FDATASYNC +#define FIO_HAVE_FS_STAT +#define FIO_HAVE_TRIM +#define FIO_HAVE_BINJECT +#define FIO_HAVE_CLOCK_MONOTONIC +#define FIO_HAVE_GETTID + +/* + * Can only enable this for newer glibcs, or the header and defines are + * missing + */ +#if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 6 +#define FIO_HAVE_LINUX_FALLOCATE +#endif + +#ifdef SYNC_FILE_RANGE_WAIT_BEFORE +#define FIO_HAVE_SYNC_FILE_RANGE +#endif #define OS_MAP_ANON MAP_ANONYMOUS @@ -88,6 +110,11 @@ static inline int ioprio_set(int which, int who, int ioprio) return syscall(__NR_ioprio_set, which, who, ioprio); } +static inline int gettid(void) +{ + return syscall(__NR_gettid); +} + /* * Just check for SPLICE_F_MOVE, if that isn't there, assume the others * aren't either. @@ -177,14 +204,18 @@ enum { #define BLKFLSBUF _IO(0x12,97) #endif -static inline int blockdev_invalidate_cache(int fd) +#ifndef BLKDISCARD +#define BLKDISCARD _IO(0x12,119) +#endif + +static inline int blockdev_invalidate_cache(struct fio_file *f) { - return ioctl(fd, BLKFLSBUF); + return ioctl(f->fd, BLKFLSBUF); } -static inline int blockdev_size(int fd, unsigned long long *bytes) +static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) { - if (!ioctl(fd, BLKGETSIZE64, bytes)) + if (!ioctl(f->fd, BLKGETSIZE64, bytes)) return 0; return errno; @@ -277,4 +308,31 @@ static inline int arch_cache_line_size(void) return atoi(size); } +static inline unsigned long long get_fs_size(const char *path) +{ + unsigned long long ret; + struct statfs s; + + if (statfs(path, &s) < 0) + return -1ULL; + + ret = s.f_bsize; + ret *= (unsigned long long) s.f_bfree; + return ret; +} + +static inline int os_trim(int fd, unsigned long long start, + unsigned long long len) +{ + uint64_t range[2]; + + range[0] = start; + range[1] = len; + + if (!ioctl(fd, BLKDISCARD, range)) + return 0; + + return errno; +} + #endif