Add generic bdev_size function

[fio.git] / os / os.h

diff --git a/os/os.h b/os/os.h
index 42cd63d020aedf28e91114ef171697e4f393b6e1..1afb4b227521e3846b087d401b7297201d45cbbb 100644 (file)
--- a/os/os.h
+++ b/os/os.h
@@ -24,6 +24,10 @@
 #include <scsi/sg.h>
 #endif
 
+#ifndef FIO_HAVE_STRSEP
+#include "../lib/strsep.h"
+#endif
+
 #ifndef FIO_HAVE_FADVISE
 #define fadvise(fd, off, len, advice)  (0)
 
@@ -35,8 +39,10 @@
 #endif /* FIO_HAVE_FADVISE */
 
 #ifndef FIO_HAVE_CPU_AFFINITY
-#define fio_setaffinity(td)            (0)
-#define fio_getaffinity(pid, mask)     (0)
+#define fio_setaffinity(pid, mask)     (0)
+#define fio_getaffinity(pid, mask)     do { } while (0)
+#define fio_cpu_clear(mask, cpu)       do { } while (0)
+#define fio_cpuset_exit(mask)          (-1)
 #endif
 
 #ifndef FIO_HAVE_IOPRIO
@@ -60,6 +66,14 @@
 #endif
 #endif
 
+#ifndef FIO_O_NOATIME
+#define FIO_O_NOATIME                  0
+#endif
+
+#ifndef OS_RAND_MAX
+#define OS_RAND_MAX                    RAND_MAX
+#endif
+
 #ifndef FIO_HAVE_RAWBIND
 #define fio_lookup_raw(dev, majdev, mindev)    1
 #endif
@@ -69,10 +83,40 @@ static inline int is_blktrace(const char *fname)
 {
        return 0;
 }
+struct thread_data;
 static inline int load_blktrace(struct thread_data *td, const char *fname)
 {
        return 1;
 }
 #endif
 
+#define FIO_DEF_CL_SIZE                128
+
+static inline int os_cache_line_size(void)
+{
+#ifdef FIO_HAVE_CL_SIZE
+       int ret = arch_cache_line_size();
+
+       if (ret <= 0)
+               return FIO_DEF_CL_SIZE;
+
+       return ret;
+#else
+       return FIO_DEF_CL_SIZE;
+#endif
+}
+
+#ifdef FIO_USE_GENERIC_BDEV_SIZE
+static inline int blockdev_size(int fd, unsigned long long *bytes)
+{
+       off_t end = lseek(fd, 0, SEEK_END);
+
+       if (end < 0)
+               return errno;
+
+       *bytes = end;
+       return 0;
+}
+#endif
+
 #endif