Better checks for disk util init

[fio.git] / os / os-linux.h

diff --git a/os/os-linux.h b/os/os-linux.h
index 561b273db94e3dcd590e7e6dbfa24e39c497ba00..90349016ffe1004ae84904ec45922125f8e96b4a 100644 (file)
--- a/os/os-linux.h
+++ b/os/os-linux.h
@@ -171,13 +171,13 @@ 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 +186,19 @@ 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