os: introduce ioprio_value() helper

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

diff --git a/os/os-linux.h b/os/os-linux.h
index 16ed525881144cd190eb6457f5b313c6cf5d9188..12886037dd40ddf5dc3dafbd99be943253e4b78d 100644 (file)
--- a/os/os-linux.h
+++ b/os/os-linux.h
@@ -118,16 +118,21 @@ enum {
 #define IOPRIO_MIN_PRIO_CLASS  0
 #define IOPRIO_MAX_PRIO_CLASS  3
 
 #define IOPRIO_MIN_PRIO_CLASS  0
 #define IOPRIO_MAX_PRIO_CLASS  3
 

-static inline int ioprio_set(int which, int who, int ioprio_class, int ioprio)
+static inline int ioprio_value(int ioprio_class, int ioprio)

 {
        /*
         * If no class is set, assume BE
         */
 {
        /*
         * If no class is set, assume BE
         */

-       if (!ioprio_class)
-               ioprio_class = IOPRIO_CLASS_BE;
+        if (!ioprio_class)
+                ioprio_class = IOPRIO_CLASS_BE;
+
+       return (ioprio_class << IOPRIO_CLASS_SHIFT) | ioprio;
+}

 
 

-       ioprio |= ioprio_class << IOPRIO_CLASS_SHIFT;
-       return syscall(__NR_ioprio_set, which, who, ioprio);
+static inline int ioprio_set(int which, int who, int ioprio_class, int ioprio)
+{
+       return syscall(__NR_ioprio_set, which, who,
+                      ioprio_value(ioprio_class, ioprio));

 }
 
 #ifndef CONFIG_HAVE_GETTID
 }
 
 #ifndef CONFIG_HAVE_GETTID